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
Barometric & Atmospheric Pressure Gauges - Barometric pressure gauges with ranges up to 2 bar absolute, vital for industrial verification, environmental monitoring, and compensating measurements like humidity, air density, and airflow.
Non-vented submersible absolute range pressure and barometric sensor for measuring 10m water level - Learn how to use a non-vented submersible sensor with a barometric pressure sensor for accurate water level measurement in challenging installations.
Glossary of Pressure Reference technical terms
- Absolute Pressure
- Compound Pressure Ranges
- Differential Pressure
- Gauge Reference Pressure
- Negative Gauge Pressure
- Reference Pressure
- SG – Sealed Gauge
- Suction Pressure
- Vacuum
- Vented Cable
- Vented Gauge
Help from Pressure Reference resources
- Not reading zero when pressure is vented to atmosphere
- Measuring vacuum with negative gauge or absolute ranges
- What is the difference between gauge and absolute pressure measurement
- What does negative and positive gauge pressure mean
- Measuring negative pressure using a positive differential pressure range
