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Summary of Contents for RKI 65-2331-04
- Page 1 65-2331-04 Hydrogen Sulfide Transmitter Operator’s Manual Part Number: 71-0440 Revision: P1 Released: 9/15/17 RKI Instruments, Inc. www.rkiinstruments.com...
- Page 2 Typical calibration frequencies for most applications are between 3 and 6 months, but can be required more often or less often based on your usage. 65-2331-04 H S Transmitter...
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Page 3: Product Warranty
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. -
Page 4: Table Of Contents
Parts List ..............21 65-2331-04 H... -
Page 5: Overview
WARNING: When using the 65-2331-04, you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65-2331-04 and to minimize the risk of personal injury. Be sure to maintain and periodically calibrate the 65-2331-04 as described in this manual. -
Page 6: Description
Amplifier Terminal Strip Amplifier J-Box Detector J-Box Hydrogen Sulfide Detector Calibration Adapter/Splash Guard Figure 1: H S Transmitter Component Location 2 • 65-2331-04 H S Transmitter... -
Page 7: H 2 S Detector
A cap gasket seals the interface between the housing and cap. 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. 65-2331-04 H S Transmitter • 3... -
Page 8: Calibration Adapter/Splash Guard
Detector Terminal Strip The detector terminal strip is a four-point plug-in style terminal strip near the bottom of the amplifier. Use the detector terminal strip to connect the H S detector to the amplifier. 4 • 65-2331-04 H S Transmitter... -
Page 9: Amplifier Junction Box
This wiring should go through the top 3/4” conduit hub. Three spacers installed on the back of the junction box controls the distance of the junction box from a mounting surface. 65-2331-04 H S Transmitter • 5... -
Page 10: Installation
Amplifier junction box dimensions are shown in Figure 4. Detector junction box dimensions are shown in Figure 5. Ø3.65 2.70 3/4 Conduit Hub 5.25 Rubber Spacer, 3/4 Conduit Hub Figure 4: Amplifier Junction Box Dimensions 6 • 65-2331-04 H S Transmitter... - Page 11 Install 3/16 inch I.D. flexible polyurethane tubing to the fitting at the bottom of the calibration adapter/splash guard and route it to an accessible area that is close to the amplifier junction box. See the “Parts List” on page 21 for available tubing. 65-2331-04 H S Transmitter • 7...
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Page 12: Wiring The Detector To The Amplifier
To make wiring more convenient, use wire colors that correspond to the detector wire colors: red and black. NOTE: Consult RKI Instruments, Inc. for cable lengths longer than 200 feet. Connect the detector leads to the terminal block in the detector junction box. -
Page 13: Wiring The Amplifier To A Controller
Do not connect the shield drain wire at the detector junction box. Wiring the Amplifier to a Controller Turn off the controller. Turn off or unplug power to the controller. Remove the amplifier junction box’s cover from the junction box. 65-2331-04 H S Transmitter • 9... - Page 14 CAUTION: Do not route power and transmitter wiring through the same controller conduit hub. The power cable may disrupt the transmission of the transmitter signal to the controller. 10 • 65-2331-04 H S Transmitter...
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Page 15: Startup
Figure 7: Wiring the Amplifier to a Controller 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. -
Page 16: Setting The Zero Signal
The procedure below describes applying zero emission air, usually called zero air, using a calibration kit that includes 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 17: Maintenance
Set a voltmeter to read in the millivolt (mV) range. Plug the voltmeter leads into the test points on the amplifier. Plug the positive lead into the red (+) test point; plug the negative lead into the black (-) test point. 65-2331-04 H S Transmitter • 13... - Page 18 Quarterly Calibrate the H S transmitter as described in “Calibration” on page 19. See the calibration frequency discussion in “Calibration Frequency” on page 18 to determine if a quarterly calibration schedule fits your needs. 14 • 65-2331-04 H S Transmitter...
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Page 19: Troubleshooting
5. If the calibration/response difficulties frequent calibration disconnected. continue, replace the plug-in sensor schedule. as described later in this section. 6. If the calibration/response difficulties continue, contact RKI for further instruction. 65-2331-04 H S Transmitter • 15... -
Page 20: Replacing Components Of The H 2 S Transmitter
Guide the detector leads of the replacement detector through the bottom conduit hub of the detector junction box, then screw the mounting threads of the detector into the conduit hub. If necessary for environmental conditions, apply thread sealant or Teflon 16 • 65-2331-04 H S Transmitter... - Page 21 10. Reinstall the amplifier junction box cover. 11. Turn on or plug in power to the controller. 12. Turn on the controller and place it into normal operation. 65-2331-04 H S Transmitter • 17...
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Page 22: Calibration Frequency
Although there is no particular calibration frequency that is correct for all applications, a calibration frequency of every 3 months is adequate for most H S transmitter applications. Unless experience in a particular application dictates otherwise, RKI Instruments, Inc. recommends a calibration frequency of every 3 months for the H S transmitter. -
Page 23: Calibration
It describes the test using a calibration kit that includes 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 24: Setting The Response Reading
When the display reading falls below the alarm setpoints, return the controller to normal operation. Verify that the controller display reading decreases and stabilizes at 0 ppm. Store the components of the calibration kit in a safe and convenient place. 20 • 65-2331-04 H S Transmitter... -
Page 25: Parts List
S transmitter (includes detector, two junction boxes, and amplifier), CSA classified 65-2428 S replacement detector assembly (includes sensor), CSA classified 71-0440 65-2331-04 H S Transmitter Operator’s Manual (this document) 81-0076RK-01 Zero air calibration cylinder, 34 liter steel 81-0151RK-04 Calibration cylinder, 25 PPM H...
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