Compact Air Electronic Gauging Instrument includes diaphragm based pressure transducer, LVDT probe, pressure regulator/ filter and microprocessor based electronics for signal processing. The Instrument is a direct replacement for regular dial based air gauging systems or air gauging system based on discrete electronic. The Instrument is made using quality grade raw material which ensures optimum durability along with long lasting trouble free service. Compact Air Electronic Gauging Instrument is application specific in design and accurate in dimension.