Extech TM300 [TM300-NIST] Dual Input Thermometer Type K/J with NIST Calibration

Compact meter for differential temperature measurements.
The Extech TM300-NIST Type K/J Dual Input Thermometer measures Type K Temperature to 2501°F (1372°C) and Type J to 2012°F (1100°C). Its large backlit LCD displays T1, T2, T1-T2 differential, plus Min, Max, Avg. It features unique side-button controls for convenient one-hand operation. Functions include: readout in °F, °C, or K (Kelvin), Data Hold, Min/Max/Average with relative timestamp and an Offset key used for zero function to make relative measurements.