Zellweger Lumidor MicroMAX+ Operating instructions

MULTI GAS DETECTION
USER AND MAINTENANCE MANUAL

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MULTI GAS DETECTION
Please visit our website at www.zelana.com for other products that may be
applicable to your needs.
DISCLAIMER:
Notwithstanding any stated, written or implied warranty that may be associated with the sale,
purchase, or use of its products, Zellweger Analytics, will not be responsible for any damage or
injury resulting to any person or property that may be construed as resulting from a malfunction
of any of our products if said product has not been operated or maintained in accordance with
our instructions as detailed in instruction sheets or printed manuals, or if the product has been
tampered with, or serviced by, any other than our factory or other authorized service agent.
Copyright Lumidor, April 2004.
WARNING
DO NOT PROCEED BEFORE READING
To ensure proper functioning and use of this product, do not use this instrument until you read
and completely understand this operating manual. It contains operating and maintenance
procedures to ensure proper instrument function. For your safety, you are required to calibrate
this instrument periodically. Please refer to the calibration section of this manual.
Substitution of components may impair intrinsic safety.
Use only MPRO-BPR NiMH rechargeable battery pack, or MPRO-BPA alkaline battery holder
with four each of the following alkaline cells only: Duracell Procell-2400, Duracell MN-2400,
and Eveready E-92 or EN-92. Observe proper polarity when installing alkaline batteries.
CAUTION
Do not change or charge batteries in a hazardous location.
The LEL (Lower Explosive Level) range of this monitor is factory calibrated to methane If
monitoring a different combustible gas, calibrate the combustible gas range of the
monitor to the appropriate gas.
This instrument has not been tested in atmospheres exceeding 21% oxygen.
Calibration is required when sensors are changed or added to the instrument.
WARNING
Use only the approved accessories indicated in this manual.
Do not connect the instrument to a PC in a potentially hazardous environment.
Lifetime Warranty
This instrument is warranted, to the original end-user purchaser, against defects in materials and workmanship for
the expected lifetime of the product, excluding the battery and pump, which carry a two-year, limited warranty, and
sensors limited warranty as indicated below. During this period, Zellweger Analytics will repair or replace defective
parts on an exchange basis, F.O.B. the service center at Lincolnshire, IL USA. This warranty does not cover
disposable batteries or damage caused by accident, abuse, abnormal operating conditions or extreme poisoning
of the sensor.
Defective goods must be returned by the Buyer at the Buyer’s own expense to Zellweger Analytics premises
accompanied by a detailed report stating the nature of the defect. Returned goods must detail the Service Event
Number (SE#) clearly on the package and the Buyer shall obtain an SE# by contacting Zellweger Analytics in
advance.
If no such report is included then Zellweger Analytics reserves the right to charge an investigative fee (prices
available upon request) before any repair or replacement is performed.
Zellweger Analytics shall not be liable for any loss or damage whatsoever or howsoever occasioned which may
be a direct or indirect result of the use or operation of the Contract Goods by the Buyer or any Party.
This warranty covers detector and parts sold to the Buyer only by authorized distributors, dealers and representatives
as appointed by Zellweger Analytics. A warranty claim will only be accepted if a proof of purchase is submitted and
all conditions obtained within this Warranty are met. When in the opinion of Zellweger Analytics, a warranty claim is
valid; Zellweger Analytics will repair or replace the defective product free of charge and send it or any replacement
back.
The decision to repair or replace parts shall be determined by Zellweger Analytics.
Sensor Warranties
1) The oxygen sensor is guaranteed to operate satisfactorily for two years from the date of sale (i.e. the
date of shipment) and will be replaced at no charge within that period only if it will not provide a correct
reading after calibration by authorized service personnel. Physical or chemical damage, resulting from
exposure to improper elements, is not covered.
2) The combustible sensor is guaranteed to operate satisfactorily for two years from date of sale (i.e. from
date of shipment). If it will not provide a correct reading after calibration by authorized service
personnel, it will be replaced at no charge within that period. This guarantee is void if it has been
contaminated by some unusual substance, including but not limited to, water and/or other liquids, oily
compounds, corrosives, silicones, lead vapors, extremely high concentrations of combustible gases, and
various particulates which may inhibit gas flow to the sensor element.
3) The toxic sensors are guaranteed to operate satisfactorily for two years (18 months for CL2, CLO2 and
HCN sensors, 12 months for the NH3 sensor) from the date of sale (i.e. the date of shipment). They will
be replaced at no charge within that period only if they will not provide a correct reading after
calibration by authorized service personnel, and only if the sensor membranes exhibit no physical
or chemical damage resulting from exposure to improper substances.
Conditions and Exclusions
To maintain this warranty, purchaser must perform maintenance and calibration as prescribed in the instrument
operation manual, including prompt replacement or repair of defective parts and such other necessary calibration,
maintenance and repair as may be required, according to the expected lifetime of the instrument (5 years), in the
reasonable judgment of Zellweger Analytics. Normal wear and tear, and parts damaged by abuse, misuse,
negligence or accidents are specifically excluded from the warranty.
Purchaser acknowledges that, notwithstanding any contrary term or provision in the purchaser’s purchase order or
otherwise, the only warranty extended by Zellweger Analytics is the express warranty contained herein. Purchaser
further acknowledges that there are no other warranties expressed or implied, including without limitation, the
warranty of merchantability or fitness for a particular purpose; that there are no warranties which extend beyond the
description of the face hereof; that no oral warranties, representations, or guarantees of any kind have been made
by Zellweger Analytics, its distributors or the agents of either of them, that in any way alter the terms of this
warranty; that Zellweger Analytics and its distributors shall in no event be liable for any consequential or incidental
damages, including but not limited to injury to the person or property of the purchaser or others, and from other
losses or expenses incurred by the purchaser arising from the use, operation, storage or maintenance of the product
covered by the warranty; that Zellweger Analytics liability under this warranty is restricted to repair or replacement of
defective parts at Zellweger Analytics sole option; and that Zellweger Analytics neither assumes nor authorizes any
other person to assume for it any other warranty. The warranty shall be void if serial numbers affixed to the products
are removed, obliterated or defaced.
MAN-MPLUS
REV: A.0
Contact Zellweger Analytics
For all information on ordering, spares and other technical issues please contact the Zenter Customer Center:
400 Sawgrass Corporate Pkwy.
Suite 100
Sunrise, FL 33325
Tel: [phone]
Toll free: [phone]
Fax: [phone]
Email: [email protected]

