The 2170A is a Thermocouple input Digital Thermometer. The 2170A accepts J, K , T or E thermocouples. The 2170A has 0.1 degree C or F temperature resolution. The 2170A is a modular panel-mount unit conforming to DIN standard 43700. The 2170A fits 4.5 cm high by 9.2 cm wide panel openings.