Manometer 12 Selectable Units Differential Pressure Gauge, High Measurement Accuracy Handheld Dual Port Manometer,LCD with Backlight Gas Pressure Tester,Professional Air Pressure Meter（TC-169A）

A manometer can be used to measure Positive pressures and Negative pressure, it is also capable to measure differential pressure.

Digital Pressure Gauge is a professional high precision, high range, high resolution digital pressure gauge for indoor temperature measurement with a large screen display.

It can quickly measure the pre-ble detection pressure value and has a dual channel that can simultaneously detect the pressure difference between two detection ports.

12 Selectable Units Differential Pressure Gauge With Dual Tube Connector Dual channel and can simultaneously detect differential pressure between two detection ports