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Summary of Contents for RKI Instruments 61-1001-05SS
- Page 1 61-1001-05SS Hydrogen Detector Operator’s Manual Part Number: 71-0664 Revision: P1 Released: 2/8/24 RKI Instruments, Inc. www.rkiinstruments.com...
- Page 2 For most applications, typical calibration frequencies are between 3 and 6 months but can be more often or less often based on your usage. 2 • 61-1001-05SS Hydrogen Detector Operator’s Manual...
- Page 3 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. Warranty covers parts and labor performed at RKI Instruments, Inc. only, and does not cover field labor or shipment of parts back to RKI.
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Page 4: Table Of Contents
Parts List ............17 4 • 61-1001-05SS Hydrogen Detector Operator’s Manual... -
Page 5: Overview
Accuracy ± 5% of reading or ± 2% LEL (whichever is greater) WARNING: When using the 61-1001-05SS, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 61-1001-05SS and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 61-1001-05SS as described in this manual. -
Page 6: Description
Description This section describes the components of the 61-1001-05SS detectors. The 61-1001-05SS includes the NC-6205-05 hydrogen detector, a calibration cup with diffuser holes, and a junction box. A four point terminal strip is provided inside the junction box for detector connections. -
Page 7: Junction Box
• Select a site where the target gas is likely to be found first. For hydrogen, which is lighter than air, mount the detector near the ceiling or where hydrogen is most likely to accumulate. 61-1001-05SS Hydrogen Detector Operator’s Manual Installation • 7... -
Page 8: Wiring The Hydrogen Detector
Use appropriate conduit fittings and construction technique for the environmental rating and hazardous location classification of the junction box. The junction box is rated NEMA 4X and classified explosion proof for Class I, Groups B, C, and D. 8 • Installation 61-1001-05SS Hydrogen Detector Operator’s Manual... - Page 9 61-1001-05SS detector. 9. If using shielded cable, connect the cable’s drain wire to an available chassis ground at the controller. RKI controllers typically have a ground stud that is a convenient grounding location. 61-1001-05SS Hydrogen Detector Operator’s Manual Installation • 9...
- Page 10 Controller White Detector Green Terminals Black Cable Shield Terminal Strip Black Green Detector Wires White J-Box Hydrogen %LEL Detector Figure 3: Wiring the Hydrogen Detector to a Controller 10 • Installation 61-1001-05SS Hydrogen Detector Operator’s Manual...
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Page 11: Startup
If the display reading is 0% LEL, start up is complete. The hydrogen detector is in normal operation. If the display reading is not 0% LEL, continue with step 3. 3. Perform a zeroing operation at the controller. See the controller operator’s manual for directions. 61-1001-05SS Hydrogen Detector Operator’s Manual Start Up • 11... -
Page 12: Maintenance
• The detector zero replace the detector. signal is low enough 4. If the fail condition continues, to cause a fail contact RKI for further condition. instruction. • The detector is malfunctioning. 12 • Maintenance 61-1001-05SS Hydrogen Detector Operator’s Manual... -
Page 13: Replacing The Hydrogen Detector
Figure 3). See the controller operator’s manual and the controller’s detector head specification sheet for the 61-1001-05SS detector to verify the connections to the controller are correct. 8. Reinstall the junction box cover. 9. Turn on or plug in power to the controller. -
Page 14: Calibration Frequency
Although there is no particular calibration frequency that is correct for all applications, a calibration frequency of every 3 to 6 months is adequate for most hydrogen detector applications. Unless experience in a particular application dictates otherwise, RKI Instruments, Inc. recommends a calibration frequency of every 3 months. -
Page 15: Calibration
4. Allow zero air to flow for the length of time determined in “Determining Response Time” on page 14. 5. Set the zero reading according to the controller operator’s manual. 61-1001-05SS Hydrogen Detector Operator’s Manual Calibration • 15... -
Page 16: Setting The Response Reading
NOTE: If you do not allow the gas reading to decrease below the alarm points, then unwanted alarms may occur. 3. Verify that the controller display reading decreases and stabilizes at 0 %LEL. 4. Store the components of the calibration kit in a safe and convenient place. 16 • Calibration 61-1001-05SS Hydrogen Detector Operator’s Manual... -
Page 17: Parts List
Parts List Table 3 lists replacement parts and accessories for the 61-1001-05SS hydrogen detector. Table 3: Parts List Part Number Description 06-1248RK Calibration kit sample tubing (3/16 in. x 5/16 in.; specify length when ordering) 07-7151RK O-ring for junction box...
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