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RKI Instruments, Inc.

www.rkiinstruments.com

65-2397RK

Transmitter

Operator’s Manual

Part Number: 71-0185RK

Revision: C

Released: 9/1/20

Содержание 65-2397RK

Страница 1: ...RKI Instruments Inc www rkiinstruments com 65 2397RK CO2 Transmitter Operator s Manual Part Number 71 0185RK Revision C Released 9 1 20...

Страница 2: ...alibration and maintenance of the transmitter is essential for proper operation and correct readings Please calibrate and maintain this transmitter regularly Frequency of calibration depends upon the...

Страница 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...

Страница 4: ...ring the CO2 Transmitter 10 Startup 12 Introducing Incoming Power 12 Setting the Zero Signal 12 Maintenance 13 Preventive Maintenance 13 Troubleshooting 14 Replacing Components of the CO2 Transmitter...

Страница 5: ...follow the instructions and warnings in this manual to assure proper and safe operation of the 65 2397RK and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the...

Страница 6: ...ad It consists of the CO2 detector amplifier and junction box Figure 1 CO2 Transmitter Component Location G LEL B W R Amplifier Controller Terminal Strip S P WR SIG J Box IR CO2 Detector Detector Term...

Страница 7: ...rical connection for the sensor The circuit board with the sockets conditions the sensor s signal before the signal reaches the amplifier Housing Cap Cap Gasket The housing cap screws onto the detecto...

Страница 8: ...se the zero output and counterclockwise to decrease the zero output Span Pot The span pot is located to the right of the zero pot see Figure 1 Use a small flat blade screwdriver to turn the span pot s...

Страница 9: ...r the following when you select the mounting site Select a site where the transmitter is not likely to be bumped or disturbed Make sure there is sufficient room to perform start up maintenance and cal...

Страница 10: ...three wires in conduit through the top conduit hub of the junction box 7 Pull out the controller terminal strip and connect the three wires to the terminal strip as follows see Figure 4 Connect the p...

Страница 11: ...nal strip at the controller as shown in Figure 4 Figure 4 Wiring the CO2 Transmitter to a Controller 12 If shielded cable is used connect the cable s drain wire to an available chassis earth ground at...

Страница 12: ...nce there is a background of CO2 in air of typically 300 600 ppm 0 03 0 06 volume it is necessary to use a calibration kit with a 100 nitrogen cylinder to set the zero signal of a CO2 transmitter with...

Страница 13: ...unction box Maintenance This section describes maintenance procedures It includes preventive maintenance troubleshooting and component replacement procedures Preventive Maintenance This section descri...

Страница 14: ...adjustment A full calibration is recommended 5 If the fail condition continues replace the sensor as described later in this section 6 If the fail condition continues contact RKI for further instruct...

Страница 15: ...r housing cap back onto the detector housing body 8 Turn on the power to the controller 9 Turn on the controller and place it into normal operation NOTE When first powered up the transmitter will ente...

Страница 16: ...ower to the controller 3 Remove the junction box cover 4 Remove the detector terminal strip from its socket 5 Disconnect the detector leads from the detector terminal strip Note the position of the co...

Страница 17: ...ctor terminal strip and controller terminal strip from their sockets You may leave the wires connected to the terminal strips 5 Unscrew and remove the screw with the flat and lock washers that secures...

Страница 18: ...o warm up for 5 minutes 13 Calibrate the transmitter as described in Calibration on page 19 of this manual Calibration Frequency Although there is no particular calibration frequency that is correct f...

Страница 19: ...X 400 100 For example with a calibrating sample of 2 5 Vol and a fullscale setting of 5 Vol the correct output is 300 mV 300 mV 50 100 X 400 100 5 Screw the calibration cup onto the detector housing...

Страница 20: ...he regulator 5 Unscrew the regulator from the calibration cylinder Returning to Normal Operation 1 Remove the voltmeter leads from the amplifier test points 2 Unscrew the calibration cup from the dete...

Страница 21: ...100 Volume 65 2397RK 01 CO2 transmitter 0 9000 ppm includes detector junction box and amplifier 65 2397RK 02 CO2 transmitter 0 5000 ppm includes detector junction box and amplifier 65 2397RK 03 CO2 t...

Страница 22: ...ibration cylinders cylinders with external threads 81 1051RK Regulator with gauge and knob 0 5 liter minute continuous flow for 34 liter alu minum 58 liter 103 liter calibration cylinders cylinders wi...