EN12021 states that a competent person should test the quality of the air supplied for breathing apparatus at least once every three months.
The Breathing Air Test Kit measures Oxygen, CO, CO2, Water Vapour and Oil Mist at compressors or at user points.
Lightweight and portable kit in a robust carry case
Allows simultaneous testing of upstream and downstream air purity
Compressed air pressures of up to 10 bar g
Oxygen analyser for constant real time display of O2 content within the air system
Video showing the operation of the Airqual 1 system: