The Therma 22 Plus Waterproof Thermometer is housed in a robust ABS enclosure to prevent water ingress during use, submersion, or wash down. With a waterproof rating of IP66/67, the Therma 22 Plus is ideal for harsh environments where even the probe connection needs to be waterproof.
Therma 22 Plus probes are configured with a Lumberg watertight screw-locking connector to keep the probe securely connected and waterproof. Select from any of our type T and Thermistor probes and the Therma 22 Plus will measure the correct temperature automatically without changing settings.
With thermistor probes the Therma 22 Plus delivers system accuracy of ±0.7°F (±0.4°C) or better*. This includes all meter, probe and interchangeability errors. Add a replacement thermistor probe later and you'll still be within spec. With thermistors, the Therma 22 Plus reads from -40 to 302°F depending on the range of the probe itself.
Our Type T Thermocouple probes are typically faster than thermistors, they cover wider ranges and we offer a larger variety of probe types. When reading thermocouples, accuracy is ±0.9°F (±0.5°C)*. Using thermocouples, the Therma 22 Plus reads from -328 to 752°F depending on the range of the probe. With a battery life of 10,000 hours, the Therma 22 Plus will never need a battery change.
If you're looking for a rugged meter with the flexibility of dual sensor types, this is the unit for your toolkit. You won't find a better value with this level of performance!
*Depending on range. See Specifications for more detail.
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Everything you need to know about the Therma 22 Plus Dual Sensor Meter (Type T Thermocouple and Thermistor). Browse full specifications and additional product support details below.
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Measurement RangeFrom -39.8 to 301.8 °FFrom -327.8 to 752 °FFrom -39.9 to 149.9 °CFrom -199.9 to 400 °C
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Accuracy±0.7 °F From -13 to 230 °F±0.9 °F From -58 to 302 °F±0.4 °C From -25 to 110 °C±0.5 °C From -50 to 150 °C
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Battery Life10,000 hours
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CertificatesIncludes NIST-Traceable calibration certificate
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Display Resolution0.1 to 572°F (300°C) thereafter 1
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Auto-Off/Sleep Mode10 minutes
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Battery Type3x AAA (1.5 V)
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Sensor TypeType T Thermocouple or Thermistor
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IP RatingIP66/67
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Dimensions5.5 H x 2.8 W x 1.25 D inches (141 H x 71 W x 32 D mm)
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Display Size1.3 H x 1.7 W inches (33 H x 43 W mm)
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Weight0.49lb. (220g)
Accessories
Therma 22 Plus Dual Sensor Meter (Type T Thermocouple and Thermistor)
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