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Hanna Instruments Canada
Customer Support: (800) 842-6629

Checktemp®4 Celsius Folding Thermometer – HI151-02

The HI151 Checktemp®4C is a pocket folding digital thermometer with stainless steel penetration probe. It offers an ergonomic design and delivers high accuracy measurements over a wide temperature range.

  • CAL Check™
  • Stainless steel probe
  • Ergonomic design


The folding Checktemp®4 provides practical temperature measurement for the food service industry. This thermometer fits comfortably and securely in your hand while the LCD on the side of the handle remains easy to see and read. The fast-responding, fold-away probe is made of high-quality stainless steel and can penetrate semi-frozen and semi-solid foods such as meats, ice cream, and cheeses.

The Checktemp®4 automatically turns on when the probe is opened. When finished with measurements, simply wipe the probe clean and fold it away. Checktemp®4 automatically turns off once the probe is returned to its original position so you can safely carry it in your pocket.

Features at-a-glance

CAL Check

As you unfold the stainless-steel probe, the Checktemp®4 automatically turns on and immediately performs a calibration test. This unique Hanna feature provides the security of knowing you have accurate measurements. CAL Check™ also lets you know if your battery level is low or if your meter requires recalibration.

AISI 316 Stainless Steel Probe

The sharp-tipped penetration probe is composed of stainless steel, providing fast and accurate temperature measurements of a wide variety of samples.

Enhanced Battery Life

The Checktemp®4 uses AA batteries and offers an exceptional 25, 000 hours of continuous use.

Auto Shut-off

The battery life of the Checktemp®4 is preserved by this feature which automatically turns the meter off after 8 minutes of non-use.

Additional information

Weight 0.45 kg


Temperature Accuracy

±0.3°C ±1 digit (-20.0 to 90.0°C); ±1% F.S. ±1 digit (outside)

Temperature Range

-50.0 to 220°C


SKU HI151-02
Name Checktemp®4 Celsius Folding Thermometer – HI151-02
Temperature Range -50.0 to 220°C
Temperature Resolution 0.1°C (-50.0 to 199.9°C); 1°C (200 to 220°C)
Temperature Accuracy ±0.3°C ±1 digit (-20.0 to 90.0°C); ±1% F.S. ±1 digit (outside)
Unit of Measurement 48
Temperature Probe stainless steel probe with penetration tip; 117 x dia 3.5 mm (4.6 x dia 0.14”)
Automatic Shut-Off auto-off after 8 minutes of non-use
Battery Type/Life 1.5V AA / approx. 25,000 hours of continuous use
Environment 0 to 50°C (32 to 122°F); RH max 95%
Dimensions 165 x 50 x 20 mm (6.5 x 2.0 x 0.8”)
Weight 100 g (3.5 oz.)

Ordering Info

HI151-02 (Checktemp 4 C) is supplied complete with battery and instructions


Checktemp®4 Celsius Folding Thermometer – HI151-02