BW Technologies GasAlertQuattro User manual

Operator’s Manual
1, 2, 3, and 4 Gas Detector
50104941-536
English
©2013 BW Technologies by Honeywell. All rights reserved.
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GasAlertQuattro
i
Table of Contents
Limited Warranty and Limitation Liability ..............0
Contacting BW Technologies by Honeywell .........0
Introduction .............................................................. 1
Zeroing the Sensors ................................................ 1
Safety Information - Read First ............................... 2
Parts of the GasAlertQuattro ..................................5
Screen Elements ...................................................... 6
Pushbutton ............................................................... 7
Sensor Poisons and Contaminants ........................ 8
Connecting the Gas Cylinder to the Detector .......9
Calibration ..............................................................10
Bump Test ............................................................... 12
Alarms .....................................................................14
User Options and Sensor Configuration .............17
Device Configuration ...................................................17
Sensor Configuration ................................................... 19
Maintenance ........................................................... 20
Rechargeable Battery Capacity ...................................20
Battery Pack Retaining Screw .....................................20
Replacing the Battery Pack .........................................21
Charging the Rechargeable Battery Pack ...................21
Replacing the Alkaline Batteries ..................................22
WEEE Directive and Battery Directive ................. 24
Removal and Disposal of the Alkaline Battery
Pack ........................................................................24
Removal and Disposal of the Rechargeable
Battery Pack ............................................................24
Removal and Disposal of the Coin Cell ............... 25
Replacing the Sensors.................................................26
Replacing the Sensor Filter .........................................27
Specifications ......................................................... 28
European Performance Approval ......................... 31
Performance Data According to EN 45544-1
Part 1 and 2: ............................................................34
Troubleshooting ..................................................... 35
Startup Troubleshooting ..............................................40
Calibration Troubleshooting.........................................42
Bump Test Troubleshooting.........................................42
Replacement Parts and Accessories ................... 43
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Limited Warranty and Limitation Liability
BW Technologies LP (BW) warrants the product to be free from defects in material and workmanship under normal use and service for a period of
two years, beginning on the date of shipment to the buyer. This warranty extends only to the sale of new and unused products to the original buyer.
BW’s warranty obligation is limited, at BW’s option, to refund of the purchase price, repair or replacement of a defective product that is returned to
a BW authorized service center within the warranty period. In no event shall BW’s liability hereunder exceed the purchase price actually paid by the
buyer for the Product.
This warranty does not include:
a) fuses, disposable batteries or the routine replacement of parts due to the normal wear and tear of the product arising from use;
b) any product which in BW’s opinion, has been misused, altered, neglected or damaged, by accident or abnormal conditions of operation,
handling or use;
c) any damage or defects attributable to repair of the product by any person other than an authorized dealer, or the installation of unapproved
parts on the product; or
The obligations set forth in this warranty are conditional on:
a) proper storage, installation, calibration, use, maintenance and compliance with the product manual instructions and any other applicable
recommendations of BW;
b) the buyer promptly notifying BW of any defect and, if required, promptly making the product available for correction. No goods shall be
returned to BW until receipt by the buyer of shipping instructions from BW; and
c) the right of BW to require that the buyer provide proof of purchase such as the original invoice, bill of sale or packing slip to establish that the
product is within the warranty period.
THE BUYER AGREES THAT THIS WARRANTY IS THE BUYER’SSOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR APARTICULAR PURPOSE. BW SHALL NOT BE LIABLE FOR ANY
SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, WHETHER ARISING FROM BREACH OF WARRANTY OR
BASED ON CONTRACT, TORT OR RELIANCE OR ANY OTHER THEORY.
Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or consequential
damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this warranty is held invalid or
unenforceable by a court of competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.
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1
GasAlertQuattro
Introduction
GasAlertQuattro
Introduction
The operator’s manual provides basic information to operate
the GasAlertQuattro gas detector. For complete operating
instructions, refer to the GasAlertQuattro Technical Reference
Guide provided on the CD-ROM. The GasAlertQuattro gas
detector (“the detector”) is designed to warn of hazardous gas
levels above user-defined alarm setpoints.
The detector is a personal safety device. It is your responsibility
to respond properly to the alarm.
Note
The detector is shipped with English as the default
displayed language. Additional languages provided
are French, German, Portuguese, and Spanish. The
screens for the additional languages are displayed on
the detector and in the corresponding operator’s
manual.
