Duct Temperature Probe, Air and Gases, 10K Ohms Type 2 Thermistor, -40 Degrees to 302 Degrees Temp. Range (F), Probe Connector Bare Wire, Probe Material 304 Stainless Steel, Wire Length 4 In., Probe Length 8 In., Probe Dia. 1/4 In., -40 Degrees to 150 Degrees Temp. Range (C), Accuracy +/-0.2 Degrees C, Process Connection Flange, Probe OnlyManufacturers Warranty Length 1 yr.