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65-2321RK Oxygen Transmitter

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. This warranty does not apply to those items 
which by their nature are subject to deterioration or consumption in normal service, and 
which must be cleaned, repaired, or replaced on a routine basis. Examples of such items 
are:

Warranty is voided by abuse including mechanical damage, alteration, rough handling, or 
repair procedures not in accordance with the operator’s manual. This warranty indicates 
the full extent of our liability, and we are not responsible for removal or replacement 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, 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 LIABLE FOR INDIRECT, INCIDENTAL, OR CONSEQUENTIAL 
LOSS OR DAMAGE OF ANY KIND CONNECTED WITH THE USE OF 
ITS PRODUCTS OR FAILURE OF ITS PRODUCTS TO FUNCTION OR 
OPERATE PROPERLY.

This warranty covers instruments and parts sold to users by authorized distributors, 
dealers, and representatives as appointed by RKI Instruments, Inc.

We do not assume indemnification for any accident or damage caused by the operation of 
this gas monitor, and our warranty is limited to the replacement of parts or our complete 
goods.

a) Absorbent cartridges

d) Batteries

b) Pump diaphragms and valves

e) Filter elements

c) Fuses

www.calcert.com

[email protected]

1.800.544.2843

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Summary of Contents for 65-2321RK

Page 1: ...65 2321RK Oxygen Transmitter Operator s Manual Part Number 71 0175RK Revision A Released 7 3 14 www calcert com sales calcert com 1 800 544 2843 0 5 10 15 20 25 30...

Page 2: ...transmitter is essen tial for proper operation and correct readings Please calibrate and maintain this transmitter regularly Frequency of calibration depends upon the type of use you have and the sens...

Page 3: ...ortation 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 OBLI...

Page 4: ...tartup 8 Introducing Incoming Power 8 Verifying Setting the Fresh Air Reading 8 Maintenance 9 Preventive Maintenance 9 Troubleshooting 10 Replacing Components of the Oxygen Transmitter 11 Calibration...

Page 5: ...formation specific to the controller Specifications Table 1 lists specifications for the oxygen transmitter WARNING When using the 65 2321RK you must follow the instructions and warnings in this manua...

Page 6: ...ists of the oxygen detector amplifier and junction box Figure 1 Oxygen Transmitter Component Location Detector Terminal Strip Oxygen Detector J Box Amplifier Controller Terminal Strip SIG PWR ZERO SPA...

Page 7: ...cuit 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 detector housing It retains the plug in sensor...

Page 8: ...bration procedure Turn the adjustment screw clockwise to increase 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 Fig...

Page 9: ...ent Consider 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 maintena...

Page 10: ...terminal strip and connect the two wires to the terminal strip as follows see Figure 4 Connect the positive wire to the SIG PWR terminal Connect the signal wire to the SIG PWR S terminal CAUTION If s...

Page 11: ...hassis earth ground at the controller RKI controllers typically have a ground stud that can be used to ground the cable s drain wire Z ERO SP AN S SIG PWR White Green J Box Oxygen Detector Controller...

Page 12: ...ibration 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 1 Unscrew and remove the...

Page 13: ...fore performing this test Preparing for the response test 1 Place the controller into its calibration mode or disable external alarms 2 Verify that the controller display reading for the channel you a...

Page 14: ...m a fresh air adjustment A full calibration is recommended 4 If the fail condition continues replace the plug in sensor as described later in this section 5 If the fail condition continues contact RKI...

Page 15: ...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 t...

Page 16: ...t 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 washer you removed in...

Page 17: ...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 2 Unscrew and remove the juncti...

Page 18: ...libration 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 match the correct response reading 4 Turn the regulato...

Page 19: ...bration cylinder 17 liter steel 81 0076RK 01 Zero air calibration cylinder 34 liter steel 81 0076RK 03 Zero air calibration cylinder 103 liter steel 81 0078RK 100 nitrogen calibration cylinder 17 lite...

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