Extech Differential Pressure Manometer, 2 PSI

�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) Specifications Dimensions 8.2x2.9x1.9in (210x75x50mm) inH?O 55.40inH?O (0.01inH?O) Mbar 137.8mbar (0.1mbar) Kpa 13.78kPa (0.01kPa) inhG 4.072inHg (0.001inHg) mmHg 103.4mmHg (0.1mmHg) ftH?O 4.616ftH?O (0.001ftH?O) kgcm� 0.140kgcm� (0.001kgcm�) cmH?O 140cmH?O (0.1cmH?O) PSI 2psi (0.001psi)