This is a unique thermocouple Panel Meter that direly reads a Type K thermocouple. The Red pointers can be adjusted to close contacts when the meter rises above or falls below specified setpoints. You can see in the pictures that at a 500°C meter reading the voltage with the specified 10ohm resistor in series is 21.3mV which closely matches the type K specifications.
From 2013 Freightliner with 30,000 miles, thats why we think the hours of this unit are supposed to be low. It has light scratches on the cover. All the wireing and control units from inside the truck are included.
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