MSL or Mean Sea Level is the average height of the ocean surface. Mean sea level is a significant datum reference for meteorological and altitude related pressure measurements, e.g. standard atmospheric pressure at mean sea level is 1013.25 hPa or 29.92 inHg.
Featured atmospheric pressure measurement products
Ex rated ambient pressure sensor with 800-1100 mbar range - Could you give details of a high accuracy pressure sensor which measures ambient pressure (800 to 1100 mb) for environmental purposes.
1013 to 1400 mbar barometric pressure transmitter & readout - barometric pressure transmitter that can measure ambient air pressure from 1013-1400 mb in a chamber and provide a 4-20 mA output signal.
Glossary of Pressure Reference technical terms
- Gauge Reference Pressure
- Negative Gauge Pressure
- 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