Zeroing the Sensors
To zero the sensors, refer to steps #1-3 in Calibration on
page 10.
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GasAlertQuattro
Operator’s Manual
2
Safety Information - Read First
Use the detector only as specified in this operator’s manual and
the technical reference guide, otherwise protection provided by
the detector may be impaired. Read the following Cautions
before using the detector.
•Warning: Substitution of components may impair
Intrinsic Safety.
• Before using the detector, refer to Sensor Poisons and
Contaminants on page 8.
• Protect the combustible sensor from exposure to lead
compounds, silicones, and chlorinated hydrocarbons.
Although certain organic vapors (such as leaded
gasoline and halogenated hydrocarbons) may
temporarily inhibit sensor performance, in most cases
the sensor will recover after calibration.
• Caution: For safety reasons, this equipment must be
operated and serviced by qualified personnel only. Read
and understand the technical reference guide
completely before operating or servicing.
• If using the detector near its upper or lower operating
temperature, BW Technologies by Honeywell
recommends zeroing or activating the detector in that
environment.
• Charge the detector before first-time use. BW
recommends the detector be charged after every
workday.
• Do not use an external power supply or charger to
operate the detector for periods greater than 24 hours. If
powering from an external source, power cycle the
detector once every 24 hours to ensure proper
operation. To power cycle the detector, press and hold
Cuntil OFF is displayed. Release C, then press and
hold until the detector begins the start-up sequence.
• Do not use an external power source or charger to
operate the detector in a hazardous environment. The
chargers intended for use with the GasAlertQuattro
detector are not certified for use in hazardous or
potentially explosive environments.
• Calibrate the detector before first-time use and then on
a regular schedule, depending on use and sensor
exposure to poisons and contaminants. BW
recommends that the sensors must be calibrated
regularly and at least once every 180 days (6 months).
• Performance standards for European certification
EN 60079-29-2 and EN 45544-4 contain guidance on
implementing a suitable calibration routine.
• Calibrate only in a safe area that is free of hazardous
gas in an atmosphere of 20.9% oxygen.
• The combustible sensor is factory calibrated to 50%
LEL methane. If monitoring a different combustible gas
in the % LEL range, calibrate the sensor using the
appropriate gas.
• Only the combustible gas detection portion of this
instrument has been assessed for performance by CSA
International.
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3
GasAlertQuattro
Safety Information - Read First
• BW recommends that the combustible sensor be
checked with a known concentration of calibration gas
after any exposure to contaminants/poisons such as
sulfur compounds, silicon vapors, halogenated
compounds, etc.
• BW recommends to bump test the sensors before each
day’s use to confirm their ability to respond to gas by
exposing the detector to a gas concentration that
exceeds the alarm setpoints. Manually verify that the
audible, visual, and vibrator alarms are activated.
Calibrate if the readings are not within the specified
limits.
• For an additional bump test caution relating to the
European performance certification, refer to Bump Test
on page 12.
• Caution: High off-scale LEL readings may indicate an
explosive concentration.
• Any rapid upscaling reading followed by a declining or
erratic reading may indicate a gas concentration
beyond upper scale limit, which can be hazardous.
• For use only in potentially explosive atmospheres
where oxygen concentrations do not exceed 20.9%
(v/v). Oxygen deficient atmospheres (<10% v/v) may
suppress some sensor outputs.
• Extended exposure of the GasAlertQuattro to certain
concentrations of combustible gases and air may stress
the detector element that can seriously affect its
performance. If an alarm occurs due to a high
concentration of combustible gases, a calibration
should be performed, or if needed, the sensor replaced.
• Before using common products around sensors, refer
to Sensor Poisons and Contaminants on page 8.
• High concentrations of certain toxic gases, for example
H2S, may have an adverse effect on the LEL sensor.
This effect, known as inhibition, is usually temporary
but in extreme circumstances can impair the sensitivity
of the LEL sensor.
After any gas exposure that causes an alarm in the toxic
gas sensors, the LEL sensor should be verified with a
bump test, and recalibrated if necessary.
•Warning: The lithium battery (QT-BAT-R01) may present
a risk of fire or chemical burn hazard if misused. Do not
disassemble, heat above 212°F (100°C), or incinerate.
