TRSI TA616B Industrial Handheld K-Type Thermocouple Thermometer, Dual Channel, Basic Version1. Suitable for multiple occasions, surface liquid air temperature measurement 2. Highly sensitive K type jack, high measurement accuracy, the thermocouple is in direct contact with the object to be measured and is not affected by the intermediate medium 3. The upper and lower limit alarm values ?? can be set, and the light prompts when the range is exceeded 4. LCD high definition double line digital display, clear reading, easy to measure in various