Fieldpiece ATA1 K-Type Thermocouple with Alligator Clip Accuracy: +/- 4 Degree F (2 Degree C) ; 1 Degree F (05 Degree C) after field calibration, 32 to 176 Degree F (0 to 80 Degree C) Temperature range: -50 to 400 Degree F (-46 to 204 Degree C) Thermocouple conductors: K-type 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-Degree F (204-Degree C) Plug: K-type thermocouple male mini plug