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10 • 65-2322RK Oxygen Transmitter

Figure 3:  Mounting the Oxygen Transmitter

2. At the monitoring site you select, hang or mount the junction box with the detector facing 

down (see Figure 3).

3/4 NPT
Female

3.65

3.10

.75

.38

Oxygen 

Detector

J-Box

1 1/2 - 20 Thread

for Calibration Cup

8.45 Max

Rubber
Spacer, 3X

www.calcert.com

[email protected]

1.800.544.2843

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5

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Summary of Contents for 65-2322RK

Page 1: ...65 2322RK Oxygen Transmitter Operator s Manual Part Number 71 0157RK Revision C Released 10 1 20 www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30 ...

Page 2: ...he detector is essential for proper operation and correct readings Please calibrate and maintain this detector regularly Frequency of calibration depends upon the type of use you have and the sensor types Typical calibration frequen cies for most applications are between 3 and 6 months but can be required more often or less often based on your usage www calcert com sales calcert com 1 800 544 2843...

Page 3: ...sportation costs or contingent expenses incurred without our prior approval THIS WARRANTY IS EXPRESSLY IN LIEU OF ANY AND ALL OTHER WARRANTIES AND REPRESENTATIONS EXPRESSED OR IMPLIED AND ALL OTHER OBLIGATIONS OR LIABILITIES ON THE PART OF RKI INSTRUMENTS INC INCLUDING BUT NOT LIMITED TO THE WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE IN NO EVENT SHALL RKI INSTRUMENTS INC BE LI...

Page 4: ...tartup 13 Introducing Incoming Power 13 Verifying Setting the Fresh Air Reading 13 Maintenance 14 Preventive Maintenance 14 Troubleshooting 15 Replacing Components of the Oxygen Transmitter 16 Calibration Frequency 18 Calibration 18 Preparing for Calibration 18 Setting the Fresh Air Reading 19 Setting the Zero Reading 19 Returning to Normal Operation 20 Parts List 21 www calcert com sales calcert ...

Page 5: ...ng the 65 2322RK you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65 2322RK and to minimize the risk of personal injury Be sure to maintain and periodically calibrate the 65 2322RK as described in this manual Table 1 Specifications Target Gas Oxygen Sampling Method Diffusion Detection Range 0 to 25 Accuracy 0 5 O2 Area Classification CSA class...

Page 6: ...sists of the oxygen detector amplifier and junction box Figure 1 Oxygen Transmitter Component Location 100mV 500mV Range SIG PWR S Amplifier Detector Terminal Strip Controller Terminal Strip Test Point Black Test Point Red ZERO SPAN TOXIC OXY Zero Pot Span Pot Factory Adjust Pot Oxygen Detector J Box www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30 ...

Page 7: ...ith the sockets conditions the sensor s signal before the signal reaches the amplifier Housing Cap Cap Gasket The housing cap screws onto the detector housing It retains the plug in sensor and protects it from damage A foam gasket is installed inside the housing cap that seals against the sensor face The housing cap also includes a flame arrestor which contains any sparks that may occur within the...

Page 8: ...page 11 for all wiring procedures related to the transmitter Zero Pot The zero pot is located in the upper left corner of the amplifier see Figure 1 Use a small flat blade screwdriver to turn the zero pot s adjustment screw and adjust the amplifier s zero oxygen free output during the calibration procedure Turn the adjustment screw clockwise to increase the zero output and counterclockwise to decr...

Page 9: ...nce of the junction box from a mounting surface and ensure that there is enough room to install a calibration cup on the detector during calibration Installation This section describes procedures to mount the oxygen transmitter in the monitoring environment and wire the transmitter to a controller Mounting the Oxygen Transmitter 1 Select a mounting site that is representative of the monitoring env...

Page 10: ...monitoring site you select hang or mount the junction box with the detector facing down see Figure 3 3 4 NPT Female 3 65 3 10 75 38 Oxygen Detector J Box 1 1 2 20 Thread for Calibration Cup 8 45 Max Rubber Spacer 3X www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30 ...

Page 11: ...ll the detector in an environment with acetic acid Adhere to your local electrical code when installing the conduit seal 6 Guide either a two conductor shielded cable or two wires in conduit that is appropriate for hazardous locations through the top conduit hub of the junction box 7 Pull out the controller terminal strip and connect the two wires to the terminal strip as follows see Figure 4 Conn...

Page 12: ...he controller RKI controllers typically have a ground stud that can be used to ground the cable s drain wire Controller Housing installed in ordinary location if device is n on explosion proof S TO XIC OX Y Z ER O SIG P WR Controller Detector Transmitter Terminals Typical Designations J Box S PA N Cable Shield S Install conduit seal within 18 inches do not install detector in environment with acet...

Page 13: ...rify that the detector is in a fresh air environment environment known to be of normal oxygen content and free of toxic and combustible gases it is not necessary to apply zero air when verifying or setting the fresh air reading The procedure below describes applying zero emission air usually called zero air using a calibration kit that includes a calibration cup calibration gas sample tubing and a...

Page 14: ...t points 16 Secure the junction box cover to the junction box Maintenance This section describes maintenance procedures It includes preventive maintenance troubleshooting and component replacement procedures Preventive Maintenance This section describes a preventive maintenance schedule to ensure the optimum performance of the oxygen transmitter It includes daily and quarterly procedures Daily Ver...

Page 15: ...ion Slow or No Response Difficult or Unable to Calibrate Unable to accurately set the fresh air or zero reading during calibration Transmitter requires frequent calibration Note Under normal circumstances the transmitter requires calibration once every 3 months Some applications may require a more frequent calibration schedule The calibration cylinder is low out dated or defective The flame arrest...

Page 16: ... sensor 5 Carefully plug the replacement sensor into the socket pattern that is located in the detector housing 6 Make sure the cap gasket is in place and screw the detector housing cap back onto the detector housing body 7 Turn on power to the controller 8 Turn on the controller and place into normal operation CAUTION Allow the replacement sensor to warm up for 5 minutes before you continue with ...

Page 17: ...3 Remove the junction box cover 4 Unplug the detector 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 the amplifier to the junction box 6 Remove the old amplifier 7 Install the new amplifier into the junction box with the screw lock washer and flat was...

Page 18: ...the zero reading and return to normal operation It describes calibration using a calibration kit that includes a calibration cup 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 Preparing for Calibration 1 Place the controller into its calibration mode or disable external alarms WARNIN...

Page 19: ...the regulator 6 Unscrew the regulator from the zero air calibration cylinder Leave the sample tubing connected to the regulator and the calibration cup NOTE Depending on the size of your zero air cylinder it is possible that you will have a different regulator for the zero air cylinder and the 100 nitrogen cylinder If necessary to fit the nitrogen cylinder change the regulator Setting the Zero Rea...

Page 20: ...ove the decreasing alarm setpoint return the controller to normal operation NOTE If you do not allow the gas reading to increase above the decreasing alarm point then unwanted alarms may occur 4 Verify that the controller display reading increases and stabilizes at 20 9 volume 5 Store the components of the calibration kit in a safe and convenient place www calcert com sales calcert com 1 800 544 2...

Page 21: ...6RK 01 Zero air calibration cylinder 34 liter steel 81 0076RK 03 Zero air calibration cylinder 103 liter 81 0078RK 100 nitrogen calibration cylinder 17 liter 81 0078RK 01 100 nitrogen calibration cylinder 34 liter steel 81 0078RK 03 100 nitrogen calibration cylinder 103 liter 81 F301RK Calibration kit for oxygen detector head 103 liter 81 F301RK LV Calibration kit for oxygen detector head 34 liter...

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