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MULTI GAS DETECTION
TABLE OF CONTENTS
SUBJECT SECTION PAGE
1. Preparation for Use 7
1.1 Unpacking 7
1.2 Charging 7
2. General Description 8
3. Features 8
4. Operating Instructions 11
4.1 Turn-on 12
4.2 Standard Mode Sequence 12
4.3 Testing Sensors and Alarms 13
4.4 Continuous Monitoring 14
4.5 Remote Sampling (Pretesting) 15
4.6 Alarms 15
4.7 Clearing Memory 16
4.8 Turn-off 16
5. Calibration 17
5.1 Calibration Frequency 17
5.2 Calibration Procedure
(when all calibration gases are in a single canister) 18
5.3 Calibration Procedure
(when not all calibration gases are in a single canister) 19
5.4 Zeroing 20
6. Programming 21
6.1 Programming Options 21
6.2 Setting Date Format 22
6.3 Setting Date/Time and Daylight Savings 23
6.4 Auto-zeroing 24
TABLE OF CONTENTS
SUBJECT SECTION PAGE
6.5 Selecting Pump Mode/Diffusion Mode 24
6.6 Selecting Immediate Alarm Mode/TWA Alarm Mode 24
6.7 Restoring Factory Defaults 25
6.7 Calibration in Supervisory Mode 25
7. Data Logging 26
7.1 System Requirements 26
7.2 General Information 26
7.3 Program Installation 26
7.4 Uninstall Procedure 27
7.5 Starting the Program 27
7.6 Downloading Information from the MicroMAX + 28
7.7 Displaying and Printing Data 29
7.7.1 Main Screen 29
7.7.2 Graph Screen 31
7.7.3 Current Calibration Records 32
7.7.4 Calibration History 33
7.7.5 Instrument Parameters 34
7.8 Editing Location 37
7.9 Editing Note 37
7.10 Uploading Information to the MicroMAX + 37
7.11 Importing Files 38
7.12 Archiving Data 38
7.13 Recovering Data 39
7.14 Getting Help 39
7.14.1 Using MaxPlus Log Help 39
7.14.2 Zellweger Analytics on the Web 39
7.14.3 Customer Support 39
7.14.4 MaxPlus Log Version and Copyright 39

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TABLE OF CONTENTS
SUBJECT SECTION PAGE
8. Maintenance 40
8.1 Battery Installation 40
8.2 Alkaline Battery Pack Installation 40
8.3 NiMH Battery Pack Installation 41
8.4 NiMH Battery Pack – General Information 41
8.5 Sensor Replacement 41
8.6 Removing and Adding a Sensor 42
8.7 Cleaning 42
8.8 Pump Inlet Filter Replacement 42
8.9 Sampling Hose Maintenance 42
8.10 Storage 43
8.11 Sensor and Battery Disposal 43
9. Troubleshooting 44
9.1 Sensor Not Recognized (“XXX” Displayed) 44
9.2 “LEL FAIL” Message 44
9.3 Low Flow Alarm When Sampling Hose Attached 44
9.4 “Calibration Fail” Message 45
9.5 Instrument Will Not Turn On 45
9.6 Instrument is in Diffusion Mode but Pump
Comes On When Calibrating 45
Appendix A Specifications 46
Appendix B Turn-on Sequence 59
Appendix C Mode Sequence, Standard Mode 61
Appendix D Mode Sequence, User Set-up Mode 62
Appendix E Alarm Modes 66
Appendix F Charging Screens 68
Appendix G Calibration Kits 69
Appendix H Optional Accessories 70
Appendix I Replacement Parts 70
Appendix J Calibrating with Multiple Canisters 72
Appendix K Calibration Gases 73
I. PREPARATION FOR USE
1.1 UNPACKING
Check for these items:
•Packaging (retain for possible future use)
•Instrument with internal rechargeable battery pack
•Calibration certificate
•Standard accessories:
–AC battery charger
–Alkaline battery holder
–Dust filter
–10-foot sampling hose with filter and water trap
–Rubber boot with belt clip and neck strap
–Instruction manual
1.2 CHARGING
CAUTION
Do not change or charge batteries in a hazardous location.
Do not try to turn on or otherwise operate this instrument until it is fully charged.
Use only the MPRO-1 AC charger, the MPRO-2 220 volt AC charger, or the MPRO-6
vehicular charger. Use of any other charger may cause permanent instrument damage and
will void any warranties. The charge period is dependent on the condition of the batteries,
but should not exceed about 4 hours for a completely depleted battery pack. Partially
depleted packs will be charged in a much shorter period of time.
To commence charging with the charger supplied with AC power, connect the charger plug
to the instrument port (See Figure 1) and instrument display should read “CHARGING
BATTERY”. When charging is completed, “CHARGE COMPLETE” is displayed.
The instrument is now fully charged and ready for use.
If charging is attempted without the rechargeable battery,
or with alkaline batteries, “CHECK BATTERY” is displayed.
MULTI GAS DETECTION
Figure 1 Charging the MicroMAX +

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2. GENERAL DESCRIPTION
The MicroMAX + is a programmable instrument that can monitor one, two, three, four,
or with Combo-Tox sensor, up to five gases. It combines proven sensor performance
and electronics in a small, lightweight, and easy to use monitor. It consists of the
monitor, NiMH rechargeable battery pack, battery charger, alkaline battery holder,
rubber boot with neck strap and belt clip, dust filter, 10-foot sampling hose with filter
and water trap, calibration certificate and instruction manual.
Prior to shipment, the monitor was configured with default alarms and other settings,
tested and calibrated. After charging, it is ready for use.
MULTI GAS DETECTION
4. USER SELECTABLE POWER SOURCE
User has an option of powering instrument either with the supplied NiMH
rechargeable battery pack or with four “AAA” alkaline cells (use only the cells that
are approved for use), mounted in the supplied battery holder.
5. USER FRIENDLY INTERFACE
User friendly interface is intuitive for ease of use and simplicity of operation.
6. *PROGRAMMABLE GAS ALARMS
High and low alarm levels, are all user programmable.
7. IMMEDIATE OR TWA ALARM MODE
There are two immediate alarms available in immediate alarm mode. In TWA
alarm mode, three alarms are available, including TWA,STEL, and instantaneous
alarms.
8. FULLY AUTOMATIC CALIBRATION
Fast, easy, accurate calibration that requires no user adjustments or tools.
9. * CONFIDENCE BEEP
User selectable confidence beep provides a visible flash and audible beep about
every 20 seconds to confirm instrument operation.
10. BATTERY GAUGE
This consists of B (for battery) and a maximum of 6 bars, as illustrated. Six bars
represent full charge, while fewer bars indicate various stages of charge. When
all bars are depleted, the instrument will run for more than an hour, after which
time a low battery alarm is indicated by two beeps every 15 seconds. Low battery
alarm will continue for at least half an hour, after which instrument will beep
continuously and shut down. If alkaline batteries power instrument, battery
condition is indicated on the display, not by bars, but by battery voltage.
A fresh alkaline pack will read about 5.8 volts, and low battery warning
commence anywhere from 4.0 to 4.2 volts, model dependent, while shut-off
occurs between 3.68 and 3.95 volts, model dependent.
11. PUMP OR DIFFUSION MODE OF OPERATION
User may choose between pump and diffusion mode of operation. If pump is
selected, ‘P’ is displayed in the lower left corner of display and all the benefits
of internal pump operation are available. In diffusion mode, ‘D’ is displayed.
If pump mode is selected and pump fails, instrument automatically switches to
diffusion mode for continuous operation and protection.
12. REAL TIME CLOCK
User adjustable real time clock provides continuous time display. If daylight
savings time is selected, the time will be automatically updated.
13. * USER SELECTABLE CALIBRATION GAS CONCENTRATION
(with Datalogging Option)
This feature allows the user to select the desired calibration gas concentration,
within specified limits, for all sensors except oxygen.
14. MULTIPLE GAS ALARM INDICATORS
Audible and visual alarms alert user of unsafe gas levels.
.
3. FEATURES
1. LIQUID CRYSTAL DISPLAY
High contrast 4 lines by 16 character alphanumeric display that indicates gas
concentration of up to four gases simultaneously.
2. DISPLAY BACKLIGHTING
Automatic fiber-optic backlight provides display readability in dim or dark
environments.
3. AUTOMATIC TOXIC SENSOR RECOGNITION
Microprocessor automatically recognizes toxic sensors when plugged in. Monitor
displays corresponding gas, sets gain, corrects alarm levels and initializes
temperature compensation.
Port
Inlet
Large Alarm LED Bar Battery Compartment
ON/OFF
Switch
MODE
Switch
B