•Warning: Do not use any other lithium batteries with the
GasAlertQuattro detector. Use of any other cell can
cause fire and/or explosion. To order and replace the
QT-BAT-R01 lithium battery, contact BW Technologies
by Honeywell.
•Warning: Lithium polymer cells exposed to heat at
266°F (130°C) for 10 minutes can cause fire and/or
explosion.
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GasAlertQuattro
Operator’s Manual
4
•eWarning: This instrument contains a lithium
polymer battery. Dispose of used lithium cells
immediately. Do not disassemble and do not dispose of
in fire. Do not mix with the solid waste stream. Spent
batteries must be disposed of by a qualified recycler or
hazardous materials handler.
• Keep lithium cells away from children.
• Deactivating the detector by removing the battery pack
may cause improper operation and harm the detector.
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5
GasAlertQuattro
Parts of the GasAlertQuattro
Parts of the GasAlertQuattro
Item Description Item Description Item Description Item Description
1
IntelliFlash
(green LED)
4Pushbutton 7Liquid crystal display
(LCD)
10 Alligator clip
2Visual alarm indicator
(red LED)
5Combustible (LEL)
sensor
8Audible alarm 11 Battery pack
3Hydrogen sulfide
(H2S) sensor
6Carbon monoxide
(CO) sensor
9Oxygen (O2) sensor 12 Charging connector
and IR interface
11 22 3
22
5
6
7
4
8
2
9
10
11
12
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6
GasAlertQuattro
Operator’s Manual
Screen Elements
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7
GasAlertQuattro
Pushbutton
Pushbutton
Pushbutton Description
C
• To activate the detector, press and hold Cin a safe area that is free of hazardous gas and in
an atmosphere of 20.9% oxygen.
• To deactivate the detector, press and hold Cduring the powering off countdown. Release
Cwhen OFF displays.
• To view the date/time, current battery power, calibration due date, bump test due date, TWA,
STEL, and peak readings, press Ctwice rapidly. To clear the TWA, STEL, and peak
readings, press and hold Cwhen the LCD displays Hold Cto reset peaks, TWA, STEL.
• To initiate calibration, press and hold Cwhile the detector performs the OFF countdown.
Continue holding Cwhile the LCD briefly deactivates and then reactivates to begin the
calibration countdown. Release Cwhen Calibration started displays.
• To activate the backlight, press Cand release.
• To acknowledge latching alarms, press C.
• To acknowledge a low alarm and disable the audible alarm, press C. The Low Alarm
Acknowledge option must be enabled in FleetManager II.
• To acknowledge any of the “due today” messages (calibration and bump test) press C. If
enabled, the force calibration and force bump features cannot be bypassed.
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GasAlertQuattro
Operator’s Manual
8
Sensor Poisons and Contaminants
Several cleaners, solvents, and lubricants can contaminate and
cause permanent damage to sensors. Before using cleaners,
solvents, and lubricants in close proximity to the detector
sensors, read the following caution and table.
Use only the following BW Technologies by Honeywell
recommended products and procedures:
• Use water based cleaners.
• Use non-alcohol based cleaners.
• Clean the exterior with a soft, damp cloth.
• Do not use soaps, polishes, or solvents.
The following table lists common products to avoid using
around sensors.
Cleaners and
Lubricants Silicones Aerosols
Brake cleaners Silicone cleaners and
protectants
Bug
repellents
and sprays
Lubricants
Silicone based
adhesives, sealants,
and gels
Lubricants
Rust inhibitors
Hand/body and
medicinal creams that
contain silicone
Rust
inhibitors
Window and glass
cleaners
Tissues containing
silicone
Window
cleaners
Dishsoaps Mold releasing agents
Citrus based
cleaners Polishes
Alcohol based
cleaners
Hand sanitizer
Anionic
detergents
Methanol (fuels
and antifreezes)
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9
GasAlertQuattro
Connecting the Gas Cylinder to the Detector
Connecting the Gas Cylinder to the Detector
Gas Cylinder Connection
Read the following steps (1-5) prior to initiating calibration.
1. Verify the calibration gas being used matches the span concentration
value(s) that are set for the detector.
2. Connect the calibration hose to the 0.5 l/min regulator on the gas cylinder.
For use with the MicroDock II, use a demand flow regulator and refer to
the MicroDock II User Manual.
