Barometric Pressure Measurement

When a room is gas-tight, there will be a differential pressure between the storage room and the outside. In a high-pressure weather front, a negative pressure will occur in the room compared to the outside and vice versa. A gas-tight room will in most cases not be affected by barometric pressure fluctuations.

If a room is not sufficiently gas-tight, the air pressure difference will be equalized via the leaks. At a high-pressure weather front this results in an increase of oxygen level in the room.

To see whether or not your rooms are affected by a weather front, an electronic barometric pressure sensor can be integrated in the Besseling Atmosphere Control Station. If the oxygen concentration unexpectedly rises in one or more rooms, it can by easily analyzed by overlaying the graphs whether this is caused by an increase in barometric pressure.