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omega.com   [email protected]

Servicing North America:

U.S.A.  

Omega Engineering, Inc. 

800 Connecticut Ave, Suite 5N01, Norwalk, CT 06854

Headquarters:  

Toll-Free: 1-800-826-6342 (USA & Canada only) 

Customer Service: 1-800-622-2378 (USA & Canada only) 

Engineering Service: 1-800-872-9436 (USA & Canada only) 

Tel: (203) 359-1660 

Fax: (203) 359-7700 

e-mail: [email protected]

For Other Locations Visit omega.com/worldwide

The information contained in this document is believed to be correct, but OMEGA accepts no liability for any 
errors it contains, and reserves the right to alter specifications without notice.

WARRANTY/DISCLAIMER

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.

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

13 months

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

one (1) 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.

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.

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.

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 2019 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 

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.

RETURN REQUESTS / INQUIRIES

Summary of Contents for OS137A Series

Page 1: ...ega com For latest product manuals omegamanual info Shop online at omega com OS137A SERIES Miniature Non Contact Infrared Temperature Sensor Transmitter TM CAUTION This product is not intended for med...

Page 2: ...Section 2 Installation 1 2 1 Unpacking 1 2 2 Electrical Connection 2 Section 3 Operation 3 3 1 Measuring Temperature 3 3 2 Ambient Temperature 4 3 3 Atmospheric Quality 4 3 4 Alarm Setting 6 Section...

Page 3: ...g Diagram 2 2 2 Alarm Output Wiring Diagram 2 3 1 Optical Field of View 3 3 2 Location of Emissivity Alarm Adjust and Alarm Switch 3 3 3 Mounting Bracket OS137 MB 4 3 4 Air Purge Collar OS137 AP 4 3 5...

Page 4: ...lon insulation Power must be disconnected before making any electrical connections The recommended power supply should be VDE or UL approved Rating 12 24 VDC 50 mA mininum power with overload protecti...

Page 5: ...equipment If you have any questions about the shipment please call OMEGA Customer Service at 1 800 622 2378 or 203 359 1660 We can also be reached on the internet at www omega com email cservice omeg...

Page 6: ...ows alarm output connections 2 2 Electrical Connection Apply DC power after making all the wiring connection Accessories Model No OS137 MB Mounting Bracket Water Air Cooling Jacket with Built in Air P...

Page 7: ...Sighting accessory optional to align the transmitter to the center of the target area Remove the End Cap to get to the Emissivity Single Turn Pot Fig 3 2 Set the Emissivity Pot based on the target su...

Page 8: ...sor head goes through a thermal shock It takes a certain amount of time for the sensor head to get stabilized to the new ambient temperature For example it takes about 30 minutes for the transmitter t...

Page 9: ...Figure 3 4 Air Purge Collar OS137 AP Figure 3 5 Stainless Steel Housing Figure 3 6 Water Air Cool Jacket OS137 WC Operation 3 5...

Page 10: ...ch on the main board to the Alarm position 2 Measure the analog output and adjust the Alarm Potentiometer until the output reads 10 4 mA which is 40 204 C 400 F of the temperature range 18 to 538 C 0...

Page 11: ...emoved from the front of the transmitter head before temperature measurement is made The laser sight accessory is powered from a small compact battery pack included with the accessory Connect the batt...

Page 12: ...Figure 4 1 Laser Sighting Accessory OS137 LS Figure 4 2 Laser Warning Label Laser Sight Accessory 4 8...

Page 13: ...ts Min Load 0 to 5 Vdc 1 K Ohms Min Load 0 to 10 Vdc 1 K Ohms Max Load 4 to 20 mA Power Supply 4 20 mA Min Load 10 mV Deg 1 K Ohms Min Load K T C 10 K Ohms Operating Relative Humidity Less than 95 RH...

Page 14: ...ence Less than 2 mrad Operating Temperature 0 to 50 C 32 to 122 F Operating Relative Humidity Less than 95 RH non condensing Power Switch ON OFF Slide Switch on the battery pack Power Indicator Red LE...

Page 15: ...t iron 0 94 Iron and steel excluding stainless rusted iron plate 0 69 Iron and steel excluding stainless polished steel 0 07 Iron and steel excluding stainless polished steel oxidized at 600 C 1112 F...

Page 16: ...x lead soda 0 85 to 0 95 Marble polished light gray 0 93 Paints lacquers and varnishes Black matte shellac 0 91 Paints lacquers and varnishes aluminum paints 0 27 to 0 67 Paints lacquers and varnishes...

Page 17: ...OS137 Series Miniature Non Contact Infrared Temperature Sensor Transmitter 6 NOTES 13...

Page 18: ...on 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 res...

Page 19: ...lewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipment...

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