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Carbon monoxide (CO), nitrogen oxides (NOx) and hydrocarbons (petrol fumes) are toxic gases that occur in parking garages when explosion engines are used. As a hazardous atmosphere can easily arise, gas detection and efficient ventilation are necessary.
In the parking basement at Skejby Hospital, they have 118 detectors on 9 floors, which activate the ventilation in the event that the concentration of the harmful fumes becomes too high. Skejby Hospital staff and their patients can therefore arrive safely and securely and leave the hospital at any time of the day.
With Geopal’s MODBUS detector for car parks, we can offer both NOx (diesel) and CO (carbon monoxide) in the same unit, as both NOx and CO should be detected at respiratory level. The detector thus requires only a simple installation and is fully addressable. Each detector continuously measures the gas level and provides feedback to the Master PLC along with the status of the MODBUS device.
A GP-CU detector can be connected to the GP-BUS detector, which is typically used to detect CH (hydrocarbons) from petrol cars. The GP-CU detector is placed approx. 15 cm above floor level. See attached data sheet.
Geopal System A/S has provided various solutions for monitoring toxic gases in parking basements – see a selection of our references here.
