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1 Channel High Accuracy 0.1% Type K, J, T Thermocouple Meter

Single J/K/T Input Thermocouple Thermometer


Item# HH-25U

Volume discounts available
Volume Discount Schedule
Quantity Price each
1-4 $115.69
5-9 $109.91
10-24 $107.59
25-49 $102.96
50-99 $100.65
100+ $98.34

In stock

Lead Time (If not in stock): 2 weeks
Single J/K/T Input Thermocouple Thermometer HH-25U HH-25U
  • Auto Power-Off with Disable Feature (15 Minutes)
  • Single Thermocouple Input
  • Large LCD Screen
  • Data Hold Function Freeze Readings on Display.
  • Maximum/Minimum Record for Each Power on Cycle
  • ºC or ºF Select Function
  • Low Battery Indicator

HH-25U Model Options

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Input Type
Minimum Temperature Measurement
Maximum Temperature Measurement
Input Connection Type
Display Type
Accuracy Value
Supply Power
Number of Channels


The HH-25U handheld thermocouple thermometers feature Type K, J, T thermocouple inputs and are available in single input models. The HH-25U is a single-input model that has an auto range resolution of 0.1 or 1°. are °C/°F switchable, and maximum/Minimum reading/display hold functions and low battery indicator. Offered at an economical price.

Input: Single K/J/T
Temperature Range K: -200 to 1370ºC (-328 to 2498ºF)
Resolution (K): 0.1ºC (0.1ºF), over 1000ºC 1ºC/1ºF
Accuracy (K): ±(0.1% rdg + 0.5°C) for -50 to 1370°C others ±(0.1% rdg + 2°C)
Temperature Range J: -80 to 760ºC (-112 to 1400ºF)
Accuracy (J): ±1% of rdg + 1ºC/2ºF
Temperature Range T: -80 to 400ºC (-112 to 752ºF)
Accuracy (T): ±1% of rdg + 1% 200 to 400ºC, others ±0.4% rdg + 0.6 ºC/1.2ºF
Temperature Coefficient: 0.1 times the applicable accuracy specification per °C from 0 to 18°C and 28 to 50°C (32 to 64°F and 82 to 122°F)
Function: Max/Min. hold
Power: 9V battery
Dimensions: 159 L x 55 W x 38 D mm (6.25 x 2.16 x 1.49")
Weight: 170 g (6 oz)
Operating Temperature: -10 to 50ºC (14 to 122ºF)
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Carrying case for HH-25U
49 In Stock
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