2-5000-250PA-NPT is a series 2-5000 Minihelic® II differential pressure gauge offers the latest in design features for a dial type differential pressure gage. It is our most compact gauge but is easy to read and can safely operate at total pressures up to 30psig. Typical applications include room positive pressure sensing, cabinet air-purging, medical respiratory equipment, air samplers, electronic air cooling systems, laminar flow hoods, local indication on filter status, face velocity on fume hood and duct pressures.