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Valve Selector
The Valve Selector Unit is a microprocessor-controlled device and serves as
supplementary module to the
for timer regulated switching
between up to five gas entrances. This enables the AlphaGUARD Radon Monitor
for quasi-simultaneously monitoring the radon concentration of up to five different
environments by performing successive measurement steps in an always
repeating manner.
The adjustable measurement regime can be passed through one by one in a
repeating sequence or can be interrupted by a flushing cycle between each
Figure 64: Multi-spot measurement using the Valve Selector Switch Box
For details regarding the operation of the Valve Selector please see the
Valve Selector Manual.