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ATB1 – Type-K Thermocouple

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The ATB1, Type-K bead thermocouple is used to take temperatures of air, surfaces, or liquids up to 400°F. Use the ATB1 for outdoor dry bulb temperatures when finding target superheat. The ATB1 can be used with any of our meters that measure temperature and any thermometer accepting a Type-K thermocouple.

The wrap-tab allows the thermocouple wire to conveniently store on the plug. Just wrap the excess wire around the wrap-tab and feed it through one of the eyes. Keep a few of them set at different lengths for fast, job-specific, switching between thermocouples. No more tangled messes in your tool bag.


Accuracy: +/- 4ºF (2°C) ; ±1°F (0.5°C) after field calibration, 32 to 176ºF (0 to 80°C)
Temperature range: -50 to 400ºF (-46 to 204°C)
Thermocouple conductors: Type-K nickel chromium/nickel aluminum.
Probe insulation: Calibration and atmosphere will affect maximum useful temperature in applications. The wire insulation is designed to withstand a maximum continuous use at 400°F (204°C).
Plug: Type-K thermocouple male mini plug.