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10
15. LOW FLOW ALARM
In pump mode, a steady audible alarm is accompanied by a visual alarm and
the display indicates “LOW FLOW”. If alarm persists, instrument will indicate
“PUMP FAIL” and switch to diffusion mode of operation.
16. RFI RESISTANT DESIGN
High resistance to RFI (radio frequency interference) minimizes false alarms.
17. CHARGE STATUS RECOGNITION
The instrument automatically shuts off if charger is connected while monitor is
on. This prevents the charger from being used as a power source, which is not
intrinsically safe. Soon after charger is connected, display indicates “CHARGING
BATTERY”.
18. CALIBRATION RECORD (with Datalogging Option)
The date the instrument is last calibrated and the date that the instrument
is due for the next calibration can be displayed on the start-up under “LAST
CALIBRATED” and “CALIBRATION DUE”.
19. PEAK, STEL AND TWA
The MODE button enables display of peak reading (highest toxic or combustible
and lowest oxygen levels), STEL (15-minute accumulated short-term exposure
level), and TWA (8-hour time weighted average) since instrument was last turned
on. The STEL and TWA will be indicated only if “ALARM TYPE” is set to “TWA ON”.
20. LOW BATTERY WARNING
Low battery warning is indicated by dual beep every 15 seconds, 30 minutes
prior to shutdown. With alkaline batteries, low battery warning occurs between
4.0 and 4.2 volts.
21. DATA LOGGING
There are 2400 data points for storage of up to 200 hours of data.
A data logging kit is available to purchase from Zellweger Analytics.
22. APPROVALS
Intrinsic Safety:
•MicroMAX + (Standard MicroMax Plus)
UL Classified ‘Class I, Divisions 1 & 2, Groups A, B, C & D, Class II,
Groups E, F & G’
•EMC Standards: (Third Party Certified)
EN 50270:1999
EN 55011:1998
MULTI GAS DETECTION
3. OPERATING INSTRUCTIONS
MICROMAX PLUS
VER 5.0
ON
TESTING
PLEASE WAIT
ZEROING
PLEASE WAIT
OX LEL CO H2S
19.5 10 25 10
LOW ALARM
OX LEL CO H2S
23.5 20 35 20
HIGH ALARM
OX LEL CO H2S
20.9 0 0 0
P11:52
READY
Figure 3 Default Turn-on Sequence
B

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4. OPERATING INSTRUCTIONS
4.1 TURN ON
After charging the instrument, or installing fresh alkaline batteries, turn instrument on in
clean air, by depressing the ON/OFF button until a confirming beep is heard. Release
the ON/OFF button and instrument will display the firmware version number and “ON”
before cycling through its turn-on sequence (See Figure 3 Default Turn-on Sequence).
Then the instrument goes through “TESTING” and “ZEROING” cycles, displays low alarm
levels and high alarm levels, indicates “READY” and goes into normal operating mode.
In normal operating mode, gas types and levels occupy the top two lines, the third line is
blank and available for messaging, while on the fourth line is the letter “P” or “D”, for
pump or diffusion mode of operation respectively, the current time in 24-hour format and
the battery gauge. If alkaline batteries power instrument, battery condition is indicated by
display of battery voltage. With alkaline batteries, voltage should be about 5.8 volts with
fresh batteries, with low battery warning occurring at between 4.0 and 4.2 volts,
depending on sensor configuration.
4.2 STANDARD MODE SEQUENCE
4. OPERATING INSTRUCTIONS
Each standard mode option is available by depressing the MODE button sequentially.
PEAK READING. The highest toxic and combustible gas levels and the lowest oxygen
levels. Depressing the ON/OFF button while in this mode clears peak values.
USER SETUP. User setup mode allows for calibration (See Section 5 Calibration) and
clearing memory (See Section 4.7 Clearing Memory). To enter user setup mode, keep
depressing the MODE button until line 3 of display indicates "USER SETUP". Press the
ON/OFF button to enter user setup mode, to bypass each setting depress the MODE
button. To change any setting, depress the ON/OFF button. For example, to enter
calibration mode, depress the ON/OFF button when "CALIBRATE?" is displayed (See
Section 5 Calibration).
4.3 TESTING SENSORS AND ALARM
It is recommended that proper alarm function be verified prior to use by applying calibration
or alarm check gas. Alarm check gas (Test-1A) should be used only for instruments that
contain one or more of the 4 standard sensors (O2, LEL, CO or H2S). For other
configurations, use calibration gas with instrument in normal operating mode. After testing,
remember to clear the peak values, or if “ALARM TYPE” is set to “TWA ON”, clear memory.
Test low flow alarm by placing finger over inlet when in pump mode. If instrument does not
go into low flow alarm when inlet is blocked, instrument should be operated in diffusion
mode after entering the “USER SETUP” mode and changing the pump status configuration
to “PUMP OFF”. Instrument should be serviced as soon as possible to fix the problem.
Instructions for using alarm check gas (Part number Test-1A)
1) Turn monitor on in fresh air and allow it to go into normal operating mode.
2) Break shipping tab off canister.
3) Attach blue balloon on to black disk on alarm check gas hose. (See Figure 5)
4) Insert red end of hose into hole in canister nozzle.
5) Pinch hose (or place finger over the end of the hose) and pulse trigger so that gas fills
the balloon to its natural shape. Do not over-inflate balloon.
6) Insert other end of hose into air intake.
7) All channels should be in alarm for a few seconds while gas passes over sensors.
Check display to confirm proper operation of visual alarms for each gas. Confirm
proper operation of audible alarms.
MULTI GAS DETECTION
OX LEL CO H2S
20.1 0 16 9
PEAK READING
LEL CO H2S
USER SETUP
NO
OX LEL CO H2S
20.9 0 0 0
P08:49
Figure 4 Default Standard Mode Sequence
B

