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Hanna Instruments HI147-00 Checkfridge thermometer


  • Perfect for refrigerator and incubator monitoring
  • Magnetic backing
  • Food grade stainless steel thermistor probe on 1 m (3.3’) cable
  • Fast response
  • ±0.3°C accuracy
  • CAL CHECK® verification at 0°C
  • Low battery warning


Few manufacturers have given any thought to providing the user a convenient means to monitor internal temperature conditions of a refrigerator or freezer from the outside.

Water testing laboratories require constant monitoring of refrigerators and incubators for compliance to standard operations. The HANNA HI 147 Checkfridge™ is the ideal thermometer for accurate, reliable internal temperature readings.

How do you know when the reading on the thermometer is correct? An ice point or slurry could be made. Even then there could be several degrees difference in the real vs theoretical temperatures. With the HI 147, there is no need to waste time preparing and ice bath for making these tests. It’s unique CAL CHECK® feature can simulate it. Conveniently located on the face of the thermometer is a TEST switch. Engage the switch and the HI 147 performs an internal calibration check. In only a few seconds, you see the results on the large LCD. Return the switch to the READ position and the HI 147 returns to its normal measuring status.

Order Information:
HI 147-00 (Checkfridge? C) is supplied with battery and instructions
HI 147-01 (Checkfridge? F) is supplied with battery and instructions
HI 147-001 (Checkfridge? C) is supplied with calibration certificate, battery and instructions

Range HI 147-00 -50.0 to 150.0?C
HI 147-01 -58.0 to 302.0?F
Resolution HI 147-00 0.1?C
HI 147-01 0.1?F (-58.0 to 199.9?F)
1?F (200 to 302?F)
Accuracy HI 147-00 ?0.3?C (-20 to 90?C); ?0.5?C (outside)
HI 147-01 ?0.6?F (-4 to 194?F); ?1?F (outside)
Calibration Check   manual, through switch
Temperature Probe   stainless steel, general purpose with 1 m (3.3?) cable (fixed); 40 x dia 5 mm (1.6 x dia 0.2??)
Battery Type / Life   1.5V AAA / approximately 3 years of continuous use
Environment   0 to 50?C (32 to 122?F); RH max 95%
(meter only)
  93 x 39 x 31 mm (3.7 x 1.5 x 1.2??)
Weight   60 g (2.1 oz.)

Add to Cart:

  • Shipping Weight: 0.35Kg
  • 10 Units in Stock

This product was added to our catalog on Tuesday 30 November, 1999.

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