The HANNA HI 147 Checkfridge™ is the ideal thermometer for accurate, reliable internal temperature readings. 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.

• 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