Summary of Contents for Global Test Supply 65-2405RK
- Page 1 65-2405RK Combustible Gas Transmitter Operator’s Manual Part Number: 71-0132RK Revision: B Released: 2/16/11 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 Typical calibration frequencies for most applications are between 3 and 6 months, but can be required more often or less often based on your usage. 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 3 RKI Instruments, Inc. We do not assume indemnification for any accident or damage caused by the operation of this gas monitor, and our warranty is limited to the replacement of parts or our complete goods. 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 4: Table Of Contents
Parts List ..............15 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. -
Page 5: Overview
WARNING: When using the 65-2405RK, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2405RK and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 65-2405RK as described in this manual. -
Page 6: Description
(flame arrestor end). The rainshield helps protect the detector from rain and debris in the monitoring environment. Four color-coded leads extend from the top of the detector. The leads allow you to connect the detector to the amplifier. 2 • 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. -
Page 7: Amplifier
Use the cover on the front of the junction box to access the interior of the junction box. The detector and amplifier are factory installed in the junction box. Three spacers installed on the back of the junction box control the distance of the junction box 65-2405RK Combustible Gas Transmitter • 3 GlobalTestSupply www. -
Page 8: Installation
Detector Figure 2: Mounting the Combustible Gas Transmitter At the monitoring site you select, hang or mount the junction box with the detector facing down (see Figure 2). 4 • 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at:... -
Page 9: Wiring The Combustible Gas Transmitter
The power cable may disrupt the transmission of the transmitter signal to the controller. 11. Connect the wires to the applicable detector/transmitter terminal strip at the controller as shown in Figure 3 65-2405RK Combustible Gas Transmitter • 5 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 10 12. If shielded cable is used, connect the cable’s drain wire to an available chassis (earth) ground at the controller. RKI controllers typically have a ground stud that can be used to ground the cable’s drain wire. 6 • 65-2405RK Combustible Gas Transmitter GlobalTestSupply www.
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Page 11: Startup
If necessary, use a small flat-blade screwdriver to adjust the zero pot until the voltmeter reading is 100 mV (±2 mV). Remove the voltmeter leads from the test points. Secure the junction box cover to the junction box. 65-2405RK Combustible Gas Transmitter • 7 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 12: Maintenance
Remove the junction box cover, then plug the voltmeter leads into the test points on the amplifier. Plug the positive lead into the red + test point; plug the negative lead into the black - test point. 8 • 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 13: Troubleshooting
NOTE: This troubleshooting guide describes transmitter problems only. See the controller operator’s manual for problems you may encounter with the controller. 65-2405RK Combustible Gas Transmitter • 9 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 14: Replacing Components Of The Combustible Gas Transmitter
Unscrew the detector from the junction box. Guide the detector leads of the replacement detector through the bottom conduit hub of the junction box, then screw the mounting threads of the detector into the conduit hub. 10 • 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 15 Amplifier Controller Transmitter Terminal Terminal Strip Strip (typical) PWR/SIG “-” - (DC -) PWR/SIG “S” S (4 - 20 mA In) PWR/SIG “+” + 24V 65-2405RK Combustible Gas Transmitter • 11 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
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Page 16: Calibration Frequency
3 months may be necessary. If potential catalyst poisons are known or likely to be present, more frequent calibration than every 3 months will be necessary. 12 • 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. -
Page 17: Calibration
Allow the gas to flow for one minute and verify a reading of 100 mV (±2 mV). If necessary, use the zero pot on the amplifier to adjust the reading to 100 mV (±2 mV). 65-2405RK Combustible Gas Transmitter • 13 GlobalTestSupply www. -
Page 18: Setting The Response Reading
When the controller display reading falls below the alarm setpoints, return the controller to normal operation. Verify that the controller display reading decreases and stabilizes at 0 %LEL. Store the components of the calibration kit in a safe and convenient place. 14 • 65-2405RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 19: Parts List
65-2405RK Combustible gas transmitter (includes detector and amplifier; specify target gas when ordering) 71-0132RK 65-2405RK Combustible Gas Transmitter Operator’s Manual (this document) 81-0002RK-01 Steel calibration cylinder, 50% LEL hydrogen in air, 34-liter 81-0007RK-01 Steel calibration cylinder, 15% LEL hexane in air, 34-liter...
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