The 2 channles thermocouple meter has functions of data hold and backlight as well as MAX/MIN and low battery indicator. This thermocouple thermometer can be used in HVAC trade to check air conditioners, heaters or furnaces. It is also great for science fair projects and whenever you need a precise measurement of two temperatures. Send InquiryDigital 2 Channels K-Type Thermometer 2 Thermocouples -50~1300°C ... operate with 6 simple buttons with clear indications, suitable for beginners and professional users. Factory calibrated. Has reset to factory setting ... Thermometer with 2 thermocouple probes Display Type: LCD Ean : Material: ABS Model Number: 68022 ...The SCC-TC Series thermocouple input modules, SCC-TC01 and SCC-TC02, accept input signals from B-, E-, J-, K-, N-, R-, S-, and T-type thermocouples. The thermocouple inputs are filtered and passed into a differential amplifier with a gain of 100. The output of the amplifier passes through a dual-pole 2 Hz filter.