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FEATURES 

1) Auto power off with disable feature (15 minutes).

2) Single input.

3) Large LCD screen.

4) Data hold function freeze readings on display.

5) Complete with type K bead wire temperature probe and 9V battery.

6)

ɗ

/

ə

 select function.

MATERIAL SUPPLIED 

z

!

 

Meter 

z

!

 

9V battery 

z

!

 

Operation manual 

SPECIFICATION 

HH

-

25U 

 

.

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n

 

l

e

d

o

M

 

/

.

c

e

p

S

 

T

/

J

/

K

 

e

l

g

n

i

S

 

t

u

p

n

I

K Temp. range 

-200~1370

ɗ

 (-328~2498

ə

)

Resolution (K) 

0.1

ɗ

(0.1

ə

), over 1000

ɗ

  1

ɗ

/1

ə

 

Accuracy (K) 

±(0.1% rdg + 0.5°C) for -50~1370°C; others ±(0.1% rdg + 2°C) 

J Temp. range 

-80~760

ɗ

 (-112~1400

ə

)

Accuracy (J) 

±1% of rdg + 1

ɗ

/2

ə

 

T Temp. range 

-80~400

ɗ

 (-112~752

ə

)

Accuracy (T) 

±1% of rdg + 1%: 200~400

ɗ

, others±0.4% rdg + 0.6

ɗ

/1.2

ə

 

Temperature 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 this mode. 

PWR:

 Long press 

“PWR”

 to turn on the meter or press it to turn off the meter.   

Display shows “        “means the meter will turn off automatically after 15 minutes   

if no press action is taken. To disable auto power off function, when the meter is off, 

press and hold 

“HOLD”

 button then press 

“PWR”

 button to turn on the meter,   

the primary LCD shows as the right picture, now the sleep mode is disabled. 

3

Operating Temperature

-10 to 50ºC (14 to 122ºF)

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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