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Summary of Contents for RKI 65-2390RK
- Page 1 65-2390RK Combustible Gas Transmitter Operator’s Manual Part Number: 71-0119RK Revision: A Released: 4/12/11 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 2 Typical calibration frequencies for most applications are between 6 and 12 months, but can be required more often or less often based on your usage. 65-2390RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com...
- Page 3 Product Warranty RKI Instruments, Inc., warrants gas alarm equipment sold by us to be free from defects in materials, workmanship, and performance for a period of one year from date of shipment from RKI Instruments, Inc. Any parts found defective within that period will be repaired or replaced, at our option, free of charge.
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Page 4: Table Of Contents
Parts List ..............15 65-2390RK Combustible Gas Transmitter GlobalTestSupply www. -
Page 5: Overview
± 5% of reading or ± 2% of full scale (whichever is greater) WARNING: When using the 65-2390RK, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2390RK and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 65-2390RK as described in this manual. -
Page 6: Description
Description The 65-2390RK combustible gas transmitter has two versions, the 65-2390RK-CH4 which is calibrated to methane and the 65-2390RK-HC which is calibrated to propane. The transmitter utilizes an infrared type of detector which has some advantages over a catalytic type of combustible detector. The infrared detector will generally have a longer... -
Page 7: Amplifier
Use the junction box’s two mounting holes to mount the combustible gas transmitter to a vertical surface at the monitoring site. Use the cover on the front of the junction box to access the interior of the junction box. 65-2390RK Combustible Gas Transmitter • 3 GlobalTestSupply www. -
Page 8: Installation
Screw the detector into the bottom conduit hub of the junction box. At the monitoring site, use #10 screws through the junction box’s two mounting holes to secure the junction box to a vertical surface. 4 • 65-2390RK Combustible Gas Transmitter GlobalTestSupply www. -
Page 9: Wiring The Combustible Gas Transmitter
Connect the wires to the applicable transmitter terminal strip at the controller as shown in Figure 3 below. 65-2390RK Combustible Gas Transmitter • 5 GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 10 Green Figure 3: Wiring the Combustible Gas Transmitter to a Controller 10. If shielded cable is used, connect the cable’s drain wire to an available chassis ground at the controller. 6 • 65-2390RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at:...
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Page 11: Startup
4-20 mA output is stabilizing and may be above the controller alarm points or well below zero momentarily. RKI controllers have a one minute warmup period when the controller does not display any gas reading or give any alarm indication. -
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 test point labeled TP+; plug the negative lead into the test point labeled TP-. 8 • 65-2390RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... - Page 13 11. Store the components of the calibration kit in a safe place. Biannually Calibrate the combustible gas transmitter as described in “Calibration” on page 13 of this manual. 65-2390RK Combustible Gas Transmitter • 9 GlobalTestSupply www. .com Find Quality Products Online at:...
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Page 14: Troubleshooting
RKI for further frequent calibration. instruction. Note: Under “normal” circumstances, the transmitter requires calibration once every six months. Some applications may require a more frequent calibration schedule. 10 • 65-2390RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 15: Replacing Components Of The Combustible Gas Transmitter
4-20 mA output is stabilizing and may be above the controller alarm points or well below zero momentarily. RKI controllers have a one minute warmup period when the controller does not display any gas reading or give any alarm indication. - Page 16 4-20 mA output is stabilizing and may be above the controller alarm points or well below zero momentarily. RKI controllers have a one minute warmup period when the controller does not display any gas reading or give any alarm indication.
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Page 17: Calibration Frequency
6 months is adequate for most infrared combustible gas transmitter applications. Unless experience in a particular application dictates otherwise, RKI Instruments, Inc. recommends a calibration frequency of every 6 months for the infrared combustible gas transmitter. -
Page 18: Setting The Zero Reading
NOTE: For convenience, leave the regulator and calibration cup connected by the sample tubing. Secure the junction box cover to the junction box. When the display reading falls below the alarm setpoints, return the controller to 14 • 65-2390RK Combustible Gas Transmitter GlobalTestSupply www. .com Find Quality Products Online at: sales@GlobalTestSupply.com... -
Page 19: Parts List
Methane transmitter (includes detector, junction box, and amplifier) 65-2390RK-HC Propane transmitter (includes detector, junction box and amplifier) 71-0119RK 65-2390RK Combustible Gas Transmitter Operator’s Manual (this document) 81-0004RK-01 Calibration cylinder (50% LEL propane; 34-liter) 81-0012RK-01 Calibration cylinder (50% LEL Methane; 34-liter)
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