Measurements of air exchange in forced-ventilated rooms

Technical ventilation of rooms / monitoring ventilation systems for ex applications or for rooms with hazardous materials: battery production, mining, tunnels, laboratory, computer and clean rooms…

Application

In rooms where hazardous, explosive or aggressive gases might arise multiple and complete air exchange is necessary. This applies to production facilities for battery production, to battery rooms as well as explosion endangered manufacturing plants where environmentally critical gases and vapours can occur. LNG tanks and tunnels also need monitored air exchange. Air exchange can happen through natural ventilation or technical ventilation with fans. In both cases the exchange of air has to be recorded. If the ventilation fails there’s a warning or the process is being stopped. That’s why the measuring instruments are connected to the central process control. The measuring value can also be used to regulate the fan. Depending on the process and the hereby produced gas more or lees ventilation is necessary. This optimises the entire system’s energy use and therefore also contributes to environmental protection.    

Process data

Measuring task:
Recording the fan’s flow rate

Measuring point:
At the entry or exit of air into the room

Measuring range:
0.3 … 20 m/s

Process pressure:
Atmospheric

Process environment
Typically ATEX zone, often aggressive gas mixtures, to some extent SIL2 required