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RKI Instruments, Inc.

www.rkiinstruments.com

65-2397SS

Transmitter

Operator’s Manual

Part Number: 71-0442

Revision: 0

Released: 9/1/20

Содержание 65-2397SS

Страница 1: ...RKI Instruments Inc www rkiinstruments com 65 2397SS CO2 Transmitter Operator s Manual Part Number 71 0442 Revision 0 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: ...iring the CO2 Transmitter 11 Startup 13 Introducing Incoming Power 13 Setting the Zero Signal 13 Maintenance 14 Preventive Maintenance 14 Troubleshooting 15 Replacing Components of the CO2 Transmitter...

Страница 5: ...ollow the instructions and warnings in this manual to assure proper and safe operation of the 65 2397SS and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 6...

Страница 6: ...components of the CO2 transmitter The transmitter is a 4 20 mA type detector head It consists of the CO2 detector amplifier and junction box Figure 1 CO2 Transmitter Component Location G LEL B W S P W...

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: ...detector terminal strip is a four position plug in style terminal strip located below the controller terminal strip Use the detector terminal strip to connect the CO2 transmitter to the amplifier NOT...

Страница 9: ...amplifier s output during the start up and calibration procedures The black test point in the lower left corner is the negative test point and the red test point below the zero pot is the positive te...

Страница 10: ...te where the transmitter is not likely to be bumped or disturbed Make sure there is sufficient room to perform start up maintenance and calibration procedures Mount the transmitter at least six feet f...

Страница 11: ...he terminal strip as follows see Figure 5 Connect the positive wire to the PWR SIG terminal Connect the signal wire to the PWR SIG S terminal Connect the negative wire to the PWR SIG terminal CAUTION...

Страница 12: ...ontroller 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...

Страница 13: ...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 14: ...unction box Maintenance This section describes maintenance procedures It includes preventive maintenance troubleshooting and component replacement procedures Preventive Maintenance This section descri...

Страница 15: ...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 16: ...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 17: ...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 18: ...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 19: ...o warm up for 5 minutes 13 Calibrate the transmitter as described in Calibration on page 20 of this manual Calibration Frequency Although there is no particular calibration frequency that is correct f...

Страница 20: ...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 2 5 5 0 X 400 100 5 Screw the calibration cup onto the detector housing...

Страница 21: ...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 22: ...5040RK 05 CO2 replacement plug in sensor 0 50 Volume 61 5040RK 10 CO2 replacement plug in sensor 0 100 Volume 65 2397SS 01 CO2 transmitter 0 9000 ppm includes detector junction box and amplifier 65 2...

Страница 23: ...minute continuous flow for 17 liter and 34 liter steel calibration cylinders cylinders with external threads 81 1051RK Regulator with gauge and knob 0 5 liter minute continuous flow for 34 liter alu...