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4. OPERATING INSTRUCTIONS
8) Remove hose from monitor and allow alarm check gas to be purged from monitor
with fresh air.
9) Clear Peaks or, if “ALARM TYPE” is set to “TWA ON”, clear memory
(Please see Section 4.7 Clearing Memory).
4.4 CONTINUOUS MONITORING
Zellweger Analytics recommends that the supplied dust filter (Part number 16PFC) be
attached at all times in pump mode if the instrument is being used in a dusty environment.
Keeping dust out increases instrument life and lowers maintenance costs.
MULTI GAS DETECTION
Figure 5 Alarm Check Gas
4. OPERATING INSTRUCTIONS
4.5 REMOTE SAMPLING (PRETESTING)
Remote areas and confined spaces may be sampled in pump mode prior to entry by
connecting the supplied 10-foot or longer sampling hose to the inlet fitting. The sampling
hose is usually used for pretesting only. Continuous monitoring with the sampling hose
attached reduces the number of hours of run time available.
The following procedure is recommended:
1) Turn instrument on and allow to enter normal operating mode.
2) Be sure you are in pump mode. (“P” indicated in line 4 of display).
3) Test alarm function with gas as indicated in Section 4.3 Testing Sensors and Alarms..
4) Test low flow alarm as indicated in Section 4.3 Testing Sensors and Alarms.
5) Connect sampling hose to instrument. Place hose in area to be sampled.
6) Wait two minutes for full response.
7) Take readings.
8) Retrieve hose and disconnect from instrument.
Hose lengths up to 100 feet may be used for pretesting. Add one second per foot to the
two-minute wait for full response.
4.6 ALARMS
In the event of a gas alarm, evacuate the area immediately. Investigate the cause of the
alarm only when you are safely out of the potentially hazardous area. Accessing the “Peak”
mode will display the gas and level that generated the alarm.
1) A “warning” low gas alarm indicates a gas concentration above the low alarm set
point and is indicated by 3 beeps from the horn, flashing LED, flashing gas range of
the sensor in alarm, and display of the word “WARNING.”
2) A “danger” high gas alarm is indicative of a gas concentration above the high alarm set
point and is indicated by 3 beeps from the horn, flashing LED, flashing gas range of the
sensor in alarm, and display of the word “DANGER.”.
3) Low flow or pump fail alarm is indicated by a continuous audible alarm, flashing LED,
and the words “LOW FLOW” or “PUMP FAIL” displayed.
4) Low battery alarm is indicated by 2 short beeps from the horn every 15 to 20
seconds, together with the words “LOW BATTERY’ on the display. It first occurs
approximately 30 minutes prior to battery depleted alarm and shutdown.
5) Battery depleted alarm is indicated by 5 audible beeps, display of “BATTERY DEPLETED”
and shutdown.
CAUTION
Gas/Bump test should be performed in a well-ventilated area.

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4. OPERATING INSTRUCTIONS
4.7 CLEARING MEMORY
Memory is automatically cleared after each calibration.
To clear memory manually:
1) Depress the MODE button repeatedly until “USER SETUP” is displayed.
2) Depress the ON/OFF button to enter the user setup mode.
3) Depress the MODE button 4 times until “CLEAR MEMORY” is displayed.
4) Depress the ON/OFF button once to simultaneously clear memory and return to
normal operating mode.
4.8 TURN OFF
To turn the MicroMAX + off, depress and hold the ON/OFF button, and instrument
will beep 4 times. After the fourth beep, release the button, and instrument will indicate
“POWER OFF” and automatically turn itself off.
If ON/OFF button is released during countdown, instrument will resume normal
operation.
5. CALIBRATION
5.1 CALIBRATION FREQUENCY
It is important to verify accuracy on a regular basis to guard against any unexpected loss
of sensitivity due to mechanical damage, immersion, aging, or exposure of the sensors to
poison (such as high concentration of combustible gas, tetra-ethel-lead, sulfides or silicone
containing lubricants) present in the atmosphere being monitored.
The safest possible course of action is to expose the sensors to a known concentration test
gas before each day’s use. This “bump” test takes only a few seconds to accomplish. It is
not necessary to make a calibration adjustment unless readings are off by more than 15%
of the applied gas concentration. If this procedure is followed, the calibration interval can
be up to 90 days.
If your calibration procedures do not permit daily checking of the sensors, Zellweger
Analytics recommends the following procedure to establish a safe and prudent check
schedule. Initially, over a period of a few days, check the response daily to be sure there is
nothing in your atmosphere that is poisoning the sensors. If the instrument displays correct
concentration levels after 2 weeks on this schedule, the calibration interval may be
extended to two weeks. If the instrument does not require calibration, after 2 months on
this schedule, the calibration interval may be extended to 30 days.
MULTI GAS DETECTION
WARNING
This does not preclude testing with gas on a regular basis.
Always observe your employer’s calibration and testing schedules.

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MULTI GAS DETECTION
5. CALIBRATION
5.2 CALIBRATION PROCEDURE (WHEN ALL CALIBRATION GASES
ARE IN A SINGLE CANISTER)
1) Use MODE button to scroll through mode functions to “USER SETUP”.
2) Depress ON/OFF button to enter “USER SETUP”.
The display will indicate "CALIBRATE?"
3) Depress ON/OFF button to enter the calibration mode.
4) Instrument will count down to 0.
5) Apply calibration gas when “APPLY GAS” is displayed. (See Figure 6).
6) Instrument will display “CALIBRATING” and count down to 0.
7) When “CAL COMPLETE” is displayed, observe that all sensors calibrated
are displayed below “CAL COMPLETE”. Any sensor not displayed is
not calibrated. Remove gas and turn off gas flow.
8) Instrument will go into a “PURGING” countdown to 0.
9) After purging, instrument automatically clears memory.
10) This calibration process is now complete.
5. CALIBRATION
5.3 CALIBRATION PROCEDURE (WHEN NOT ALL CALIBRATION
GASES ARE IN A SINGLE CANISTER)
1) Use MODE button to scroll through mode functions to “USER SETUP”.
2) Depress ON/OFF button to enter “USER SETUP”.
The display will indicate "CALIBRATE?"
3) Depress ON/OFF button to enter the calibration mode.
4) Instrument will count down to 0.
5) Apply the first calibration gas, or gases, when “APPLY GAS” is displayed. (See Figure 6)
6) Instrument will display “CALIBRATING” and count down to 0.
7) When “CAL COMPLETE” is displayed, observe which sensors are calibrated
and displayed below “CAL COMPLETE”. Remove gas and turn off gas flow.
8) Depress the ON/OFF switch and instrument will display “APPLY GAS”.
9) Apply the second calibration gas.
10) Instrument will display “CALIBRATING” and count down to 0.
11) When instrument displays “CAL COMPLETE”, observe which sensors are
calibrated and displayed below “CAL COMPLETE”.
Remove gas and turn off gas flow.
12) If all sensors were displayed below “CAL COMPLETE”, instrument is fully calibrated
and will display “PURGING”, count down to 0 and clear memory. The calibration
process is complete.
13) If a third calibration gas needs to be applied, after instrument displays “CAL
COMPLETE”, depress the ON/OFF button and follow the instructions on the display.
14) When “CAL COMPLETE” is displayed, remove gas and turn off gas flow.
15) Instrument will purge itself while counting down to 0, and clear memory.
16) The calibration process is now complete.
CAUTION
Calibration should be carried out only in a clean air environment,
known to be free of contaminants.
Be sure the calibration gas is within the expiration date indicated.
CAUTION
Calibration should be carried out only in a clean air environment,
known to be free of contaminants.
Be sure the calibration gas is within the expiration date indicated.
Please refer to Appendices K and L for important additional information.
Figure 6 Calibrating the MicroMAX +

