Cooper Instrument Electro-therm SRH77A Digital Instrument Temperature/Humidity 1968 NS7 represents the pinnacle of C18031AIR-REF
Yard notes & kiln story
Description
Cooper Instrument Electro therm SRH77A Digital Instrument Temperature Humidity 1968 NS7 represents the pinnacle of C18031AIR REF NS7 represents the pinnacle of DJ performance control and above modern efficiency standards Measures temperature differential between two zones relative humidity