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1. Scope
These instructions describe how to replace the IR
sensor in the Portable Gas Monitor (example shown in
Figure 1). It is assumed that the user is familiar with
the operation of the appropriate monitor model. If
necessary, refer to the corresponding instruction
manual for detailed operation and maintenance
information. Table 1 provides a list of the appropriate
instructions and parts necessary for each model, and
additional
information
(supported gas types and internal bladder bag
presence).
IR Sensor (Bench)
Figure 1. Sample Replacement IR Sensor (Left) and PGM-IR in Soft Case (Right)
Table 1: Part Number Information
PGM-IR
Supported
Model
Gas Type
3015-5148
3015-4484
3415-5420
3015-5696
Refrigerant
3015-8000
3015-8003
3015-8001
3015-8002
* Not for individual sale.
NOTE: The solo IR sensor part numbers in Table 1 are used for ID purposes only. To order a
replacement kit for your sensor, use the IR Sensor Replacement Kit part number.
example, to order a replacement kit for a solo sensor labeled with model number 3015-5087,
order IR Sensor Replacement Kit 3015-5509.
Instruction 3015-5508 (Rev 2)
Portable Gas Monitor (PGM-IR)
to
assist
in
identification
IR Sensor
Replacement
Kit
SF
3015-5509
6
3015-4721
CO
3015-5759
2
Infrared Sensor Replacement
Solo IR
Sensor*
3015-5087
3015-5086
3015-5090
Instruction 3015-5508
Rev. 2 – March 2013
Patent 6,590,690
Purge Air
Instruction
(Bladder)
Manual
Bag?
3015-5150
Yes
3015-4584
3015-5466
No
3015-9000
For
1
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Related Manuals for Bacharach PGM-IR
Summary of Contents for Bacharach PGM-IR
- Page 1 (supported gas types and internal bladder bag presence). IR Sensor (Bench) Patent 6,590,690 Figure 1. Sample Replacement IR Sensor (Left) and PGM-IR in Soft Case (Right) Table 1: Part Number Information IR Sensor Purge Air PGM-IR Supported Solo IR...
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Page 2: Items Required
Portable Gas Monitor (PGM-IR) Infrared Sensor Replacement Figure 2. Internal Components Showing the IR Sensor (Bench) of a PGM-IR 2. Items Required • IR Sensor Replacement Kit which includes: IR sensor assembly (p/n: see Table 1) cable ties, qty: 2... - Page 3 Portable Gas Monitor (PGM-IR) Infrared Sensor Replacement Figure 3. Disassembling the Chassis 4. Remove the IR Sensor Step Description Review the internal components of the monitor, shown below, before proceeding. Note that Figure 4 shows R37 – an analog potentiometer which is used to adjust the IR emitter drive level.
- Page 4 Portable Gas Monitor (PGM-IR) Infrared Sensor Replacement Figure 5. Monitor Components in Various PGM-IR Models Step Description Disconnect the tubing from the purge-air bag “T”-fitting, and then lay aside the chassis-half containing the purge-air bag. (This step does not apply to models without the purge air bladder bag.)
- Page 5 Portable Gas Monitor (PGM-IR) Infrared Sensor Replacement 5. Install the New IR Sensor Step Description Record calibration label information (found on the new IR sensor) into Table 2 for use later in this procedure. Refer to Figure 6. Note that calibration information is dependent on the gas type supported by the IR sensor.
- Page 6 Portable Gas Monitor (PGM-IR) Infrared Sensor Replacement 6. Adjust Power Level for IR Emitter Step Description To access the monitor’s set-up mode and display the IR emitter power adjustment screen, locate and view the Portable Monitor’s display. With the monitor in its MEASURE mode, press both the LEFT and RIGHT buttons simultaneously to display the FUNCTION MENU screen.
- Page 7 Portable Gas Monitor (PGM-IR) Infrared Sensor Replacement 8. Update Calibration Information Step Description Scroll to TEMPCOS and press ENTER. Enter your recorded TEMPCO value from Table 2 using the keypad buttons. Press ENTER to save the new value. •...
- Page 8 Portable Gas Monitor (PGM-IR) Infrared Sensor Replacement World Headquarters: 621 Hunt Valley Circle, New Kensington, PA 15068-7074 USA Toll Free: 1-800-736-4666 • Phone: +1-724-334-5000 • Fax: +1-724-334-5001 Website: www.MyBacharach.com • E-mail: help@MyBacharach.com Instruction 3015-5508 (Rev 2)