The device measures Gauge/Differential Pressure from -55H2O to +55H2O (+2Psi).
It features 11 selectable units of measure: inH2O, psi, bar, mbar, Kpa, InHg, mmHg, ozin2, FtH2O, cmH2O, kgcm.
Large dual LCD with back light. Data hold. Max/Min/Avg value with relative time stamp. Zero adjust, offset and DIF function.
Additional features include Data Hold and Auto Power off disabled.
Careful use of this meter will provide years of reliable service.