3. Connect the calibration hose to the intake inlet on the calibration cap.
Arrows on the calibration cap indicate the direction of gas flow.
4. Begin the calibration procedures. Do not attach the calibration cap until
instructed to apply gas. When instructed, place the calibration cap on the
detector and tighten the knob.
NOTE: Ensure the cap is securely fastened before applying gas.
5. When calibration is complete, disconnect the hose from the calibration cap
and the regulator. Remove the calibration cap from the detector.
Gas Cylinder Guidelines
Ɣ To ensure accurate calibration, use a premium-grade calibration gas. Use
gases approved by the National Institute of Standards and Technology.
Ɣ,IDFHUWLILHGFDOLEUDWLRQLVUHTXLUHGFRQWDFW%:7HFKQRORJLHVE\+RQH\ZHOO
Ɣ'RQRWXVe a gas cylinder past its expiration date.
Note
Only use the calibration cap
during the calibration process.
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GasAlertQuattro
Operator’s Manual
10
Calibration
Calibration is performed to adjust the sensitivity levels of
sensors to ensure accurate responses to gas.
This calibration procedure is written as the procedure is intended.
If an error or alarm screen displays, refer to Calibration
Troubleshooting in the
GasAlertQuattro Technical Reference
Guide
.
Calibrate only in a safe area that is free of hazardous gas
in an atmosphere of 20.9% oxygen.
If performing single gas calibration, calibrate O2first.
Note
The maximum hose length for calibration is 3 ft. (1 m).
The following steps are written for use with a standard
quad gas cylinder.
Calibration can only be aborted after the sensors have
been zeroed. If Cis pressed to abort, CALIBRATION
cancelled displays.
Aborting the calibration procedure after applying gas may
result in an undesired calibration being saved.
BW recommends calibrations be verified following an
adjustment operation.
1. Press and hold Cas the detector
performs the Powering off countdown.
Continue holding Cwhen OFF
displays and the detector briefly
deactivates.
2. The detector activates again and
performs the calibration countdown.
Continue holding until Starting
Calibration displays.
OFF
Powering off...
OFF
Starting Calibration...
Continue holding
to calibrate
or zero
- 3 -
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11
GasAlertQuattro
Calibration
3. The detector enters the zero function.
zeroing displays while the detector
zeros all of the sensors.
If a sensor fails to zero, it cannot be
calibrated. Refer to Startup Self-Test
Troubleshooting in the
GasAlertQuattro Technical Reference
Guide.
If the IR Lock option is enabled, the
following screen displays to indicate
calibration can only be performed using
an IR device (MicroDock II or IR Link).
4. When the following screen displays,
attach the calibration cap and apply
calibration gas at a flow rate of
250-500 ml/min. Refer to Connecting the
Gas Cylinder to the Detector on page 9.
If a sensor is not yet due for calibration,
its box will have a greyed out
checkmark.
H2S ppm CO ppm
O2%
00.0
20.9 0
zeroing . . .
LEL %
Calibration
IR lock enabled...
Connect to
MicroDock or
Fleet Manager
Press to end
waiting... 24
Apply Calibration
gas now...
Press to end
H
2
SCO
LEL
O
2
waiting... 17
5. The detector initially tests for gas.
When a sufficient amount of gas is
detected, displays beside each gas
that is detected.
6. The detector then begins calibrating
the sensors. The following activities
occur during the span:
•calibrating displays at the bottom of
the screen.
• Gas values adjust during the span.
• Target gas values that are defined in
FleetManager II display above or
below the adjusting gas value.
To abort calibration after the sensors
have been zeroed, press C.
7. When the following screen displays,
close the valve on the gas cylinder and
remove the calibration cap from the
detector.
A check mark displays beside each
sensor that has calibrated successfully.
Apply Calibration
gas now...
Press to end
H2SCO
LEL
O2
waiting... 0
H2S ppm CO ppm
LEL %O2%
22.0 86
15.0 37
25.0 100.0
Press to end
calibrating...
18.0 50.0
Turn gas off...
waiting... 17
Press to skip
CO
LEL
O2
H2S
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GasAlertQuattro
Operator’s Manual
12
Bump Test
A bump test applies test gas to force the detector into alarm. A
bump test should be performed regularly to confirm the sensors
are responding correctly to gas, and that the audible, visual and
vibrator alarms activate during an alarm condition.
