Flameproof Digital Vacuum Indicators are the instrument which finds broad applications in online nonstop vacuum measurement at vacuum pumps, refining sections, reactors, vacuum lines, furnaces and so forth in risky (Ex-proof) territories with instruments housed in flameproof nooks affirmed by Central Institute of Mining and Fuel Research (CIMFR), Dhanbad, India, a specialist with global endorsements and procedures. Sensors utilized are in-constructed imported Stainless Steel with S.S. 316 wetted parts and diaphragm with 1/2" BSP Male threading association.