... mmHg,inHG, inH2O, psi). Key Features:VA8070 is an absolute pressure measuring instrument with 8 units(Pa, hPa, mbar, mmH2O, ... , psi).It is normally used to measure absolute pressure, e.g. for pressure compensation in velocity measurement in ducts, laboratories and ... , you can find it is the most economic instruments for pressure meterSPECIFICATIONS: MeasurePa, hPa, mbar, mmH2O, mmHg, inHG, inH2O, psi, ...