The detector can also prompt for a bump test during startup
when the Bump Test Interval is defined. Refer to the
GasAlertQuattro Technical Reference Guide.
BW recommends to bump test the sensors before each
day’s use to confirm their ability to respond to gas by
exposing the sensors to a gas concentration that exceeds
alarm setpoints.
To operate the detector in accordance with performance
requirements for European certification, the user must
complete a bump test before each day’s use.
(Per EN 60079-29-1 and EN 60079-29-2.)
1. Connect the calibration hose to the 0.5 l/min regulator
on the gas cylinder. Refer to Connecting the Gas
Cylinder to the Detector on page 9.
To bump test using the MicroDock II station, refer to the
MicroDock II User Manual.
2. Connect the calibration hose to the intake inlet on the
calibration cap. Arrows on the calibration cap indicate
the direction of gas flow.
8. When calibration is complete, the
following screen displays.
Note
The calibration due date cannot
be reset for a sensor that fails
calibration. If a sensor fails or an
error screen displays, refer to
Calibration Troubleshooting in the
GasAlertQuattro Technical
Reference Guide.
9. All successfully calibrated sensors
automatically reset to the number of days
defined in the Cal Interval field in
FleetManager II.
The calibration due dates can be
changed in FleetManager II.
10. The detector now enters normal
operation.
Calibration
complete
waiting... 0
Press to skip
H2S days CO days
LEL daysO2days
180 180
180 180
NEXT CAL
Press to skip
H2S ppm CO ppm
O2%
00.0
20.9 0
LEL %
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13
GasAlertQuattro
Bump Test
3. Attach and tighten the calibration cap onto the
detector and apply gas. Verify the visual, audible, and
vibrator alarms activate.
4. Close the regulator and remove the calibration cap.
The detector temporarily remains in alarm until the
gas clears from the sensors.
Note
In normal operating mode, it is possible to display
measured values with calibration gas applied to
determine any measurement errors.
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14
GasAlertQuattro
Operator’s Manual
Alarms
Refer to the following table for information about alarms and corresponding screens. For more information about alarms refer to the
GasAlertQuattro Technical Reference Guide.
Alarm Screen Alarm Screen
Low Alarm
• Slow siren (upward tone)
• Slow flash
• Black box around gas flashes
• Vibrator alarm activates
TWA Alarm
• Fast siren (downward tone)
• Fast flash
• Black box around gas flashes
• Vibrator alarm activates
High Alarm
• Fast siren (downward tone)
• Fast flash
• Black box around gas flashes
• Vibrator alarm activates
STEL Alarm
• Fast siren (downward tone)
• Fast flash
• Black box around gas flashes
• Vibrator alarm activates
LOW ALARM
0.0
H2S ppm
0
LEL %
0
CO ppm
19.5
O2%
15.0
H2S ppm
20.9
O2%
0
LEL %
0
CO ppm
TWA ALARM
HIGH ALARM
0.0
H2S ppm
20.9
O2%
0
LEL %
200
CO ppm
0.0
H2S ppm
20.9
O2%
0
LEL %
50
CO ppm
STEL ALARM
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15
GasAlertQuattro
Alarms
Note
If enabled, during an alarm condition the Latching Alarms option causes the low and high gas alarms (audible, visual, and vibrator) to
persist until the alarm is acknowledged by pressing Cand the gas concentration is below the low alarm setpoint. The peak concentration
values display continually until the alarm no longer exists. Enable/disable Latching Alarms in FleetManager II. Local regulations may
require the Latching Alarms option be enabled. The Latching Alarms option must be enabled if the detector is to be used in accordance
with performance requirements for European certification.