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MULTI GAS DETECTION
6. PROGRAMMING
6.1 PROGRAMMING OPTIONS
Programming options allow user to customize the MicroMax +. Some options are
available in the user set-up mode (See Appendix D Mode Sequence, User Set-up Mode)
and some are available only in supervisory mode. ADDITIONAL MicroMAX +
PROGRAMMING OPTIONS CAN ALSO BE ACCOMPLISHED THROUGH THE MICROMAX
PLUS LOG SOFTWARE, USING THE UPLOAD FUNCTION. Follow procedures indicated in
Section 7.10 Uploading Information. If a computer is not available, programming may
be accomplished manually in supervisory mode, using the MODE and ON/OFF buttons.
To enter the supervisory mode, depress and hold the MODE button for 5 seconds, during
the “TESTING” phase of the start-up sequence. The general structure of the supervisory
mode is to depress the MODE button to bypass an option, or use the ON/OFF button to
enter the option’s menu and make a change. Where a menu has two options only for
example, “ON” or “OFF”, depressing the ON/OFF switch once simultaneously
accomplishes three functions; entering the menu, changing the option
and exiting the menu.
The following are all built in programmable options:
•Date format, date/time, daylight savings time
•Auto-zero during start-up sequence
•TWA alarm on or off
•Factory default settings
•Calibration
•Pump on or off
•Calibration gas level
•High alarm set points
•Low alarm set points/low alarm disable (except O2)
•Calibration due date displayed or not during start-up sequence, calibration due
frequency
5. CALIBRATION
5.4 ZEROING
There are three ways to zero the instrument:
1) Zeroing is done, automatically, each time the instrument is calibrated.
2) Zeroing is done, automatically, each time the instrument is turned on if the “AUTO
ZERO” feature is selected in the supervisory mode.
Please refer to Section 6.6 Auto-zeroing.
3) Zeroing may be done manually without doing a full calibration by entering the
calibration mode (please refer to Section 5.2 Calibration Procedure (when all calibration
gases are in a single canister)) and, anytime while the instrument is zeroing and
counting down from 30 seconds to 0, depress and hold down the MODE button for
at least 3 seconds. Instrument will not immediately exit, but will complete the zeroing
cycle, count down to 0, and then exit the calibration mode.
CAUTION
Zeroing should be carried out only in a clean air environment,
known to be free of contaminants.

22 23
MULTI GAS DETECTION
6. PROGRAMMING
6.2 SETTING DATE FORMAT
This function enables user to choose the correct date format. The default date format is
MM/DD/YYYY (MONTH/DAY/YEAR), as is customary in the USA. To determine to which date
format the instrument is set, enter the supervisory mode (Section 6.1 Programming Options)
and use the MODE button to scroll down to “DATE FORMAT”. If set for USA, display will
indicate:
DATE FORMAT
MM/DD
If this format is acceptable, and there is no need to set the date and time, depress the
MODE button to bypass the function. If, however, DD/MM/YYYY (DAY/MONTH/YEAR)
format is desired, depress the ON/OFF button twice, (once to enter the menu, and again to
change the date format) to:
DD/MM
15/06/2000-13:50 (These numbers represent current date & time)
If there is no reason to change the date or time, depress the ON/OFF button a further twelve
times to exit.
6. PROGRAMMING
6.3 SETTING DATE/TIME AND DAYLIGHT SAVING
To set date and time enter the supervisory mode (Section 6.1 Programming Options) and
use the MODE button to scroll to “DATE FORMAT”. Depress the ON/OFF button to enter
the menu. Depress the MODE button. The first digit on the left will start to flash. Depress
the ON/OFF switch to accept the flashing number and move one number to the right, or
use the MODE button to change the flashing number to the desired value. If the date format
is MM/DD, the first two digits on the left represent the current month and the first digit must
be either a 0 or a 1. Let us set the date to September 2, 2002. We need 09 to represent the
month of September. If 0 is flashing, depress the ON/OFF switch. This accepts the 0 on
the left and we may now use the MODE switch to set the next number to 9. Depress the
ON/OFF button to accept the 9 and the month is correctly set to 09. The next digit on the
right is now flashing and the MODE button is used to select 0. Depress the ON/OFF button
to accept the 0, the MODE button to select 2, and the ON/OFF button to accept 2. To set
the year, use the MODE button to select 2, the ON/OFF button to accept the 2. Use the
MODE button to select the 0 and depress the ON/OFF button to accept. Use the MODE
button to select 0 again and depress the ON/OFF button to accept. Use the MODE button to
select the 2 and the ON/OFF button to accept. This completes the date settings. To continue
and set the correct time to 14:45 (2:45PM), use the MODE button to select 1 and the
ON/OFF button to accept the 1. Use the MODE button to select 4 and depress the ON/OFF
button to accept the 4. Use MODE switch to select 4 and depress the ON/OFF switch to
accept the 4. Use MODE to select 5 and ON/OFF to accept and exit this menu.
The date and time are now correctly set. The “DAYLIGHT SAVING” time menu now appears.
DAYLIGHT SAVING
ON
Default is “ON”. Depress the MODE button to accept this setting and exit, or depress the
ON/OFF button to turn on daylight savings and exit.

6. PROGRAMMING
6.4 AUTO ZEROING
The factory default setting is automatic zeroing during start-up, each time the instrument is
turned on. If this is not acceptable, the auto-zero function during start-up may be turned off
by entering the supervisory mode (Section 6.1 Programming Options) and using the MODE
button to scroll down to:
AUTO ZERO
ON
Use the ON/OFF button to enter the menu, change the setting to “OFF”, and exit the menu.
Since zeroing is always done during the calibration process, proper instrument operation will
be maintained if calibration is always carried out in a clean air environment.
6.5 SELECTING PUMP MODE/DIFFUSION MODE
Pump is required for pretesting and calibration. However, users may at times prefer to
operate the instrument in diffusion mode, for example, when longer run time is desired.
The default setting is ON, which represents the pump mode. To go into diffusion mode,
select OFF for pump.
6.6 SELECTING IMMEDIATE ALARM MODE/TWA ALARM MODE
There are two types of alarm modes to choose from: immediate alarm mode and TWA
alarm mode.
1) In the immediate alarm mode, two types of alarms are available: immediate low and
immediate high alarms. The default values for these alarms are pre-set (See Appendix A
Specifications - Section (I) User Programmable High and Low Alarm Set Points) at the
factory but are user programmable.
2) In the TWA alarm mode, three types of alarms are available: TWA, STEL, and
instantaneous alarms. TWA is a time-weighted average over an 8-hour period.
STEL is the short-term exposure limit over a 15-minute period. The instantaneous alarm
represents an exposure level that generates an alarm instantly. The values for these
alarms are pre-set (See Appendix A Specifications - Section (J) Time Weighted Averages
(Only if "TWA ON" is selected) (Toxic sensors only) at the factory and cannot be changed.
6. PROGRAMMING
6.7 RESTORING FACTORY DEFAULTS
This supervisory option restores the instrument to all factory default settings.
DEFAULT?
A user who modified one or more settings in supervisory mode may depress the MODE
button to bypass this function for the changes to take effect, or depress the ON/OFF button
to abandon his changes and revert to the factory default settings.
6.8 CALIBRATION IN SUPERVISORY MODE
This option allows calibration in the supervisory mode. To bypass, depress the MODE button.
To calibrate depress the ON/OFF button and follow the calibration procedure in Section 5.2
Calibration Procedure (when all calibration gases are in a single canister).
24 25
MULTI GAS DETECTION

