RA20

Digital gauge / RPM & Working hours counter

RA20 is a programmable unit, fit for systems where high precision engine revolutions reading and engine management are required. Input signal is provided by alternator “W” contact or coming from the most common transducers (magnetic pick-up on crowned wheel or PNP and NPN proximity switches). Working Hours alarm is used fot maintenance or oil change management. Instrument can be set to read very low RPM, also displayed with a decimal digit.