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OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords our 

customers the latest in technology and engineering.
OMEGA is a trademark of OMEGA ENGINEERING, INC.
© Copyright 2017 OMEGA ENGINEERING, INC. All rights reserved. This document may not be copied, photocopied, 

reproduced, translated, or reduced to any electronic medium or machine-readable form, in whole or in part, without the prior 

written consent of OMEGA ENGINEERING, INC.

FOR 

WARRANTY

 RETURNS, please have the  

following information available BEFORE contacting 

OMEGA:
1.   Purchase Order number under which the product 

was PURCHASED,

2.   Model and serial number of the product under 

warranty, and

3.  Repair instructions and/or specific problems  

  relative to the product.

FOR 

NON-WARRANTY

 REPAIRS, consult 

OMEGA for current repair charges. Have 

the following information available BEFORE 

contacting OMEGA:
1.  Purchase Order number to cover the COST  

  of the repair,
2.  Model and serial number of the product, and
3.  Repair instructions and/or specific problems  

  relative to the product.

RETURN REQUESTS/INQUIRIES

Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE 

RETURNING ANY PRODUCT(S) TO OMEGA, PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) 

NUMBER FROM OMEGA’S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO AVOID PROCESSING 

DELAYS). The assigned AR number should then be marked on the outside of the return package and on any 

correspondence.
The purchaser is responsible for shipping charges, freight, insurance and proper packaging to prevent 

breakage in transit.

WARRANTY/DISCLAIMER

OMEGA ENGINEERING, INC. warrants this unit to be free of defects in materials and workmanship for a 

period of 

61 months

 from date of purchase. OMEGA’s WARRANTY adds an additional one (1) month grace 

period to the normal 

five (5) year product warranty

 to cover handling and shipping time. This ensures 

that OMEGA’s customers receive maximum coverage on each product.
If the unit malfunctions, it must be returned to the factory for evaluation. OMEGA’s Customer Service 

Department will issue an Authorized Return (AR) number immediately upon phone or written request. 

Upon examination by OMEGA, if the unit is found to be defective, it will be repaired or replaced at no 

charge. OMEGA’s WARRANTY does not apply to defects resulting from any action of the purchaser, 

including but not limited to mishandling, improper interfacing, operation outside of design limits,  

improper repair, or unauthorized modification. This WARRANTY is VOID if the unit shows evidence of  

having been tampered with or shows evidence of having been damaged as a result of excessive corrosion; 

or current, heat, moisture or vibration; improper specification; misapplication; misuse or other operating 

conditions outside of OMEGA’s control. Components in which wear is not warranted, include but are not  

limited to contact points, fuses, and triacs.

OMEGA is pleased to offer suggestions on the use of its various products. However,  

OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for 

any damages that result from the use of its products in accordance with information provided 

by OMEGA, either verbal or written. OMEGA warrants only that the parts manufactured by the 

company will be as specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR  

REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESSED OR IMPLIED, EXCEPT THAT OF 

TITLE, AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY 

AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED. LIMITATION OF  

LIABILITY: The remedies of purchaser set forth herein are exclusive, and the total liability of  

OMEGA with respect to this order, whether based on contract, warranty, negligence,  

indemnification, strict liability or otherwise, shall not exceed the purchase price of the  

component upon which liability is based. In no event shall OMEGA be liable for 

 

consequential, incidental or special damages.

CONDITIONS:  Equipment sold by OMEGA is not intended to be used, nor shall it be used: (1) as a “Basic 

Component” under 10 CFR 21 (NRC), used in or with any nuclear installation or activity; or (2) in medical 

applications or used on humans. Should any Product(s) be used in or with any nuclear installation or 

activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility 

as set forth in our basic WARRANTY/DISCLAIMER language, and, additionally, purchaser will indemnify 

OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the 

Product(s) in such a manner.

Summary of Contents for TX92A

Page 1: ...e mail info omega com For latest product manuals www omegamanual info TX92A Miniature Temperature Transmitters Shop online at omega com User sGuide TM...

Page 2: ...pecifications without notice omega com info omega com Servicing North America U S A Omega Engineering Inc Headquarters Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Cana...

Page 3: ...RATING THE TRANSMITTER 5 4 0 SPECIFICATIONS 7 LIST OF FIGURES AND TABLES Figure 2 1 Power Input Setup 4 Figure 2 2 Pin Assignment 4 Figure 3 1 Calibration Setup Resistance Source 5 Figure 3 2 Calibrat...

Page 4: ...ii...

Page 5: ...an issue always use shielded cables Never run signal and power wires in the same conduit Use signal wire connections with twisted pair cables Install Ferrite Bead s on signal wires close to the instru...

Page 6: ...t temperature within 25 for Fahrenheit and 10 for Celsius of nominal span refer to Section 3 0 Calibrating the Transmitter for more details Models TX92A L are transmitters with the 4 20mA output linea...

Page 7: ...ult factory To order additional transmitters specify TX92A followed by the model number For example TX92A 2 RTD Transmitter with a temperature range of 0 to 200 F or TX92A 2 L RTD Transmitter with the...

Page 8: ...ower on switch so it will be in operation as soon as you apply power Figure 2 1 Power Input Setup PS and PS screws accept 2mm 13 gauge or lighter wire Input range is 8 50 Vdc Table 2 1 Screw Terminal...

Page 9: ...Adjust the Zero potentiometer until the milliammeter reads 4 00 mA 3 Set the resistance source to the HI IN value in your appropriate table and read the output current on the milliammeter 4 Adjust the...

Page 10: ...hms INPUT WIRE SPAN ZERO RTD CALIBRATOR DC SUPPLY 24 VDC V Va al lu ue e M Mo od de el l N Nu um mb be er r R Ra an ng ge e T TX X9 92 2A A 7 7 8 8 9 9 1 10 0 0 to 100 C 0 to 150 C 0 to 250 C 0 to 400...

Page 11: ...tage 8V 20 mA A AC CC CU UR RA AC CY Y Hysteresis and repeatability Within 0 1 of FS Linearity with respect to input 0 1 of FS For L models linearity with respect to temperature 0 2 of FS Power supply...

Page 12: ...IONS Continued 1 650 650 1 650 1 650 1 750 44 45 DIA 750 19 05 1 150 29 21 2 3 4 5 1 2 3 4 5 Z S IN IN PS M PS 5 4 V V 1 2 REGULATOR CURRENT CONTROL AMP Figure 4 1 Case Dimensions Figure 4 2 Transmitt...

Page 13: ...NOTES 9...

Page 14: ...NOTES 10...

Page 15: ...GA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to...

Page 16: ...s M U Turbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U...

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