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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.

Содержание TX90A Series

Страница 1: ...e mail info omega com For latest product manuals www omegamanual info TX91A J K T E 4 20 mA Mini Temperature Transmitter Shop online at omega com User sGuide TM...

Страница 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...

Страница 3: ...NSMITTER 6 4 0 SPECIFICATIONS 10 LIST OF FIGURES AND TABLES Figure 2 1 Power Input Setup 4 Figure 2 2 Pin Assignment 5 Figure 3 1 Calibration Setup using a Millivolt Source 6 Figure 3 2 Calibration us...

Страница 4: ...ii...

Страница 5: ...ng or removing parts of the transmitter EMC Considerations Whenever EMC is an issue always use shielded cables Never run signal and power wires in the same conduit Use signal wire connections with twi...

Страница 6: ...provides a zero adjustment which allows placement of the 4 mA output temperature within 25 for Fahrenheit and 10 for Celsius of nominal span refer to Section 3 0 Calibrating the Transmitter for more d...

Страница 7: ...ge Consult factory To order additional transmitters write TX91A followed by the model letter and number For example TX91A J3 Transmitter with thermocouple type J and a temperature range of 0 to 300 F...

Страница 8: ...s or wall mount ing in confined areas SECTION 2 CONNECTING POWER AND SIGNAL INPUTS Verify that the transmitter is connected for the correct power voltage rating The transmitter has no power on switch...

Страница 9: ...rminal Pin Assignment For improved EMC performance connect Pin 3 to Earth Ground Figure 2 2 Pin Assignment 1 2 3 4 5 01 Z S RANGE TYPE J K T E P 02 03 04 05 06 07 08 09 10 IN IN PS M PS 1 Thermocouple...

Страница 10: ...the beaker with enough distilled water so that the ice bath just becomes slush but not enough to float the ice 3 Insert the reference thermocouple Figure 3 1 Calibration Setup using a Millivolt Source...

Страница 11: ...ected Top Current CTC using the following equation gener ally this will not equal 20 00mA CTC 16 x ITC ITC 4 mA 5 Adjust the Span potentiometer to obtain the CTC on the milliammeter 6 Now re adjust th...

Страница 12: ...to 750 F 0 to 1000 F LO IN 0 692 0 692 0 692 0 692 0 692 HI IN 3 819 6 092 10 560 16 349 22 251 T TX X9 91 1A A T T2 2 T T3 3 T T4 4 T T5 5 0 to 200 F 0 to 300 F 0 to 500 F 0 to 750 F LO IN 0 674 0 67...

Страница 13: ...3 21 846 27 388 T TX X9 91 1A A K K7 7 K K8 8 K K9 9 K K1 10 0 K K1 11 1 0 to 100 C 0 to 150 C 0 to 250 C 0 to 400 C 0 to 500 C LO IN 0 000 0 000 0 000 0 000 0 000 HI IN 4 095 6 137 10 151 16 395 20 6...

Страница 14: ...8 to 50 Vdc Reverse polarity protection 350 V peak Maximum loop resistance Supply Voltage 8V 20 mA A AC CC CU UR RA AC CY Y Hysteresis and repeatability Within 0 1 of FS Linearity with respect to inpu...

Страница 15: ...GULATOR CURRENT CONTROL AMP 4 0 SPECIFICATIONS Continued Figure 4 1 Case Dimensions Figure 4 2 Transmitter Block Diagram 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...

Страница 16: ...12 NOTES...

Страница 17: ...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...

Страница 18: ...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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