
TPI 621 Digital Manometer - Dual Differential Input Manometer with ±120 inH2O range and 0.001 in H2O resolution. Seven units of pressure: inH2O, mbar, KPa, PSI, mmH2O, mmHg, inHg, Auto power off, Backlight display, Zero function, Trim mode to stabilize readings. This model measures over the range of -40.0 to +120.0 mbar. Each unit has increased resolution of 0.01 mbar and automatically auto-ranges at + 19.00 mbar to 0.1 mbar resolution. Each is supplied with carry pouch, battery and instruction manual.

