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 transmitter for chlorine, hydrogen chloride and nitrogen oxide gas with NaOH solution - Capacitive ceramic sensor with PVDF and FFKM materials provides a stable vacuum measurement in gas scrubbers containing chlorine, HCl, and NOx, plus NaOH solution.
DS200P Sanitary Low Range Pressure Gauge, Switch and Sensor - All in one electronic switch, gauge and sensor designed specifically for use in the food, drink and biomedical industry for measuring process pressures.
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
- Not reading zero when pressure is vented to atmosphere
- What does negative and positive gauge pressure mean
- Measuring negative pressure using a positive differential pressure range