27
26
7. DATA LOGGING
7.1 SYSTEM REQUIREMENTS
PC or IBM-compatible system
166 MHz or higher
16 MB of RAM or more
30 MB of free disk space
Windows 98 SE, Windows Me, Windows NT4.0 (with Service Pack 6a installed), Windows
2000, or Windows XP
CD-ROM drive
RS-232 serial port
VGA monitor (with the screen resolution set to 800x600 or higher)
7.2 GENERAL INFORMATION
The MicroMAX + Log software program for Windows is on a single CD and provides the
tool necessary to transfer, save, retrieve, view, and print the data recorded in the MicroMAX +
instrument. It is a full function program that does not require an additional database
program. It contains a README.doc file and help content with all information needed for
installing, navigating, and using the program.
This program is compatible for use with any MicroMAX + instruments.
7.3 PROGRAM INSTALLATION
Place the program CD into the CD-ROM drive.
If the installation program runs automatically, skip to the next step. Otherwise, go to Start
➞Run, then type X:\SETUP, where X represents the drive letter of your CD-ROM drive. In
most cases, this will be D:\SETUP or E:\SETUP.
Follow on-screen instructions to complete installation.
7. DATA LOGGING
7.4 UNINSTALL PROCEDURE
For Windows XP users, go to Start ➞Control Panel. For other Windows users, go to Start
➞Settings ➞Control Panel.
When the Control Panel opens, double-click the Add/Remove Programs icon.
In the Add/Remove Programs dialog, select MaxPlus Log.
For Windows XP and Windows 2000 users, click Remove. For other Windows users,
click on Add/Remove.
Follow on-screen instructions to uninstall the program.
7.5 STARTING THE PROGRAM
Go to Start ➞Programs ➞Lumidor MaxPlus ➞MaxPlus. This brings up the program.
Connect one end of the supplied download cable to an available COM port on your
computer.
Click on the Communication menu.
Click on Select Port/Time Zone. The Select Port and Time Zone dialog box appears.
In this dialog box, select the appropriate COM port and time zone. The COM ports that exist
and are available appear as possible selections. Make sure your port selection agrees with
the COM port on your computer that the download cable is connected to. Click on OK to
return to the Main Screen (See Figure 7).
MULTI GAS DETECTION
WARNING
Do not connect the instrument to a PC in a potentially hazardous environment.
CAUTION
Make sure that your computer’s system clock and time zone are correct by
double-clicking on the current time located on the Windows taskbar.
Confirm/correct the date, time, and time zone and click OK.

29
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MULTI GAS DETECTION
7. DATA LOGGING
7.6 DOWNLOADING INFORMATION FROM THE MICROMAX +
The Download function allows you to transfer data from the instrument to the computer.
Follow procedures indicated in Section 7.5 Starting the Program.
Turn on the instrument and allow it to go into normal operating mode.
Click on the Communication menu, then on Download, or simply click on the Download
button on the toolbar of the Main Screen. The Download Data/Instrument Parameters dialog
box appears.
In this dialog box, select Data (for downloading instrument parameters, logged gas
readings, and calibration data) or Instrument Parameters (for downloading instrument
parameters), and click on OK. The following will appear on the screen: “Is the cable
connected and the instrument ready?”
Connect the instrument interface end of the download cable to the port of the instrument.
Click on Yes. The instrument will start to count up. This count also takes place on the
computer screen.
After all data has been transferred, the instrument displays “DATA SENT” and continues to
run in the normal operating mode. When the computer screen displays “Transfer complete”,
click OK.
For downloading instrument parameters, click the Upload/Modify Instrument Parameters button
on the tool bar and the parameters will be displayed in a dialog box. For downloading data,
type your last name, first name, and location, when prompted to do so. Then, click OK.
Wait a moment for the computer to store the information. Now, data from the most recent
download is displayed on the Main Screen and the file relating to this download can be
accessed from the Open dialog box.
WARNING
Choosing the download instrument parameters option dumps all logged data in the
instrument and the data is not saved in the program.
WARNING
All fields, including last name, first name, and location, must be entered in order to save the
downloaded data. The maximum length to be entered for last name, first name, and location
is 14, 14, and 20 alphanumeric characters, respectively.
Downloading at the same date and time for a particular instrument is not allowed.
For example, if you download data from an instrument having serial number 1234 at
3:30 p.m. on December 8, 2002, and you try to download again with the same instrument at
the same date and time as above, it will not save any data for this new download.
7. DATA LOGGING
7.7 DISPLAYING AND PRINTING DATA
7.7.1 MAIN SCREEN
Information on the Main
Screen includes the following
(See Figure 7):
•User information
(employee’s name,
instrument’s serial
number and user ID)
•Download information
(date, time, and location
that data is downloaded)
•Gas data (gas types,
measurement units, peaks,
TWA, and number of alarms)
Note: In user-programmable
immediate alarm mode, the
number of alarms equals to the total number of immediate high and immediate low
alarms for O2, a combustible or toxic gas. In TWA alarm mode, it represents the total
number of instantaneous alarms for a toxic gas, or the total number of immediate high
and immediate low alarms for O2 or
a combustible gas.
•Alarm levels (immediate low, immediate high, TWA, STEL and instantaneous alarm levels)
•Note relating to a download
•Histogram (logged gas readings)
Note: The histogram is separated into groups. Each time the instrument is turned on, or when
a new day begins during data logging, a new group is created and a new date and time
are displayed for that group.
•When a gas alarm occurs, it indicates so in front of the gas reading in the histogram.
The letters T, S, I, L, and H are used for alarm indication. In the immediate alarm mode,
L and H represent immediate low and immediate high alarm, respectively. In the TWA
alarm mode, T, S, and I represent TWA alarm, STEL alarm, and instantaneous alarm,
respectively, for toxic gases only, while L and H represent immediate low and immediate
high alarm, respectively, for O2 or combustible gases. On some occasions, TWA, STEL,
or instantaneous alarms can occur simultaneously. As a result, any combination of those
three types of alarm would be displayed before the gas reading.
Figure 7 A screenshot of the Mainscreen.

