Check the listing for details. Handheld Digital Dual Channels Thermometer K-Type Thermocouple Sensor Tester. Condition: New. Listed at 23.99 USD. Product DescriptionLCD Dual Channel 2 K-Type Digital Thermometer Thermocouple Sensor Tester GM1312 Overview: The device is able to measure the temperature of the liquid/vapors and surface temperature of a solid object, with a considerable wider measuring range than those of mercury thermometer and alcoholmeter. Features: 1. The electrical compensation function provide the compensation to the thermocouple error so as to improve the overall precision. 2. To measure the thermocouple of J, K, T, E, N, S and R type. 3. Unit Celsius and Fahrenheit unit. 4. Human centered design, easy operation. 5. Double display with backlight shows T1/T2 and combination of T1 and T2.Functions: Data hold and auto power off. Max./ min./ average value measurement. LCD backlight. Celsius and Fahrenheit unit selectable. Dual channel input. Measuring Range: J-type:-210℃ to 1200℃ (-346℉ to 2192℉ ) K-type:-200℃ to 1372℃ (-328℉ to 2501℉ ) T-type:-250℃ to 400℃ (-418℉ to 752℉ ) E-type:-150℃ to 1000℃ (-238℉ to 1832℉ ) N-type:-200℃ to 1300℃(-328℉ to 2372℉ ) R-and S-type: 0℃to 1767℃ (32℉ to 3212℉ ) Resolution: 0.1℃/℉