MSA MiniOX 710965 User manual

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MiniCO®, MiniH2S®,
MiniOX®, MiniOX®Remote,
MiniCl2TM, and MiniClO2TM
Responder®Detectors
Instruction Manual
"! WARNING
THIS MANUAL MUST BE CAREFULLY READ BY ALL
INDIVIDUALS WHO HAVE OR WILL HAVE THE
RESPONSIBILITY FOR USING OR SERVICING THESE
PRODUCTS. Like any complex equipment, these
instruments will perform as designed only if used and
serviced in accordance with the manufacturer’s
instructions. OTHERWISE, THEY COULD FAIL TO
PERFORM AS DESIGNED AND PERSONS WHO RELY
ON THESE PRODUCTS FOR THEIR SAFETY COULD
SUSTAIN SEVERE PERSONAL INJURY OR DEATH.
The warranties made by Mine Safety Appliances
Company with respect to the product are voided if the
product is not used and serviced in accordance with
the instructionsin this manual. Please protectyourself
and others by following them. We encourage our
customers to write or call regarding this equipment
prior to use or for any additional information relative
to use or repairs.
In the U.S., to contact your nearest stocking location,
dial toll-free 1-800-MSA-2222.
To contact MSA International, dial 1-412-967-3354.
© Mine Safety Appliances Company 2004
All Rights Reserved
This manual is available on the internet at
www.msanet.com
Manufactured by
MINE SAFETY APPLIANCES COMPANY
P.O. Box 427, Pittsburgh, Pennsylvania 15230
(L) Rev 5 10004100
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Table of Contents
Section 1
MiniCO®Responder Carbon Monoxide
Detector (P/Ns 710424, 710510,
10008671 and 10008673) . . . . . . . . . . 1-1
Instructions for Use and Maintenance. 1-1
"WARNINGS . . . . . . . . . . . . . . . . . . 1-1
"CAUTIONS. . . . . . . . . . . . . . . . . . . 1-2
Turning ON/OFF. . . . . . . . . . . . . . . . . . 1-2
FAS (Fresh Air Setup) . . . . . . . . . . . . . 1-2
Gas Alarms. . . . . . . . . . . . . . . . . . . . . . 1-2
Low Battery Alarm . . . . . . . . . . . . . . . . 1-3
Vibrating Alarms . . . . . . . . . . . . . . . . . . 1-3
Backlight . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Peak Readings . . . . . . . . . . . . . . . . . . . 1-3
Calibration Check/Adjustment. . . . . . . . 1-4
Setting Alarm Setpoints . . . . . . . . . . . . 1-4
Installing/Replacing the Battery . . . . . . 1-5
"CAUTION. . . . . . . . . . . . . . . . . . . . 1-5
Replacing Sensor Assembly. . . . . . . . . 1-5
Hot Gas Sampling . . . . . . . . . . . . . . . . 1-5
Specifications . . . . . . . . . . . . . . . . . . . . 1-6
Interferant Data. . . . . . . . . . . . . . . . . . . 1-7
Replacement Parts . . . . . . . . . . . . . . . . 1-7
Table of Contents
TOC-1
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Section 2
MiniH2S®Responder
Hydrogen Sulfide Detector
(P/Ns 710850 and 10008672). . . . . . . 2-1
Instructions for Use and Maintenance. 2-1
"WARNINGS . . . . . . . . . . . . . . . . . . 2-1
"CAUTIONS. . . . . . . . . . . . . . . . . . . 2-2
Turning ON/OFF. . . . . . . . . . . . . . . . . . 2-2
FAS (Fresh Air Setup) . . . . . . . . . . . . . 2-2
Gas Alarms. . . . . . . . . . . . . . . . . . . . . . 2-2
Low Battery Alarm . . . . . . . . . . . . . . . . 2-3
Vibrating Alarms . . . . . . . . . . . . . . . . . . 2-3