Alarm Screen Alarm Screen
Multi Alarm
• Alternating low and high alarm
siren and flash
• Black box around gas flashes
• Type of alarm alternates
• Vibrator alarm activates
Over Limit (OL) Alarm
• Fast siren (downward tone)
• Fast flash
• Black box around gas flashes
• Vibrator alarm activates
Note: LCD may also display
an under limit reading (-OL)
Sensor Failure Alarm
• displays
Normal Deactivation
• Sequence of alternating beeps
and alternating flashes
• Vibrator alarm activates
• Countdown initiates
•OFF displays
HIGH ALARM
0.0
H2S ppm
19.5
O2%
0
LEL %
200
CO ppm
HIGH ALARM
0.0
H2S ppm
20.9
O2%
0
CO ppm
OL
LEL %
H2S ppm CO ppm
O2%
00.0
20.9
LEL %
OFF
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16
GasAlertQuattro
Operator’s Manual
Alarm Screen Alarm Screen
Low Battery Alarm
• Sequence of 10 rapid sirens and
alternating flashes with 7 seconds
of silence in between (continues
for 15 minutes)
• flashes
• Vibrator alarm pulses
• After 15 minutes of the low battery
alarm sequence, the detector
enters critical battery alarm (see
Critical Battery Alarm below)
Confidence/compliance Beep
• One beep every 1-120 seconds
(beep frequency is defined with
Confidence/compliance Beep
Interval option)
IntelliFlash
(default: one flash every 1 second)
• One flash every 1-120 seconds
(flash frequency is defined with
IntelliFlash Interval option)
Heartbeat
• pulses once every second to
verify detector is operating correctly
Note: Confidence/
compliance beep and
IntelliFlash
automatically deactivate
during a low battery
alarm, calibration fail,
bump test fail, self-test
fail, and in an alarm
condition.
Critical Battery Alarm
• Fifteen minutes after low battery
alarm activates, sequence of
10 rapid sirens and alternating
flashes with 1 second of silence in
between (sequence reactivates
seven times)
• Vibrator alarm pulses
•Low Battery Powering Off
displays and the detector
deactivates
Note
If the Low Alarm Acknowledge option is enabled, the
audible alarm can be disabled during a low alarm condition.
The LED and visual alarm indicators remain active until the
alarm condition changes or the detector deactivates. Press
Cto acknowledge the low alarm and deactivate the audible
alarm. If the alarm escalates to a high, TWA, or STEL alarm,
the audible alarm reactivates.
H2S ppm CO ppm
LEL %O2%
00.0
20.9 0
H2S ppm CO ppm
O2%
00.0
20.9 0
LEL %
Low battery
Powering off
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17
GasAlertQuattro
User Options and Sensor Configuration
User Options and Sensor Configuration
In order to modify user options and detector configuration, the
following items are required:
• Detector
• IR Link adapter or MicroDock II
• FleetManager II software
The following section describes some of the configuration
options available in the detector. Refer to the GasAlertQuattro
Technical Reference Guide and FleetManager II Operator’s
Manual for complete information.
Device Configuration
The Device Configuration section displays data about the
detector, allows for a startup message to be entered, and
defines and enables/disables settings for the detector.
•Serial Number Field: This field displays the serial number
(e.g. QA111-001000) of the detector.
•Firmware Version: This field displays the current firmware
version that displays on the detector LCD during the
startup sequence. If new firmware is uploaded to the
detector, the Firmware Version field automatically updates.
•Hardware Version: This field displays the current
hardware version of the detector.
•Startup Message: Enter text to display on the detector
LCD during startup (50 characters maximum). Enter
information such as employee name, plant, area,
emergency number(s), etc.
•Lockout on Self-Test Error: If Lockout on Self-Test Error
is enabled and a failure occurs during the self-test, the
screen displays Sensor Self Test Error Lockout
Enabled... and the detector deactivates.
•Safe Mode: If enabled, SAFE displays continuously on the
LCD unless an alarm condition occurs.
•Confidence/Compliance Beep: If enabled, the
Confidence/Compliance Beep provides continuous audible
confirmation that the detector is operating correctly.
Frequency of the beep is defined with the Confidence/
Compliance Beep Interval option (every 1-120 seconds).
Note
Confidence/Compliance Beep automatically disables
during a low battery alarm, self-test fail, calibration
fail, bump test fail, and when an alarm event occurs.
Remove the unit from use and contact BW if the
confidence/compliance beep or IntelliFlash is not
working.
•Latching Alarms: If enabled, during an alarm condition
the Latching Alarms option causes the low and high gas
alarms (audible, visual, and vibrator) to persist until the
alarm is acknowledged and the gas concentration is below
the low alarm setpoint. The LCD displays the peak
concentration until the alarm no longer exists. Local
regulations in your region may require the Latching
Alarms option be enabled.
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Other manuals for GasAlertQuattro
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