Benetech GM-511 Pressure Manometer

The Benetech GM-511 Digital Pressure Manometer is a high-precision measuring instrument designed to measure positive, negative, and differential air pressure with ease and accuracy. Featuring dual input ports, a wide measurement range, and 11 selectable pressure units, this device is ideal for HVAC systems, gas pipelines, laboratory testing, and environmental monitoring. Its large backlit LCD, data hold function, and compact, handheld design make the GM-511 a reliable and user-friendly tool for both professionals and technicians.