Backlight . . . . . . . . . . . . . . . . . . . . . . . . 2-3
Peak Readings . . . . . . . . . . . . . . . . . . . 2-3
Calibration Check . . . . . . . . . . . . . . . . . 2-3
Setting Alarm Setpoints . . . . . . . . . . . . 2-4
Installing/Replacing the Battery . . . . . . 2-4
Replacing Sensor Assembly. . . . . . . . . 2-5
Specifications . . . . . . . . . . . . . . . . . . . . 2-5
Interferant Data. . . . . . . . . . . . . . . . . . . 2-6
Replacement Parts . . . . . . . . . . . . . . . . 2-6
Section 3
MiniOX®Responder Oxygen Detector
(P/Ns 710965 and 10008676). . . . . . . 3-1
Instructions for Use and Maintenance. 3-1
"WARNINGS . . . . . . . . . . . . . . . . . . 3-1
Table of Contents
TOC-2
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"CAUTIONS. . . . . . . . . . . . . . . . . . . 3-2
Turning On/OFF . . . . . . . . . . . . . .. . . . 3-2
FAS (Fresh Air Setup) . . . . . . . . . . . . . 3-2
Gas Alarms. . . . . . . . . . . . . . . . . . . . . . 3-2
Low Battery Alarm . . . . . . . . . . . . . . . . 3-3
Vibrating Alarms . . . . . . . . . . . . . . . . . . 3-3
Backlight . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Peak Readings . . . . . . . . . . . . . . . . . . . 3-3
Calibration Check . . . . . . . . . . . . . . . . . 3-3
Setting Alarm Setpoints . . . . . . . . . . . . 3-4
Installing/Replacing the Battery . . . . . . 3-4
Replacing Sensor Assembly. . . . . . . . . 3-4
Specifications . . . . . . . . . . . . . . . . . . . . 3-5
Replacement Parts . . . . . . . . . . . . . . . . 3-5
Section 4
MiniOX®Responder
Remote Oxygen Detector
(P/Ns 10001923 and 10008675). . . . . 4-1
Instructions for Use and Maintenance. 4-1
"WARNINGS . . . . . . . . . . . . . . . . . . 4-1
"CAUTIONS. . . . . . . . . . . . . . . . . . . 4-2
Turning ON/OFF. . . . . . . . . . . . . . . . . . 4-2
FAS (Fresh Air Setup) . . . . . . . . . . . . . 4-2
Gas Alarms. . . . . . . . . . . . . . . . . . . . . . 4-2
Low Battery Alarm . . . . . . . . . . . . . . . . 4-3
Vibrating Alarms . . . . . . . . . . . . . . . . . . 4-3
Table of Contents
TOC-3
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Backlight . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Peak Readings . . . . . . . . . . . . . . . . . . . 4-3
Calibration Check . . . . . . . . . . . . . . . . . 4-4
Setting Alarm Setpoints . . . . . . . . . . . . 4-4
Installing/Replacing the Battery . . . . . . 4-4
Replacing Sensor Assembly. . . . . . . . . 4-5
Specifications . . . . . . . . . . . . . . . . . . . . 4-5
Section 5
MiniCl2TM Responder
Chlorine Detector
(P/Ns 10020744 and 10020747). . . . . 5-1
Instructions for Use and Maintenance. 5-1
"WARNINGS . . . . . . . . . . . . . . . . . . 5-1
"CAUTIONS. . . . . . . . . . . . . . . . . . . 5-2
Turning ON/OFF. . . . . . . . . . . . . . . . . . 5-2
FAS (Fresh Air Setup) . . . . . . . . . . . . . 5-2
Gas Alarms. . . . . . . . . . . . . . . . . . . . . . 5-2
Low Battery Alarm . . . . . . . . . . . . . . . . 5-3
Vibrating Alarms . . . . . . . . . . . . . . . . . . 5-3
Backlight . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Peak Readings . . . . . . . . . . . . . . . . . . . 5-3
Calibration Check . . . . . . . . . . . . . . . . . 5-3
