• HI98501 CHECKTEMP High Accuracy Digital Thermometer
Hanna Instruments

HI98501 CHECKTEMP High Accuracy Digital Thermometer

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Perfect for calibrating your temperature probe

Checktemp® Digital Thermometer is a great choice for easy operation with clear digits and better accuracy over a wide range.

  • Easy read digital display - whatever the viewing angle. 
  • Simple to use with a direct measurement probe. 


The HI 98501 Checktemp® is a digital thermometer with stainless steel probe that delivers high accuracy temperature measurements over a wide temperature range without worrying about breakage or condensation. 

The Checktemp® offers NO breakage, NO waste, NO injuries and NO difficulty in reading; the digital display prevents a parallax error (observing the wrong measurement due to the angle of view) and is optimized for a wide range of environmental temperatures. Checktemp® is provided with Hanna’s unique CAL Check™ function for accurate measurements every time. The Checktemp® implements a CAL Check™ upon startup and reports the status as 0 or Err. 

Checktemp® is the ideal instrument for measuring temperature according to HACCP requirements. 

Features at-a-glance:

  • ±0.2°C (±0.5°F) - Accuracy
  • Most accurate temperature tester in the world
  • CAL Check™ - Automatically verifies calibration at startup
  • °C/°F Status – User selectable
  • Large display with wide environmental temperature range and viewing angle.
  • IP 65 water resistant protection
  • HACCP Compatible - Use as a tool for control in HACCP analysis
  • AISI 316 stainless steel penetration Probe
  • 3000 hours of battery life (Continuous use)
  • Auto-Off (select from 8 min., 60 min., or turn the feature off)



Range (°C)

-50.0 to 150.0°C

Range (°F)

-58.0 to 302.0°F

Resolution (°C)


Resolution (°F)

0.1°F (58.0 to 199.9°F); 1°F (200 to 302°F)

Accuracy (°C)

±0.2 ºC (-30.0 to 120.0 ºC); ±0.3 ºC (outside: -50.0 to -30.0 ºC and 120.0 to 150.0 ºC)

Accuracy (°F)

±0.5 ºF (-22.0 to 199.9 ºF); ±1 ºF (outside: -58.0 to -22.0 ºF and 200 to 302 ºF)


fixed, stainless steel probe

Power Supply

3VCR2032 Li-ion Battery

Battery Life

approx. 2000 hours of continuous use


auto-off after 8 minutes of non-use


-20 to 50°C (-4 to 122°F); RH max 95%


70.4 x 50.5 x 22 mm (2.8 x 2.0 x .9’’) body only


51.3 g (1.8 oz.)

Recommended Use

education, food (storage, transportation, manufacturing, cooking), laboratory

Ordering Information

HI 98501 (Checktemp®) is supplied with probe, protective cap, battery and instructions.


1 year