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5

 

(5) DATA HOLD 

Freeze display and update function enable or disable. Press

 “HOLD”

 to hold and release it to go back to the 

temperature reading. 

 

NOTE: Remove batteries when not use. 

 

(6) Ice point (0

ɗ

ɗ

) calibration 

1. Sensor part put in an ice bottle with full crushed ice. 

2. Plug in K type probe for T1. 

3. Press 

PWR

+

HOLD

+

UNIT 

buttons for few seconds, the meter will enter T1 K ice point calibration, 0.0

ɗ

 will flash 

  on T1 reading. 

4. After 1 minute calibration, the display will toggle to T1 J 0.0 calibration mode, plug in J type probe for T1, and 

  then short press 

SET

 button, 0.0

ɗ

  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, 0.0

ɗ

  will flash on T1 reading.   

6. After 1 minute calibration, the display will return to normal measurement mode without flashing reading. 

7. The calibration completed. 

 

 

 

 

 

 

 

 

TROUBLE SHOOTING 

LCD display “_ _ _ _” means disconnect thermocouple. 

 

WARNING 

1. Always plug thermocouple sensor in before turning on the meter, or the displays on LCD 

are meaningless. 

2. Make sure you plug sensor with correct polarity. 

 

 

 

 

 

 

 

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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