Setting Alarm Setpoints . . . . . . . . . . . . 5-4
Installing/Replacing the Battery . . . . . . 5-4
Replacing Sensor Assembly. . . . . . . . . 5-5
Specifications . . . . . . . . . . . . . . . . . . . . 5-5
Table of Contents
TOC-4
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Interferant Data. . . . . . . . . . . . . . . . . . . 5-6
Replacement Parts . . . . . . . . . . . . . . . . 5-7
Special Instructions. . . . . . . . . . . . . . . . 5-7
Section 6
MiniCLO2TM Responder
Chlorine Dioxide Detector
(P/Ns 10020745 and 10020749). . . . . 6-1
Instructions for Use and Maintenance. 6-1
"WARNINGS . . . . . . . . . . . . . . . . . . 6-1
"CAUTIONS. . . . . . . . . . . . . . . . . . . 6-2
Turning ON/OFF. . . . . . . . . . . . . . . . . . 6-2
FAS (Fresh Air Setup) . . . . . . . . . . . . . 6-2
Gas Alarms. . . . . . . . . . . . . . . . . . . . . . 6-2
Low Battery Alarm . . . . . . . . . . . . . . . . 6-3
Vibrating Alarms . . . . . . . . . . . . . . . . . . 6-3
Backlight . . . . . . . . . . . . . . . . . . . . . . . . 6-3
Peak Readings . . . . . . . . . . . . . . . . . . . 6-3
Calibration Check . . . . . . . . . . . . . . . . . 6-3
Setting Alarm Setpoints . . . . . . . . . . . . 6-4
Installing/Replacing the Battery . . . . . . 6-5
Replacing Sensor Assembly. . . . . . . . . 6-5
Specifications . . . . . . . . . . . . . . . . . . . . 6-6
Interferant Data. . . . . . . . . . . . . . . . . . . 6-7
Replacement Parts . . . . . . . . . . . . . . . . 6-7
Special instructions. . . . . . . . . . . . . . . . 6-7
Table of Contents
TOC-5
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Section 7
Suggested Daily Use for All Units
(MiniCO unit shown) . . . . . . . . . . . . . 7-1
Table of Contents
TOC-6
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Section 1
MiniCO®Responder Carbon
Monoxide Detector (P/Ns 710424,
710510, 10008671 and 10008673)
Instructions for Use and Maintenance
"WARNINGS
FAILURE TO FOLLOW CAN RESULT IN
SERIOUS PERSONAL INJURY OR DEATH:
1. The MiniCO Responder is designed to
measure carbon monoxide in air only. Do
not use these detectors to sample for CO
in gases other than air.
2. Alarm functions must be checked and a
response check must be performed before
each day’s use. If the instrument fails the
response check and cannot be calibrated,
DO NOT use the instrument. The sensor
or battery must be replaced, or the
instrument must be serviced.
3. Calibration must be checked if the sensor
is replaced, if the battery is replaced, or if
the instrument is dropped or subjected to
severe physical shock.
4. The CO sensors are sealed units containing
sulfuric acid electrolyte. If a sensor
develops a leak, dispose of it properly.
Should contact occur with skin or clothing,
rinse area with large quantities of water. In
case of eye contact, immediately flush eyes
for at least 15 minutes, holding eyes open;
call a physician.
5. Do not change the battery in
hazardous locations.
6. Substitution of components may impair
intrinsic safety.
7. Once a high alarm condition is detected
and the alarms latch, the displayed
reading may not fall within the specified
accuracy range for the instrument.
