These units are used where sensor access may be difficult or require special access permits. The gas is drawn from area via a filter and flow fail mechanism to a sensor and analysed.
GDA 5000Tx: Sampling Toxic Gas Detector
Designed to be used where areas that are difficult to gain access due to distance or toxic environment. As well as to detect greater ranges of toxic gases using advanced Pyrolyzer technology converting electrochemically inactive gases to easily detected gases.