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Signal Group is a leading manufacturer of gas analysers, systems and accessories for monitoring emissions to air.  Products include fixed and portable CEMS, Air Quality Monitoring systems and automotive exhaust emissions systems.
Signal

 

Signal Products

Signal Streetbox Monitor
Signal Streetbox Monitor
 

The StreetBox from Signal provides unobtrusive, accurate measurments of urban pollution levels. Designed primarily for gathering ambient pollution trend information, it is useful for baseline studies where the need for more accurate investigations may be needed.

With an internal memory capacity of 500Kb for several months of data storage, the StreetBox has the ability to record up to 3 gases including CO, NO, H2S, NO2 and SO2. Additionally the Streetbox can measure PM2.5 and PM10 particulate with a sensitivity of 1µg/m3. Data is downloaded via a license exempt radio link to laptop, negating the need for cables and ladders, or remotely via a GSM connection. Alternatively is can also be manually attached with a direct link.

Power for the gas only version is supplied by internal batteries allowing typical monitoring times of up to 6 months, whilst the PM10version requires power from an external source (eg mains or lamp post) as it contains an internal pump.

Constructed from weatherproof plastic and quickly and securely mounted to street furniture, the StreetBox is the ideal rental solution for short to mid term hires.