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Pressure.
You measure it with an aneroid gauge.
Both units are based on the imperial Pounds per Square Inch (PSI). The suffix A refers to Absolute pressure, while G refers to Gauge pressure. Gauge pressure is defined as the difference between the measured pressure and atmospheric pressure. Most pressure measuring devices (gauges) measure the gauge pressure, as one side of the gauge is exposed to atmospheric pressure.
In ambient air, with a barometer. In a tire or tank, with a diaphragm gauge.
It means pounds per square inch gauge and Is used to measure pressure
to measure pressure
Bourdon's tube pressure gauge cannot be used to measure negative pressure. This is because absolute pressure must be measured and the Bourdon gauge only indicates the gauge pressure.
A Bourdon Tube or a Bellows gauge
i need to explain what an absolute pressure gauge measures
Pressure.
to measure pressure
The fuel tank pressure sensor is for the EVAP system. It has nothing to do with the fuel gauge sending unit.
To measure pressure
To measure air pressure.
Pressure gauge
The stock oil pressure sensor on a 97 Saturn can be replaced with an oil pressure gauge for poundage info by first unscrewing the existing sensor. The new sensor can then be screwed into place and wiring ran to a suitable pressure gauge.
A manometer is a pressure gauge. A micro manometer is either a really small pressure gauge, or a pressure gauge used to measure really small pressure difference.