Section 1, MiniCO Responder
1-1
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"CAUTIONS
To prevent sensor damage, store the
instrument under the following conditions:
INTERMITTENT
TEMPERATURE OPTIMAL
STORAGE
TEMPERATURE
-30oC to 50oC
(-20oF to 120oF) 4oC to 32oC (40oF to 90oF)
Turning ON/OFF
When unit is delivered, the battery is not
connected. See "Installing/Replacing the Battery"
later in this section prior to use. To turn the
instrument ON, press the Power/Peak button on
the left-hand side of the display. All segments of
the display light upon turn-ON. To turn OFF the
monitor, press and hold the Power/Peak button
for five seconds. After a series of beeps, the
display turns OFF.
NOTE: MiniCO Responder (P/Ns 710510 and
10008673) are designed in such a way
that the only way to turn the instrument
OFF is to disconnect the battery.
FAS (Fresh Air Setup)
Upon instrument turn-ON, the display flashes
"zero." While the "Zero" is flashing, pressing the
Zero button zeroes the instrument. The monitor
will not zero out background concentrations
greater than 5 ppm. If a concentration higher
than this is detected, the instrument will display
the actual concentration and not zero out the
background.
Gas Alarms
There are two levels of audible and visual
alarms. The warning level alarms are low-rate
intermittent and non-latching. This is indicated by
a "W" on the display and a beep approximately
every five seconds on P/N 710424 and every
Section 1, MiniCO Responder
1-2
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1/2-second on P/N 710510. The high level
alarms are high rate intermittent and latching.
This is indicated by an "A" on the display and a
beep approximately every 1/2-second.
NOTE: On MiniCO Responder (P/Ns 710510
and 10008673), the "A" alarm can be
changed to non-latching by setting the
alarm setpoint at 999 ppm.
To mute a Warning level, press the RESET
button. This silences the audible tone, but the
visual indicator remains. If a warning condition
remains, the tone will only be temporarily
silenced. It is not possible to mute the alarm
level while it persists. The alarm level can only
be reset once the concentration falls below the
alarm level.
Low Battery Alarm
The low battery alarm occurs when a minimum
of 24 hours of battery life remains. This is
indicated by a "B" on the display and a beep
approximately every 40 seconds.
Vibrating Alarms
Certain Responders are equipped with vibrating
alarms that cause the unit to vibrate each time
any alarm is activated.
Backlight
Pressing the Power Peak button briefly turns ON
the backlight for approximately 30 seconds.
Peak Readings
Press the Power Peak button briefly to turn ON
the backlight. The backlight will light. Anytime
the backlight is ON, briefly press the Power
Peak button again. The Peak (highest)
concentration of that sampling period will be
displayed along with a "P" for three seconds.
The Peak can be reset by turning the instrument
OFF or by performing a calibration.
Section 1, MiniCO Responder
1-3
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Calibration Check/Adjustment
Turn the unit ON and press and hold both the
Zero and Reset; then, Press the Power Peak
button. The descriptor "↑SET↓" will appear on
the display. The monitor will then automatically
zero out the background concentration (display
shows "Zero"). When this is complete, the
calibration gas can be added. Connect the
calibration cap to the sensor cap. Attach the
calibration gas to the cal cap. Turn on the gas.
Wait for the display reading to stabilize; then,
adjust the concentration on the display by
pressing the ↓(labeled Zero) or ↑ (labeled
Reset) to read the same as the concentration of
the cylinder of gas attached.
Once the display is reading the same as the
attached cylinder, press the Power Peak button
briefly to accept the reading. (Pressing and
holding the Power Peak at this point enables
setting of alarm setpoints; see "Setting Alarm
Setpoints.") Calibration is now complete; the gas
may be turned OFF and removed. If you will be
using the Peak function, turn the instrument
OFF and then ON to reset the Peak.
Setting Alarm Setpoints
If alarm setpoints have been engaged (see
above), you will see the descriptor "↓SET↑" at
the bottom of the display and the "W" will light.
The previous warning level will be displayed.
