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
800 to 1200 mbar atmospheric pressure transmitter - Reliable barometric pressure sensor for OEM applications requiring atmospheric pressure compensation in scientific and process instrumentation.
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.
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
- 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
