Manometer Professional Air Pressure Meter Dual Port Manometer Pressure Gauge | Desertcart SINGAPORE
Manometer , Professional Air Pressure Meter ,Dual-Port Manometer Pressure Gauge HVAC Gas Pressure Tester Measuring Range: ±20.68 kPa / ±2.999 psi ( Batteries included )
Manometer , Professional Air Pressure Meter ,Dual-Port Manometer Pressure Gauge HVAC Gas Pressure Tester Measuring Range: ±20.68 kPa / ±2.999 psi ( Batteries included )
有问题吗？看看别人问了什么
can the units be switched from psi to "WC?
What is the thread size of the barb metal connector - 1/4 in. or 3/8 in?
why are there 2 connector ports?
Why does it read -.018"H2O without even taking the measurement? That would be quite an error.