31
30
MULTI GAS DETECTION
7. DATA LOGGING
7.7.1 MAIN SCREEN
To view all the available data files, click on the File menu and then on Open, or simply click
on the Open button on the toolbar. A list appears with all stored files.
For your convenience, information in this list can be sorted in ascending order by Employee,
Serial #, Date, Time, or Location. To sort by any one of the above, simply click on the
corresponding heading.
To select a file, click on the desired employee name.
To open the file, click on Open to display all the data for that specific download, or simply
double-click on the desired file.
To delete the file, click on Delete and the following appears: “Are you sure that you want to
delete the selected data file?” Click on Yes to delete.
To print all information from the Main Screen, click on the File menu and click on Print (or
simply click on the Print button on the toolbar of the Main Screen). You can choose to print
all or to print only specified pages.
To print preview all information from the Main Screen, click on the File menu and click on
Print Preview (or simply click on the Print Preview button on the toolbar of the Main Screen).
On the print preview screen, you can view the next page, view the previous page, view one
or two pages at a time, zoom in on the document, zoom out from the document, and close
the print preview screen to return to the Main Screen.
7. DATA LOGGING
7.7.2 GRAPH SCREEN
Information on the Graph
Screen includes the following
(See Figure 8):
•User information
(employee’s name,
instrument’s serial
number and user ID)
•Download information
(date, time, and location
that data is downloaded)
•Graph limits (date, start
time, and end time for
which the graphs are
plotted)
•Graphs in different groups
Note: The group number for
the graphs corresponds with
the one for the histogram.
A curve cannot be plotted for a group with fewer than two data points.
•To display the graphs, click on the View menu and then on Graphs (or simply click on the
View Graphs button on the toolbar of the Main Screen). A group of 4 curves will be
displayed (See Figure 8).
•To view the graphs of another group, click on the tab of the corresponding group number.
•To view an enlarged single graph, simply double-click on the desired graph.
•To print an enlarged single graph, click on the Print Graph button.
•To return to the Graph Screen, click on the Close button.
•To focus on a particular time span of the graphs, enter the desired start time and end time
and click on the Refresh Graphs button on the Graph Screen.
•To display the immediate high alarm level and the immediate low alarm level on the
graphs, check the Imm/Hi Alarm and Imm/Lo Alarm boxes, respectively.
•To print the graphs, click on the Graphs menu and then on Print (or simply click on the
Print button on the toolbar of the Graph Screen).
•To return to the Main Screen, click on the Graphs menu and then click on Close (or simply
click on the Close button on the toolbar of the Graph Screen).
Figure 8 A screenshot of the Graph Screen.

32 33
7. DATA LOGGING
7.7.3 CURRENT CALIBRATION RECORDS
Each calibration
record contains
the following
(See Figure 9):
•Date and time
that calibration
took place
•Pre-calibration
readings (for up
to 4 gases)
•Post-calibration readings
(for up to 4 gases)
•An asterisk symbol (*) to indicate a note is attached
Note: For calibration readings, “Fail” indicates a calibration failure, and “N/A” indicates that
a gas sensor is missing.
•To display the current calibration records, click on the View menu and then on Current
Calibration (or simply click on the View Current Calibration button on the toolbar of the
Main Screen). A list of all calibration records is displayed for the instrument in that
download (See Figure 9).
•To delete a calibration record, select the record and click on the Delete Record button.
•To add a note to a calibration record, select the record and click on the Add/View Note
button. It brings up the Calibration Note dialog box. In this dialog box, type the note and
then click on Save. An asterisk (*) is displayed at the end of the record, indicating that a
note is attached.
Note: An ellipse mark (…) at the end of a record indicates that a note can be associated
with that record.
•To print the current calibration records for that download while on the Current
Calibration dialog box, check on the “w/ Note” check box to indicate all the attached
notes are to be printed along with the records (or uncheck it to print without the notes)
and click on Print Records.
7. DATA LOGGING
7.7.4 CALIBRATION HISTORY
Each calibration record
contains the following
(See Figure 10):
•Date and time for
which calibration
takes place
•Pre-calibration
readings (for
up to 4 gases)
•Post-calibration
readings (for
up to 4 gases)
•An asterisk symbol
(*) to indicate
a note is attached
Note: For calibration
readings, “Fail”
indicates a calibration
failure, and “N/A” indicates
that a gas sensor is missing.
•To display the calibration history, click on the View menu and then on Calibration History
(or simply click on the Calibration History button on the toolbar of the Main Screen).
A calibration history is displayed for the selected instrument (See Figure 10).
•To select an instrument, select the serial number from the Serial Number drop-down
box, or enter the serial number manually in the box and click Find. For example, for an
instrument with serial number 1234, append two 0’s in the front to make it a 6-digit
number, i.e. 001234, and click Find.
•To delete a calibration record, select the record and click on the Delete Record button.
•To add a note to a calibration record, select the record and click on the Add/View Note
button. It brings up the Calibration Note dialog box. In this dialog box, type the note and
then click on Save. An asterisk (*) is displayed at the end of the record, indicating that a
note is attached.
Note: An ellipse mark (…) at the end of a record indicates that a note can be associated with
that record.
•To print the calibration history while on the Calibration History dialog box, check on the
“w/ Note” check box to indicate all the attached notes are to be printed along with the
history (or uncheck it to print without the notes) and click on Print History.
MULTI GAS DETECTION
WARNING
Keep in mind that current calibration records are subsets of the calibration history, so any
records deleted from either the Current Calibration dialog or the Calibration History dialog
are permanently removed.
WARNING
Keep in mind that the current calibration records are subsets of the calibration history, so
any records deleted from either the Current Calibration dialog or the Calibration History
dialog are permanently removed.
Figure 10 A screenshot of the Calibration History dialog box.
Figure 9 A screenshot of the Current Calibration dialog box.

35
7. DATA LOGGING
•Daylight Saving: This feature allows the instrument to be adjusted to daylight saving time.
The default setting is ON. To turn on this feature, select OFF for Daylight Saving.
•User ID: The user ID is a user identification number. It is not required to enter the user ID.
To create or change it, enter a value up to 12 characters.
•Time Zone: This feature allows the user to view the selected time zone, depending on
their location. The default setting is (GMT – 07:00) Mountain Time. To select another
time zone, click on the Config button from the Main Screen’s toolbar and select the
appropriate time zone.
•Language: There are three kinds of languages available in the MicroMAX + instrument:
English, Spanish and French. The default setting is English. To select another language,
click the down arrow and select from the list.
•Data Logging Interval: The interval between data points displayed in the histogram.
There are 5 different data logging intervals to choose from 1, 2, 3, 4, and 5 minutes.
The default setting is 1 minute. To change the interval, click the down arrow and select
from the Data Logging Interval list.
•Auto-zero: If this feature is enabled on the MicroMAX +, the instrument will automatically
zero itself during the start-up routine. (Regardless, zeroing takes place each time a
calibration is completely done). The default setting is ON. To turn off this feature, select
OFF for Auto-zero.
•Pump: Pump is required for pre-testing and calibration. However, users may at times
prefer to operate the instrument in diffusion mode, for example, when longer run time is
desired. The default setting is ON, which represents the pump mode. To go into diffusion
mode, select OFF for Pump.
•TWA Alarm: User can choose between two alarm settings: TWA alarm mode and
immediate alarm mode. To turn on the TWA alarm mode, set the TWA Alarm option to
ON. To turn on the immediate alarm mode, set the TWA Alarm option to OFF. The factory
alarm setting is immediate alarm, with values chosen to provide earlier warning than the
STEL and TWA settings. The immediate high and immediate low alarms are user-
programmable. STEL is the short-term exposure limit over a 15-minute period. TWA is
the time weighted average over an 8-hour period. Instantaneous alarm is an exposure
level that generates an alarm instantly.
34
MULTI GAS DETECTION
7. DATA LOGGING
7.7.5 INSTRUMENT PARAMETERS
To display the instrument parameters,
click on the Communication menu and
then on Upload/Modify Instrument
Parameters (or simply click on the
Upload/Modify Instrument Parameters
button on the toolbar of the Main
Screen). The Upload/Modify Instrument
Parameters dialog box appears (See
Figure 11). Parameters in this dialog
box can be modified for uploading
purposes.
The upper section consists of 16
instrument parameters, each of which
must have accurate information.
•Serial Number: The serial number is
the S/N marked on your MicroMAX + instrument. Prior to downloading, MAXPLUS is
displayed. After downloading, your instrument’s serial number is indicated in this field.
Zeroes are placed in front of the serial number to make it a 6-digit number. It is set at
the factory and cannot be modified by the user.
•MFG Date: The MFG Date is the manufacture date of your MicroMAX + instrument. Prior
to downloading, 01/04 is displayed. After downloading, your instrument’s manufacture
date is indicated in this field. It is set at the factory and cannot be modified by the user.
•Current Date: The current date is in MM/DD/YYYY format. This field allows user to
transfer the current date to the instrument. To change the current date, click on the down
arrow to display a calendar and then click on the correct date.
•Current Time: The current time is in a 24-hour format. The following are a few examples
of the time conversion from a 12-hour format to a 24-hour format.
12-hour format 24-hour format
2:00 p.m. =14:00
10:15 a.m. =10:15
12 noon =12:00
12 midnight =00:00
Figure 11 A screenshot of the Upload/Modify Instrument
Parameters dialog box

