• ±2psi range, 11 Selectable units of measure
• Max/Min/Avg recording and Relative time stamp
• Data Hold, Auto power off and Zero function
• Large LCD display with backlighting
• Heavy duty, double-molded housing
• Built-in USB port (Windows® compatible PC software and cable included)

Offering 11 selectable units of measure, the HD700-NIST Differential Pressure Manometer can serve as a low range/high resolution Gauge or provide Differential Pressure up to 0 to 55.40 in. H2O (inches of water). Max/Min recording and Relative time stamp are useful features, as are HD700-NIST's Data Hold and Auto Power Off functions. The 2psi HD700-NIST also features Zero function for offset correction or measurement and a built-in USB interface. Comes complete with 9V battery, software with USB cable, AC Adaptor, connection hose, built-in stand, and hard carrying case. Includes certificate traceable to NIST.