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
- Minus 15 mbar (6 inH2O) range suction pressure transmitter
- -15psig 0-10V out negative pressure transducer and display for air extraction use
- -1 to 6 bar differential RS485 Modbus RTU freshwater pressure sensor for farming use on a 6bar line
- Negative 30 inHg vacuum gauge with 0-10V output
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
- Can you measure vacuum using a gauge pressure range
- What does negative and positive gauge pressure mean
- Measuring negative pressure using a positive differential pressure range