The ExTemp is a series of intrinsically safe two-wire infra-red temperature sensors. The two wires are used for both the 4-20mA power/analogue output and digital communication for configuration of settings such as emissivity.
The device consists of a PCB assembly housed in a cylindrical stainless steel enclosure of IP65 rating. The enclosure incorporates a lens at one end behind which is located an infra-red thermopile
mounted on a daughter PCB. The permanently attached cable of up to 25m length exits through a cable gland at the other end of the enclosure.
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