Manometer Differential Pressure Gauge GR 189A Dual Port Gas Tester 11 Selectable Units Professional Air Meter with Backlight

High accuracy: The digItal manometer use of low power sensing and measurement makes barometric pressure measurement faster and more accurate. Measuring range: ±2.000psi; Resolution: 0.001; Accuracy: ±0.3% FSO (at 25°C); Repeatability: ±0.25%; Linearity/Hysteresis: ±0.1% FSO of full scale; Limited maximum pressure: 6Psi 11 selectable units: The digital manometer easily switch between Psi, kPa, Kgfcm2, ozin2, Bar, mbar, inHg, mmHg, inH2O, ftH2O and cmH2O to set your most frequently used units at will Dual port:Dual port manometer can test positive and negative pressure and measure dIfferential pressure between two zones (P1-P2).Large LCD display with backlight for easy reading and data logging functions, with measurement of differential pressure, positive and negative pressure, large LCD backlight, auto power off function, max/min logging function, data saving function Application: Made of durable, high temperature and impact resistant ABS material, including hoses and metal fittings, for gas appliances, HVAC, piping, pneumatic applications, field work and mobile pressure measurement Portable and Service: The digital manometer weight only 134g / 0.30lb. Size:160*62*31mm / 6.3*2.4*1.3in. This size and weight can be carried with you.It is an ideal tool for electrical measurement. If you encounter any problems during use, please contact us in time