Efficient and safe
July 1st 2007 The new Crowcon Hydra
addressable gas detection system
provides a new way of detecting
toxic gases from vehicle exhausts,
such as Carbon Monoxide (CO),
oxides of Nitrogen (NO/NO2) and
petrol vapour, in enclosed or
underground car parks.
Many car parks run ventilator fans
continuously, but this is very
inefficient and energy intensive. The
Crowcon Hydra offers an alternative
method of gas monitoring so fans
only need to run when required.
Addressable gas detector systems
like the Crowcon Hydra also cost
less to install than conventional
point-to-point systems, with a single
control unit capable of monitoring up
to 120 separate gas detector heads
distributed throughout a car park.
The system has four
programmable relays for controlling
fans and/or alarms, and a further
128 outputs can be added. More articles from Crowcon Detection Instruments Ltd: | 
