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RKI Instruments, Inc.

www.rkiinstruments.com

65-2427-05-01

Hydrogen Sulfide Detector

Operator’s Manual

Part Number: 71-0454

Revision: 0

Released: 6/15/20

Summary of Contents for 65-2427-05-01

Page 1: ...RKI Instruments Inc www rkiinstruments com 65 2427 05 01 Hydrogen Sulfide Detector Operator s Manual Part Number 71 0454 Revision 0 Released 6 15 20...

Page 2: ...calibration and maintenance of the detector is essential for proper operation and correct readings Please calibrate and maintain this detector regularly Frequency of calibration depends upon the type...

Page 3: ...nt costs local repair costs transportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRE...

Page 4: ...Wiring the H2S Detector to a Controller 10 Startup 12 Introducing Incoming Power 12 Setting the Zero Signal 12 Maintenance 13 Preventive Maintenance 13 Troubleshooting 13 Replacing Components of the H...

Page 5: ...instructions and warnings in this manual to assure proper and safe operation of the 65 2427 05 01 and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 65 2427...

Page 6: ...section describes the components of the 65 2427 05 01 H2S detector The 65 2427 05 01 consists of the 65 2428 01 H2S detector and junction box Figure 1 H2S Detector Component Location Terminal Block R...

Page 7: ...sing and cap A flame arrestor guard is permanently bonded to the cap Two wires extend from the top of the detector housing body Use these wires to connect the H2S detector to the junction box terminal...

Page 8: ...install a calibration cup on the detector during calibration The terminal block within the junction box facilitates the wiring process A cover on the front of the junction box allows access to the int...

Page 9: ...e Mounting Dimensions 2 At the monitoring site you select hang or mount the junction box with the detector facing down see Figure 3 38 75 3 10 Rubber Spacers 3X 3 4 NPT Female 3 65 1 1 2 20 Thread for...

Page 10: ...hazardous location rating of the junction box The junction box is rated NEMA 4X and Class 1 Division 1 Groups B C D 5 Connect the two wires to the detector using the 2 point terminal block CAUTION If...

Page 11: ...ing the H2S Detector to a Controller 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 co...

Page 12: ...g cap or junction box cover while the circuits are energized unless the area is determined to be non hazardous Keep the detector housing cap and junction box cover tightly closed during operation CAUT...

Page 13: ...the H2S detector NOTE This troubleshooting guide describes detector problems only See the controller operator s manual for problems you may encounter with the controller Table 2 Troubleshooting the H2...

Page 14: ...or No Response Difficult or Unable to Calibrate Unable to accurately set the zero or response reading during calibration Detector requires frequent calibration Note Under normal circumstances the dete...

Page 15: ...ibration section of this manual Replacing the H2S Detector NOTE In most cases it is only necessary to replace the H2S sensor 1 Turn off the controller 2 Turn off or unplug power to the controller 3 Re...

Page 16: ...ample if the environment is not well controlled then more frequent calibration than every 3 months may be necessary Calibration This section describes how to calibrate the H2S detector It includes pro...

Page 17: ...2S gas cylinder If necessary to fit the H2S calibration gas cylinder change the regulator Setting the Span Reading 8 Follow the directions in the controller operator s manual for setting the response...

Page 18: ...bber spacers 65 2039RK H2S replacement sensor 65 2427 05 01 H2S detector j box CSA classified 65 2428 01 H2S detector with plug in sensor 71 0454 65 2427 05 01 H2S Detector Operator s Manual this docu...

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