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65-2451RK Hydrogen 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.

GlobalTestSupply

.com

Find Quality Products Online at:

[email protected]

Содержание 65-2451RK

Страница 1: ...65 2451RK Hydrogen Transmitter Operator s Manual Part Number 71 0133RK Revision C Released 5 17 11 www GlobalTestSupply com Find Quality Products Online at sales GlobalTestSupply com...

Страница 2: ...itter is essential 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 sensor type...

Страница 3: ...n 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...

Страница 4: ...up 7 Introducing Incoming Power 7 Setting the Zero Signal 7 Maintenance 8 Preventive Maintenance 8 Troubleshooting 9 Replacing Components of the Hydrogen Transmitter 10 Calibration Frequency 12 Calibr...

Страница 5: ...ing the 65 2451RK you must follow the instructions and warnings in this manual to assure proper and safe operation of the 65 2451RK and to minimize the risk of personal injury Be sure to maintain and...

Страница 6: ...only allows hydrogen to diffuse into the detector The 1 2 inch NPT mounting threads at the top of the detector allow you to mount it into the bottom conduit hub of the junction box A rainshield screw...

Страница 7: ...e 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 fresh air output...

Страница 8: ...troller Mounting the Hydrogen Transmitter 1 Select a mounting site that is representative of the monitoring environment Consider the following when you select the mounting site Select a site where the...

Страница 9: ...tion box 7 Pull out the controller terminal strip and connect the three wires to the terminal strip as follows see Figure 3 Connect the positive wire to the PWR SIG terminal Connect the signal wire to...

Страница 10: ...ed connect the cable s drain wire to an available chassis earth ground at the controller Controller or Recording Device 24 VDC Amplifier Black Red Cable Shield DC Ground 4 20 mA In S PWR SI G S R W G...

Страница 11: ...ing operation CAUTION If you suspect the presence of hydrogen in the monitoring environment use the calibration kit and the zero air calibration cylinder to introduce fresh air to the detector and ver...

Страница 12: ...e performing this test NOTE The following procedure assumes the use of a calibration kit which includes a calibration gas cylinder a 0 5 LPM fixed flow regulator with an on off knob a calibration cup...

Страница 13: ...he regulator 6 Unscrew the regulator from the calibration cylinder 7 Unscrew the calibration cup from the detector NOTE For convenience leave the regulator and calibration cup connected by the sample...

Страница 14: ...te the transmitter 3 If the fail condition continues replace the detector 4 If the fail condition continues contact RKI for further instruction Slow or No Response Difficult or Unable to Calibrate Tra...

Страница 15: ...the amplifier to the junction box 6 Remove the old amplifier 7 Install the amplifier into the junction box with the screw lock washer and flat washer you removed in Step 5 above A foam gasket that ori...

Страница 16: ...n dictates otherwise RKI Instruments Inc recommends a calibration frequency of every 3 months If an application is not very demanding for example detection in a clean temperature controlled environmen...

Страница 17: ...gative lead into the black test point 5 Use the following formula to determine the correct test points output for the calibrating sample Output mV calibrating sample fullscale X 400 100 For example wi...

Страница 18: ...e reading to match the correct response reading 4 Turn the regulator knob clockwise to close the regulator 5 Unscrew the regulator from the calibration cylinder Returning to Normal Operation 1 Remove...

Страница 19: ...es detector junction box and amplifier 71 0133RK 65 2451RK Hydrogen Transmitter Operator s Manual this document 81 0002RK 01 Steel calibration cylinder 50 LEL hydrogen in air 34 liter 81 0076RK 01 Ste...

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