37
36
7. DATA LOGGING
•Confidence Beep: The confidence beep is a visual flash, accompanied by an audible beep
every 20 seconds to reassure user that the instrument is working. The default setting is OFF.
To turn on this feature, select ON for Confidence Beep.
The lower section of the dialog box contains the following information:
•Gas type
•Imm. Lo (Immediate low alarm levels)
•Imm. Hi (Immediate high alarm levels)
•TWA (TWA alarm levels)
•STEL (STEL alarm levels)
•Inst. (Instantaneous alarm levels)
•Calibration Level
Note: Once the gas is chosen, the program automatically provides the correct default TWA
alarm levels that conform to United States OSHA recommendations. It also chooses the default
values for all other alarm levels and calibration levels. The immediate low alarm levels,
immediate high alarm levels, and calibration levels may be changed.
To print the instrument parameters while on this dialog box, simply click on the Print button at
the bottom.
To store the instrument parameters to a default user setting, click on the Store User Default
Instrument Parameters button. The following dialog box appears: “Are you sure that you want
to overwrite the default instrument parameters?” Click on Yes. The user setting is stored.
To restore the instrument parameters from a user setting, click on the Restore User Default
Instrument Parameters button. The following dialog box appears: “Are you sure that you want
to restore the user-defined setting?” Click on Yes. The user setting is restored.
To restore the instrument parameters to the factory default, click on the Restore Factory Default
Instrument Parameters button. The following dialog box appears: “Are you sure that you want
to restore the factory default setting?” Click on Yes. When it displays “The factory default
instrument parameters are loaded,” click on OK.
MULTI GAS DETECTION
7. DATA LOGGING
7.8 EDITING LOCATION
The Edit Location function allows you to modify the location for a specific download.
After a data file is opened, click on the Edit menu, then on Edit Location, or simply click on
the Edit Location button on the toolbar of the Main Screen. This brings up the Edit Location
dialog box.
In this dialog box, enter a new location of 20 characters or less for the opened file, and click OK.
7.9 EDITING NOTE
The Edit Note function allows you to modify the note for a specific download.
After a data file is opened, click on the Edit menu, then on Create/Edit Note, or simply click
on the Create/Edit Note button on the toolbar of the Main Screen. This brings up the Edit
Note dialog box.
In this dialog box, enter a note for the opened file (up to 2000 characters), and click Save.
7.10 UPLOADING INFORMATION TO THE MICROMAX +
The Upload function allows you to transfer information from the computer to the instrument.
It provides the capability to set date and time in the instrument, as well as modify operating
parameters such as the variables in the user setup or supervisory modes.
Follow procedures indicated in Section 7.5 Starting the Program.
1) Click on the Communication menu and then on Upload/Modify Instrument Parameters.
The Upload/Modify Instrument Parameters dialog box (See Figure 11) appears.
2) In this dialog box, modify the instrument parameters as desired (See Section 7.7.5
Instrument Parameters).
3) After verifying that all information is correct, click on the Upload Instrument Parameters
button. The following will appear on the screen: “Have you verified that all instrument
parameters are correct? Is the cable connected and the instrument ready?”
4) Connect the 6-pin connector cable to the instrument, and click on Yes.
5) After uploading is complete, the instrument shuts itself off and the computer screen
displays “Upload Complete.” Click OK and disconnect cable from the instrument.
6) To return to the Main Screen, click on the Close button located at the bottom of the
window.
CAUTION
Make sure that you have the correct type and number of gases.

39
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MULTI GAS DETECTION
7. DATA LOGGING
7.11 IMPORTING FILES
•The Import File function enables
files to be imported from MaxPlus
Log data files.
•Click on the Utility menu, then on
Import File (or simply click on the
Import File button on the toolbar
of the Main Screen). A dialog box
appears (See Figure 12).
•In this dialog, browse to the
directory that contains the data
file(s) to be imported. Usually, this
is a folder named as the
instrument’s serial number, such
as 001143.
•Select the directory and click OK.
The files can now be accessed in the Open dialog.
7.12 ARCHIVING DATA
The Archive Data function enables
data files to be stored as an archived
file with a .csv extension.
•Click on the Utility menu, then on
Archive Data, or simply click on
the Archive Data button on the
toolbar of the Main Screen. This
brings up the Archive Data dialog
box (See Figure 13), which lists all
the files available.
•In this dialog box, select the file you wish to archive and click on Archive.
The Save As dialog box appears.
•In the File Name box, type the desired file name.
•In the Save In box, select a directory to save the file in. If this is not selected,
the file will be saved in “C:\Program Files\MaxPlus\MaxPlus Log.”
•Click on Save. The file is now saved as a .csv file (comma delimited file).
•The file can be opened in most major spreadsheet programs
(such as Microsoft Excel).
Figure 12 A screenshot of the Import File dialog box.
Figure 13 A screenshot of the Archive Data dialog box.
7. DATA LOGGING
7.13 RECOVERING DATA
The Recover Data function enables
the transfer of missing data from a
temporary file to the Open dialog for
easy access if a file cannot be accessed
after a successful download.
•Click on the Utility menu, then
on Recover Data, or simply click
on the Recover Data button on the
toolbar of the Main Screen. The
Recover Data dialog box appears
(See Figure 14).
•In this dialog box, enter the last
name, first name, and location, and
then click on OK. The file should now
appear in the Open dialog where it may be accessed in the normal way.
7.14 GETTING HELP
7.14.1 USING MICROMAX PLUS LOG HELP
The help function is available from the Main Screen, the Graph Screen, and the
Upload/Modify Instrument Parameters dialog box.
7.14.2 ZELLWEGER ANALYTICS ON THE WEB
User can access different areas of the Zellweger Analytics website from the program. From
the Main Screen, click on Help, click on Zellweger Analytics on the Web and then select the
area you are interested in.
7.14.3 CUSTOMER SUPPORT
From the Main Screen, click on Help and then on Customer Support. The customer support
information is displayed. Click OK to close it.
7.14.4 MICROMAX + VERSION AND COPYRIGHT
From the Main Screen, click on the Help menu and then on About MaxPlus Log.
The software version and copyright information is displayed. Click OK to close it.
Figure 14 A screenshot of the Recover Data dialog box.