MA-170 Digital Manometer is a safe, accurate and environmentally friendly alternative for measuring vacuum levels. The gauge is mercury-free and uses an absolute pressure transducer to give instant digital display of applied vacuum from 0-1,000mm Hg. Resolution is 0.1mm. A 0.25in hose barb connection with a needle valve is supplied for vacuum tubing. Powered by a 9V battery, or included 110V AC adapter. Automatic shut-off saves power in battery mode. Overall Dimensions: 3.1x6.5x1.18in (78.7x165.1x30mm), WxDxH.
MA-170C Calibrated Digital Manometer meets requirements of AASHTO T 209, and undergoes multi-point calibration at 25, 30 and 35mm Hg. on NIST traceable equipment. MA-170C is supplied with a calibration certificate.
MA-166 Mercury Manometer has sliding scale graduated above and below zero to 130mm by 1mm. The U-tube is mounted on a wooden stand and comes complete with mercury.