Press the ↓ (Zero) and ↑(Reset) to adjust the
reading to the new level which you desire; once
the reading shows this number, press the
Power Peak button to accept the reading. The
descriptor "↓SET↑" will then be displayed along
with an "A". The alarm level is entered by the
same method. After accepting the alarm level,
the monitor will then return to displaying the
concentration reading.
Section 1, MiniCO Responder
1-4
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Installing/Replacing the Battery
Remove belt clip by pressing the two tabs near
the top and releasing from the back. Remove
the two slotted head screws on the back of the
case, located under the clip. Remove the 9-V
battery from the snap connector and replace
with a fresh 9-V battery or install a fresh 9-V
battery for first time use. Replace the battery
cover and the two slotted screws and snap the
belt clip back. Wait one minute before turning
the instrument on and rezeroing it. The
instrument will not turn ON for 45 seconds. The
backlight is ON and --- is displayed during this
period.
"CAUTION
When installing the battery, be careful not
to press the Zero button. Pressing Zero
within oneminuteofbatteryinstallation can
cause an incorrect zeroing; the instrument
will show a positive value in fresh air and
must to be re-zeroed.
Replacing Sensor Assembly
Remove phillips screw from sensor assembly.
Rotate approximately 15oclockwise. Pull
assembly out. Remove the shorting bar from the
new assembly. Place the assembly into the
instrument. Rotate approximately 15o
counterclockwise. Insert phillips screw and
tighten. The sensor assembly can be opened if
you choose to replace only the sensor.
Hot Gas Sampling
(for use with MiniCO Responders only)
1. Connect Hot Gas Sampler (PN 803848) to the
sampling line.
2. Connect Aspirator Assembly (P/N 809964) to
the sampling line.
3. Attach the aspirator to Calibration Cap
(P/N 710492).
Section 1, MiniCO Responder
1-5
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•The calibration cap is fitted on the
instrument, over top of the sensor housing.
•Maximum sampling line length is 25 feet.
•Minimum sampling line length is 10 feet.
Specifications
RANGE 0-999 ppm,
over range indicated by - - -
RESPONSE TIME 90 seconds or less to 90% of final reading
TEMPERATURE
RANGE
(COMPENSATED) -10oC to 50oC (14oF to 122oF)
HUMIDITY 15 - 90% (non-condensing)
BATTERY LIFE 60 days
with five minutes of alarm per day
90 days with no alarm
WARM-UP TIME Less than five minutes when a new
sensor or battery is installed
ALARM RANGE 1 to 999
DIMENSIONS 4-1/8"(L) x 2-1/4"(W) x 1-3/4" (H)
WEIGHT 7 oz.
ACCURACY
+5 ppm (0-100 ppm) or 10% of gas
concentration (101-1000) at calibrated
temperature. +5 ppm (0-100) or 10% of
previous reading (101-1000) at 10oC
or +10 ppm or 20% of the previous
reading at 50oC, whichever is greater
dB LEVEL OF
ALARMS
(P/N 710424) 93 dB at one foot typical
dB LEVEL OF
ALARMS
(P/N 710510) 103 dB at one foot typical
Section 1, MiniCO Responder
1-6
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Interferant Data
This data is presented as the indicated output in ppm, which
would result from the application of 100 ppm of the test gas.
TEST GAS EQUIVALENT PPM
Carbon monoxide (CO) 100 +0
Hydrogen sulfide (H2S) 0
Chlorine (CL2)3+1
Nitrogen Dioxide (NO2)1+1
Sulfur dioxide (SO2)1+0
Hydrogen Cyanide (HCN) 1 +2
Hydrogen Chloride (HCL) 2 +1
Nitric Oxide (NO) 28 +11
Ethylene (C2H4)68+19
Hydrogen (H2)56+7
Methane (CH4)1+0
Ethanol (EtOH) 1 +2
Ethylene Oxide 0 +3
Toluene 0 +1
Ammonia (NH3)1+1
Replacement Parts
COMPONENT/ASSEMBLY PART NO.
