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.
Featured negative gauge pressure measurement products
Vacuum suction sensor & wall mount digital readout with switched contacts - Vacuum suction sensor that can provide a digital readout and a switched contact when the pressure gets too high
ATEX approved negative 10 mbar vacuum pressure transmitter - ATEX certified intrinsically safe pressure transmitter for measuring from 0 to minus 10 millibar gauge vacuum pressure.
Glossary of Pressure Reference technical terms
- Gauge Reference Pressure
- MSL – Mean Sea Level
- Reference Pressure
- SG – Sealed Gauge
- Vented Cable
- Vented Gauge
Help from Pressure Reference resources
- Measuring vacuum with negative gauge or absolute ranges
- What is the difference between gauge and absolute pressure measurement
- Measuring negative pressure using a positive differential pressure range
- Not reading zero when pressure is vented to atmosphere
- What does negative and positive gauge pressure mean





