This page answers some of the most common questions received at GASTEC from kids like yourself.
Why does the gas detector tube change colour?
Why is the length of the colour change in the gas detector tube different, depending on the concentration of the target gas?
Why does the oxygen detector tube become hot during measurement?
What is the "ISO"H
What is "ISO9001"?
When was the detector tube invented?
Where are detector tubes in use?