CO Sensor 636240
CO Sensor Assembly 710490
9-V Battery 628817
Calibration Cap 710492
Battery Cover Door with slotted
screws 710493
Slotted Screwdriver 632655
Belt Clip 710489
Calibration Gas 60 ppm CO 461768
300 ppm CO 473180
Calibration Regulator 495895
Calibration Tubing, 30-inch 485030
Section 1, MiniCO Responder
1-7
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Section 2
MiniH2S®Responder
Hydrogen Sulfide Detector
(P/Ns 710850 and 10008672)
Instructions for Use and Maintenance
"WARNINGS
FAILURE TO FOLLOW CAN RESULT IN
SERIOUS PERSONAL INJURY OR DEATH.
1. The MiniH2S Responder is designed to
measure Hydrogen Sulfide in air only. Do
not use this monitor to sample for H2S in
gases other than air.
2. Alarm functions must be checked and a
response check must be performed daily. If
the instrument fails the response check and
cannot be calibrated, either the sensor must
be replaced, the battery must be replaced,
or the instrument must be serviced.
3. Calibration must be checked if the sensor
is replaced, if the battery is replaced, or if
the instrument is dropped or subjected to
severe physical shock.
4. The H2S sensor is a sealed unit containing
sulfuric acid electrolyte. If a sensor
develops a leak, dispose of it properly.
Should contact occur with skin or
clothing, rinse area with large quantities
of water. In case of eye contact,
immediately flush eyes for at least 15
minutes, holding eyes open; call
a physician.
5. Do not change battery in hazardous
locations.
6. Substitution of components may impair
intrinsic safety.
7. Once a high alarm condition is detected
and the alarms latch, the displayed
reading may not fall within the specified
accuracy range for the instrument.
Section 2, MiniH2S Responder
2-1
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

"CAUTIONS
To prevent sensor damage, store the
instrument under the following conditions:
INTERMITTENT
TEMPERATURE OPTIMAL
STORAGE
TEMPERATURE
-30oC to 50oC
(-20oF to 120oF) 4oC to 32oC (40oF to 90oF)
Turning ON/OFF
When unit is delivered, the battery is not
connected. See "Installing/Replacing the Battery"
later in this section prior to use. To turn the
instrument ON, press the Power/Peak button on
the left-hand side of the display. All segments of
the display light upon turn-ON. To turn OFF the
monitor, press and hold the Power/Peak button
for five seconds. After a series of beeps, the
display turns OFF.
FAS (Fresh Air Setup)
Upon instrument turn-ON, the display flashes
"Zero." While the "Zero" is flashing, pressing the
Zero button zeroes the instrument. The monitor
will not zero out background concentrations
greater than 5 ppm. If a concentration higher
than this is detected, the instrument will display
the actual concentration and not zero out the
background.
Gas Alarms
There are two levels of audible and visual
alarms. The warning level alarms are low rate
intermittent and non-latching. This is indicated by
a "W" on the display and a beep approximately
every five seconds. The high level alarms are
high rate intermittent and latching. This is
indicated by an "A" on the display and a beep
approximately every 1/2-second.
Section 2, MiniH2S Responder
2-2
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To mute a Warning level, press the RESET button.
This silences the audible tone, but the visual
indicator remains. If a warning condition remains,
the tone will only be temporarily silenced. It is not
possible to mute the alarm level while it persists.
The alarm level can only be reset once the
concentration falls below the alarm level.
Low Battery Alarm
The low battery alarm occurs when a minimum
of 24 hours of battery life remains. This is
indicated by a "B" on the display and a beep
approximately every 40 seconds.
Vibrating Alarms
Certain Responders are equipped with vibrating
alarms that cause the unit to vibrate each time
any alarm is activated.
Backlight
Pressing the Power Peak button briefly turns ON
the backlight for approximately 30 seconds.
