Digital Manometer Gas Pressure Tester, Differential Pressure Gauge, Portable Air Pressure Gauge With LCD Backlight.

【Professional Air Pressure Meter】Made by ABS plastic, the portable differential pressure gauge is durable for use with ±0.3% FSO Resolution and ±2.999 Psi measurement range, be able to auto shutdown, test temperature, device zero and remind low battery(≤6.8V) 【12 Units Gas Manometer】The gas pressure gauge could smoothly shift 12 units for different needs (mmHg, inHg, ftH₂O, cmH₂O, inH₂O, Pa, KPa, mbar, bar, psi, Kgcm² and ozin²) , and remind error when the test range is over 20.68KPa 【Easy to Use】With 2* 25cm-long hoses and 1*metal thread, the dual port manometer makes pressure test between two gas containers much easier. You will get a positive or negative reading when you choose different ports on the top to install the hose 【Data Recording & Holding】The gas pressure manometer could store 100 groups data, display max and min reading during a recording period and support data holding. If you have any question about our product,we are pleasure to offer help to you