Negative Gauge Pressure is the difference in pressure between any vacuum and atmospheric pressure.
The maximum possible negative gauge pressure is always limited by the current ambient atmospheric pressure, which constantly varies, but is typically around 1 bar absolute.
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Glossary of Pressure Reference technical terms
- Absolute Pressure
- Compound Pressure Ranges
- Differential Pressure
- Gauge Reference Pressure
- MSL – Mean Sea Level
- Reference Pressure
- SG – Sealed Gauge
- Suction Pressure
- Vacuum
- Vented Cable
- Vented Gauge
Help from Pressure Reference resources
- Not reading zero when pressure is vented to atmosphere
- Measuring vacuum with negative gauge or absolute ranges
- What is the difference between gauge and absolute pressure measurement
- What does negative and positive gauge pressure mean
- Measuring negative pressure using a positive differential pressure range
