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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 2018 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.

WARRANTY/DISCLAIMER

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

25 months

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

month  grace  period  to  the  normal 

two

  (2)  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 
h a v i n g   b e e n   t a m p e r e d   w i t h   o r   s h o w s   e v i d e n c e   o f   h a v i n g   b e e n   d a m a g e d   a s   a  
r e s u l t   o f   e x c e s s i v e   c o r r o s i o n ;   o r   c u r r e n t ,   h e a t ,   m o i s t u r e   o r   v i b r a t i o n ;   i m p r o p e r 
s p e c i f i c a t i o n ;   m i s a p p l i c a t i o n ;   m i s u s e   o r   o t h e r   o p e r a t i n g   c o n d i t i o n s   o u t s i d e   o f  
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, 
O M E G A   n e i t h e r   a s s u m e s   r e s p o n s i b i l i t y   f o r   a n y   o m i s s i o n s   o r   e r r o r s   n o r  
assumes liability for any damages that result from the use of its products 
i n   a c c o r d a n c e   w i t h   i n f o r m a t i o n   p r o v i d e d   b y   O M E G A ,   e i t h e r   v e r b a l   o r  
written. OMEGA warrants only that the parts manufactured by it will be as 
specified and free of defects. OMEGA MAKES NO OTHER WARRANTIES OR 
REPRESENTATIONS OF ANY KIND WHATSOEVER, EXPRESS 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.

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. 

 

Summary of Contents for HH-25U

Page 1: ...e mail info omega com For latest product manuals www omegamanual info Shop online at omega com User sGuide HH 25U J K T Single Input Thermocouple Thermometer TM 2 ...

Page 2: ...specifications without notice 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 Canada only Engineering Service 1 800 872 9436 USA Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide omega com info omega com ...

Page 3: ...emperature Coefficient 0 1 times the applicable accuracy specification per C from 0 C to 18 C and 28 C to 50 C 32 F to 64 F and 82 F to 122 F Function Max Min Hold Power size 9V battery 159 x 55 x 38 mm KEYPAD CONTROLS UNIT Press UNIT to select ɗ ə HOLD Freeze display and update function enable or disable Press HOLD to hold and release it to go back to normal measurement mode MODE No function in t...

Page 4: ...be before turning on 2 TAKING MEASUREMENT Make sure you have plugged in K J or T type sensor probe on the top of the meter if the probe is not plugged in appropriately LCD shows _ _ _ _ on the display Single input model shows only T1 Long press SET button can change type K J T 3 CHANGE UNIT Press UNIT button to change unit ɗ or ə The meter s default temperature unit is degrees C After being set to...

Page 5: ... toggle to T1 J 0 0 calibration mode plug in J type probe for T1 and then short press SET button 0 0ɗ will flash on T1 reading 5 After 1 minute calibration the display will toggle to T1 T 0 0 calibration mode plug in T type probe for T1 and then short press SET button 0 0ɗ will flash on T1 reading 6 After 1 minute calibration the display will return to normal measurement mode without flashing read...

Page 6: ...BATTERY REPLACEMENT z Turn off the instrument z Remove the battery compartment z Change the battery z Replace the compartment cover 6 ...

Page 7: ...oper 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 f...

Page 8: ...rs 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 Industrial pH Conductivity Equipment DATA ACQUISITION M U Communications Based Acquisition Systems M U Data Logging Systems M U Wireless Sensors Transmitters Receivers M U Signal Conditioners M U Da...

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