1[High Accuracy Measurement] With a measurement range of 30Psi (206.8Kpa) and an accuracy of 0.3%FS, this digital manometer ensures precise readings. 2[11 Units] Switch effortlessly between 11 different units including PSI, kPa, Kgcm2, ozin2, bar, mbar, inHg, mmHg, inH2O, ftH2O, and cmH2O, versatile for various measurement needs. 3[Multi Features] This air pressure meter features data hold, maximum minimum average measurement, large LCD with backlit, low battery reminder, and auto power off function. 4[Data Recording] With the capability to store up to 32 data sets with timestamps, this gas pressure tester facilitates easy data analysis, suitable for various applications requiring data logging. 5[Wide Application] This differential manometer is ideal for measuring air and ventilation system pressure, pressure system calibration and troubleshooting, HVAC, gas equipment maintenance and installation, laboratory testing, and more. 1 x Digital Manometer 1 x Hose 1 x Metal Adapter 1 x Black Head 1 x User Manual 1 x Storage Box