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.
Negative gauge pressure measurement products
- Vacuum suction sensor & wall mount digital readout with switched contacts
- Under and Over pressure monitoring -10…+200 mb pressure transmitter
- Leak testing set for checking 1mb/min drop at negative 10 mbar vacuum
- -1 to 6 bar differential RS485 Modbus RTU freshwater pressure sensor for farming use on a 6bar line
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 negative pressure using a positive differential pressure range
- 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
- Can you measure vacuum using a gauge pressure range
- What does negative and positive gauge pressure mean
- Can you have a minus 20 psi gauge vacuum measurement range