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Summary of Contents for RKI Instruments 65-2423RK-05
- Page 1 65-2423RK-05 Hydrogen Sulfide Detector Operator’s Manual Part Number: 71-0126RK Revision: B Released: 7/6/20 www.rkiinstruments.com...
- Page 2 Typical calibration frequen- cies for most applications are between 3 and 6 months, but can be required more often or less often based on your usage. 2 • 65-2423RK-05 H S Detector...
- 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 ..............17 4 • 65-2423RK-05 H... -
Page 5: Overview
WARNING: When using the 65-2423RK-05, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2423RK-05 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 65-2423RK-05 as described in this manual. -
Page 6: Description
Rubber Boot and Spacer A rubber boot and spacer are installed between the detector housing cap and the sensor. They help ensure that the detector remains plugged into the detector housing body. 6 • 65-2423RK-05 H S Detector... -
Page 7: Sensor
• Select a site where the target gas is likely to be found first. NOTE: If your application does not require a specific mounting site, mount the detector at approximately breathing level. 65-2423RK-05 H S Detector • 7... - Page 8 NOTE: If the mounting site requires the detector installation to be explosion proof, you must install the detector in a junction box with an internal volume less than or equal to 69 cubic inches and rated explosion proof for Class I, Groups B, C, and D. 8 • 65-2423RK-05 H S Detector...
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Page 9: Wiring The H 2 S Detector To A Controller
H S detector. WARNING: If the controller’s construction is not explosion-proof, the controller must be installed in an ordinary location. Do non install a non-explosion-proof controller in a classified location. 65-2423RK-05 H S Detector • 9... - Page 10 10. 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. 11. Reinstall the junction box cover. 10 • 65-2423RK-05 H S Detector...
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Page 11: Startup
S, start up is complete. The detector is in normal operation. If the display reading is not 0 ppm H S, continue with step 3. 3. Perform a zeroing operation at the controller. See the controller operator’s manual for directions. 65-2423RK-05 H S Detector • 11... -
Page 12: Maintenance
If the fail condition continues, contact RKI for further instruction. Slow or No Response/Difficult or Unable to Calibrate Symptoms • Unable to accurately set the zero or response reading during the calibration procedure. • The detector requires frequent calibration. 12 • 65-2423RK-05 H S Detector... -
Page 13: Replacing Components Of The H S Detector
1. Verify that the calibration cylinder contains an adequate supply of a fresh test sample. 2. If the calibration/response difficulties continue, replace the H S sensor as described later in this section. 3. If the calibration/response difficulties continue, contact RKI Instruments, Inc. for further instruction. Replacing Components of the H S Detector... - Page 14 If the detector is installed remotely from a controller in a junction box, connect the detector leads to the terminal block the same way the old detector was wired. See the controller operator’s manual and the controller’s detector head specification sheet for the 14 • 65-2423RK-05 H S Detector...
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Page 15: Calibration Frequency
It describes calibration using a calibration kit that includes a calibration cup, calibration gas, sample tubing, and a fixed flow regulator with an on/off knob. RKI Instruments, Inc. recommends using a 0.5 LPM (liters per minute) fixed flow regulator. -
Page 16: Setting The Zero Reading
NOTE: If you do not allow the gas reading decrease below the alarm points, then unwanted alarms may occur. 2. Verify that the controller display reading decreases and stabilizes at 0 ppm H 3. Store the components of the calibration kit in a safe and convenient place. 16 • 65-2423RK-05 H S Detector... -
Page 17: Parts List
14-2101RK Spacer between sensor and rubber boot 65-2423RK-05 S replacement detector assembly (includes sensor) 71-0126RK S Detector Operator’s Manual (this document) 65-2423RK-05 H 81-0076RK Zero air calibration cylinder, 17 liter 81-0076RK-01 Zero air calibration cylinder, 34 liter steel 81-0076RK-03 Zero air calibration cylinder, 103 liter...
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