Peak Readings
Press the Power Peak button briefly to turn ON
the backlight. The backlight will light. Anytime
the backlight is ON, briefly press the Power
Peak button again. The Peak (highest)
concentration of that sampling period will be
displayed along with a "P" for three seconds.
The Peak can be reset by turning the instrument
OFF or performing a calibration.
Calibration Check
While the instrument is turned ON, press and
hold both the Zero and Reset; then, press the
Power Peak button. The descriptor "↑SET↓" will
appear on the display. The monitor then
automatically zeroes out the background
concentration (display shows "Zero"). When this
is complete, the calibration gas can be added.
Section 2, MiniH2S Responder
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Connect the calibration cap to the sensor cap.
Attach the calibration gas to the cal cap. Turn
ON the gas. Wait for the display reading to
stabilize; then, adjust the concentration on the
display by pressing the ↓ (labeled Zero) or ↑
(labeled Reset) to read the same as the
concentration of the cylinder of gas attached.
Once the display is reading the same as the
attached cylinder, press the Power Peak button
briefly to accept the reading. (Pressing and
holding the Power Peak at this point enables
setting of alarm setpoints; see "Setting Alarm
Setpoints.") Calibration is now complete and the
gas may be turned OFF and removed. If you
will be using the Peak function, turn the
instrument OFF; the Peak value will be reset.
Setting Alarm Setpoints
If alarm setpoints have been engaged (see
above), the descriptor "↑SET↓" appears at the
bottom of the display and the "W" lights. The
previous warning level displays. Press the ↓
(Zero) and ↑ (Reset) to adjust the reading to the
new desired level; once the reading shows this
number, press the Power Peak button to accept
the reading. The descriptor "↑SET↓" displays
along with an "A." The alarm level is entered by
the same method. After accepting the alarm
level, the monitor returns to displaying the
concentration reading.
Installing/Replacing the Battery
Remove belt clip by pressing the two tabs near
the top and releasing from the back. Remove
the two slotted head screws on the back of the
case, located under the clip. Remove the 9-V
battery from the snap connector and replace
with a fresh 9-V battery or install a fresh 9-V
battery for first-time use. Replace the battery
cover and the two slotted screws; snap the belt
clip back. Wait one minute before turning the
instrument ON and zeroing it. The instrument
will not turn ON for 45 seconds. The backlight is
ON and --- is displayed during this period.
Section 2, MiniH2S Responder
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Replacing Sensor Assembly
Remove phillips screw from sensor assembly.
Rotate approximately 15oclockwise. Pull assembly
out. Remove the shorting bar from the new
assembly. Place the assembly in the instrument
and rotate approximately 15ocounterclockwise;
insert the phillips screw and tighten.
Specifications
RANGE 0-5000 ppm,
over range indicated by - - -
RESPONSE
TIME 90 seconds or less to 90% of final reading
TEMPERATURE
RANGE
(COMPENSATED
-10oC to 40oC (14oF to 104oF)
40oC to 50oC if calibrated at
temperature of use and
recalibrated again if temperature
drops within the compensated
range
HUMIDITY
LIMITS 15 - 90% (non-condensing)
BATTERY LIFE 60 days
with five minutes of alarm per day
90 days with no alarm
WARM-UP TIME Less than five minutes when a
new sensor or battery is installed
ALARM RANGE 0 to 500
DIMENSIONS 4-1/8"(L) x 2-1/4"(W) x 1-3/4" (H)
WEIGHT 7 oz.
ACCURACY
+2 ppm or 10% of gas
concentration, whichever is greater
(0-500 ppm) at calibrated
temperature. +4 ppm (0-50 ppm)
or 10% of reading of previous
stable concentration (51-500 ppm)
over range or -10oC to 40oC. +4
ppm (0-50 ppm) or 20% of reading
of previous stable concentrations
(51-500 ppm) from 40oC to 50oC
dB LEVEL OF
ALARMS 93 dB at one foot typical
Section 2, MiniH2S Responder
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