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Summary of Contents for Itm 65-2391RK
- Page 1 65-2391RK Transmitter Operator’s Manual Part Number: 71-0121RK Revision: B Released: 7/18/14 1.800.561.8187 information@itm.com www. .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. 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www.
- 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. 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www.
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Page 4: Table Of Contents
Parts List ..............15 65-2391RK CO Transmitter 1.800.561.8187... -
Page 5: Overview
± 5% of reading or ± 2% of full scale (whichever is greater) WARNING: When using the 65-2391RK, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2391RK and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 65-2391RK as described in this manual. -
Page 6: Description
The following table indicates the color of the shrink tubing and the color of the wire to which it is applied. 2 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com... -
Page 7: Amplifier
(see Figure 1). The test points produce a 100 to 500 mV output that corresponds to the transmitter’s 4 to 20 mA output. Use the test points and a voltmeter to measure the transmitter’s output during the start-up and calibration procedures. 65-2391RK CO Transmitter • 3 1.800.561.8187 information@itm.com... -
Page 8: Junction Box
.25 Dia. Mounting 5.20 Hole, 2X 3.94 3/4 NPT Conduit 2.75 5.46 6.10 7.3 Max 3/4 NPT For Calibration Cup NOTE: All Dimensions in Inches 1.10 Figure 2: Mounting the CO Transmitter 4 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www. .com... -
Page 9: Wiring The Co 2 Transmitter
CAUTION: Do not route power and transmitter wiring through the same conduit hub. The power cable may disrupt the transmission of the transmitter signal to the controller. 65-2391RK CO Transmitter • 5 1.800.561.8187 information@itm.com www. -
Page 10: Startup
Turn on or plug in power to the controller, then place the controller’s power switch in the ON position. Verify that the controller is on and operating properly. Refer to the controller operator’s manual. 6 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www. -
Page 11: Setting The Zero Signal
10. Unscrew the regulator from the 100% nitrogen calibration cylinder. 11. Unscrew the calibration cup from the detector. 12. Reinstall the junction box cover. 13. Return the controller to normal operation or enable external alarms. 65-2391RK CO Transmitter • 7 1.800.561.8187 information@itm.com www. -
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 8 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www. - Page 13 11. Store the components of the calibration kit in a safe place. Biannually Calibrate the CO transmitter as described in “Calibration” on page 13 of this manual. 65-2391RK CO Transmitter • 9 1.800.561.8187 information@itm.com www. .com...
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Page 14: Troubleshooting
• Transmitter requires continue, contact 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 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www. .com... -
Page 15: Replacing Components Of The Co 2 Transmitter
10. Calibrate the replacement detector as described in “Calibration” on page 13 of this manual. Replacing the Amplifier Turn off power to the controller Place the controller’s power switch in the OFF position. 65-2391RK CO Transmitter • 11 1.800.561.8187 information@itm.com www. - Page 16 Detector to the Amplifier Amplifier Interconnect Detector Lead Terminal Strip White Green Black 12. Turn on power to the controller. 13. Turn on the controller and place it into normal operation. 12 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www. .com...
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Page 17: Calibration Frequency
Use the sample tubing that comes with the calibration kit to connect the regulator to the calibration cup. Set a voltmeter to measure in the millivolt (mV) range. Remove the junction box cover, then plug the voltmeter leads into the test points on 65-2391RK CO Transmitter • 13 1.800.561.8187 information@itm.com www. -
Page 18: Setting The Zero Reading
(±2 mV) you determined earlier. If necessary, use the span potentiometer on the amplifier to adjust the reading to match the correct response reading. Turn the regulator knob clockwise to close the regulator. Unscrew the regulator from the calibration cylinder. 14 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www. -
Page 19: Returning To Normal Operation
0 - 50% Volume (includes detector, junction box, and amplifier) 65-2391RK-10 transmitter, 0 - 100% Volume (includes detector, junction box, and amplifier) 71-0121RK 65-2391RK CO2 Transmitter Operator’s Manual (this document) 81-0070RK-01 Steel calibration cylinder, 2,000 ppm CO , 34-liter 81-0072RK-01 Steel calibration cylinder, 2.5% CO... - Page 20 , 34-liter 81-0076RK-01 Zero air calibration cylinder (34-liter) 81-1050RK Regulator, 0.5 liter/minute, with gauge and knob, for 17- and 34-liter calibration cylinders 81-1103RK Calibration cup 82-0006RK Pot adjust screwdriver, for calibration 16 • 65-2391RK CO Transmitter 1.800.561.8187 information@itm.com www. .com...
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