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Summary of Contents for RKI Instruments 65-2340RKSS
- Page 1 65-2340RKSS Toxic Gas Transmitter Operator’s Manual Part Number: 71-0302RK Revision: 0 Released: 5/16/17 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. 65-2340RKSS Toxic Gas Transmitter...
- 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 65-2340RKSS Toxic Gas Transmitter... -
Page 5: Overview
A parts list at the end of this manual lists replacement parts and accessories for the toxic gas transmitter. The 65-2340RKSS toxic gas transmitter can be used for various target gases which are listed in Table 1 below. For a particular target gas, the part number of the toxic transmitter will be of the format 65-2340RKSS-XXX. -
Page 6: Description
Span Pot Amplif ier Z ero Pot Mounting Sc rew R ed + T est Point Black - T est Point Detector T erminal Strip J-Box T oxic Detector Figure 1: Toxic Transmitter Component Location 2 • 65-2340RKSS Toxic Gas Transmitter... -
Page 7: Toxic Detector
Amplifier The amplifier converts the electrical output from the detector to a 4 to 20 mA signal that corresponds to the detection range and transmits the signal to a gas monitoring controller. 65-2340RKSS Toxic Gas Transmitter • 3... -
Page 8: Junction Box
A cover on the front of the junction box allows access to the interior of the junction box. A locking set screw on the junction box cover allows you to secure the junction box cover and prevent it from being removed. 4 • 65-2340RKSS Toxic Gas Transmitter... -
Page 9: Installation
3.15 3/4 NPT 2.40 Conduit Hub Text O r iented .20 Dia. x .45 Thi s W a y Slot, 2X 10.00 Max Junction Toxic Detector 1.10 Figure 3: Mounting the Toxic Gas Transmitter 65-2340RKSS Toxic Gas Transmitter • 5... -
Page 10: Wiring The Toxic Gas Transmitter
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. 11. Connect the wires to the applicable detector/transmitter terminal strip at the controller as shown in Figure 4. 6 • 65-2340RKSS Toxic Gas Transmitter... - Page 11 12. 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. 65-2340RKSS Toxic Gas Transmitter • 7...
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Page 12: Startup
If necessary, use a small flat-blade screwdriver to adjust the zero pot until the voltmeter reading is 100 mV (±2 mV). Remove the voltmeter leads from the test points. Secure the junction box cover to the junction box. 8 • 65-2340RKSS Toxic Gas Transmitter... -
Page 13: Maintenance
14 to determine the correct calibration cup and regulator for the required flowrate for your detector. WARNING: RKI Instruments, Inc. recommends that you dedicate a regulator for use with chlorine (Cl ) gas and that you do not use that dedicated regulator for... - Page 14 When the controller display reading falls below the alarm setpoints, return the controller to normal operation. 10. Store the components of the calibration kit in a safe place. Quarterly Calibrate the toxic gas transmitter as described in “Calibration” on page 14 of this manual. 10 • 65-2340RKSS Toxic Gas Transmitter...
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Page 15: Troubleshooting
5. If the calibration/response difficulties may require a more continue, replace the plug-in sensor frequent calibration as described later in this section. schedule. 6. If the calibration/response difficulties continue, contact RKI for further instruction. 65-2340RKSS Toxic Gas Transmitter • 11... -
Page 16: Replacing Components Of The Toxic Gas Transmitter
Unscrew the detector from the junction box conduit hub. Guide the detector leads of the replacement detector through the bottom conduit hub of the junction box, then screw the mounting threads of the detector into the conduit 12 • 65-2340RKSS Toxic Gas Transmitter... - Page 17 10. Turn on the controller and place it into normal operation. 11. Allow the transmitter to warm-up for 5 minutes. 12. Calibrate the transmitter as described in “Calibration” on page 14 of this manual. 65-2340RKSS Toxic Gas Transmitter • 13...
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Page 18: Calibration Frequency
Sulphur Dioxide (SO 81-1138RK 81-1051RK, 0.5 LPM WARNING: RKI Instruments, Inc. recommends that you dedicate a regulator for use with chlorine (Cl ) gas and that you do not use that dedicated regulator for any other gases, particularly hydrogen sulfide (H... -
Page 19: Preparing For Calibration
Allow the gas to flow for two minutes and verify a reading of 100 mV (±2 mV). If necessary, use the zero pot on the amplifier to adjust the reading to 100 mV (±2 mV). Turn the regulator knob clockwise to close the regulator. 65-2340RKSS Toxic Gas Transmitter • 15... -
Page 20: Setting The Response Reading
NOTE: If you do not allow the gas reading to decrease below the alarm points, then unwanted alarms may occur. 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. 16 • 65-2340RKSS Toxic Gas Transmitter... -
Page 21: Parts List
Calibration cylinder, 0.5 ppm PH3 in nitrogen, 34 liter aluminum, used to calibrate and AsH detectors, see conversion factor on AsH plug-in sensors 81-0190RK-02 Calibration cylinder, 5 ppm Cl in nitrogen, 58 liter 81-0190RK-04 Calibration cylinder, 5 ppm Cl in nitrogen, 34 liter 65-2340RKSS Toxic Gas Transmitter • 17... - Page 22 ESM-01 plug-in sensor, 0 - 75.0 ppm ammonia, diffusion type only ESM-K01-D-CL2 ESM-01 plug-in sensor, 0 - 3.00 ppm chlorine, diffusion type only ESM-K01D-CL2-10 ESM-01 plug-in sensor, 0 - 10.0 ppm chlorine, diffusion type only 18 • 65-2340RKSS Toxic Gas Transmitter...
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