Showcase of world's first self-powered CO2 sensor at ISH 2011

Gas Sensing Solutions (GSS) will showcase the world's lowest power CO2 gas sensor enabled by revolutionary EnOcean self-powered wireless technology at ISH 2011 - the leading international trade fair for innovative bathroom design, energy efficient heating and air-conditioning technology and renewable energies - taking place in Frankfurt, 15-19 March.

Scottish-based GSS recently joined the EnOcean Alliance as a member and will demonstrate its innovative COZIR sensor product to the building services industry for the first time on the Alliance Booth (D10, Hall 10.2). Since becoming a member, GSS has been working closely with the EnOcean Alliance and its other member companies to integrate the EnOcean Standard in its product portfolio.

Enabled by EnOcean self-powered wireless technology, the COZIR CO2 sensor works entirely without batteries and is absolutely maintenance-free. It also has very low power consumption and a fast warm-up time of less than two seconds, making it ideal for applications such as Indoor Air Quality (IAQ) monitoring, Heating, Ventilation and Air Conditioning (HVAC) systems, Horticultural and Building Control. COZIR utilises EnOcean's energy harvesting technology in which the sensor draws ambient energy from motion, light or temperature differences in its surroundings.

Using available room light to power the CO2 sensor, three readings are taken every 10 minutes and the values are sent wirelessly to a receiver, which sets an alarm to open a ventilation system, for example. When no room light is available the sensor operates on stored energy in energy storage mode, taking fewer measurements or only sending signals when critical values are measured. In this way EnOcean-enabled devices can work fully autonomously, at low cost.

The COZIR CO2 sensor incorporates a non-dispersive infra-red (NDIR) configuration based on GSS patented technology, combined with low loss compact injection moulded optics and low noise electronics. It consumes only 3.3mW in continuous operation, with two CO2 measurements per second, which is typically 50 times lower power than standard NDIR sensors. The sensor is available in three ranges: 0 to 2000ppm, 0-1 percent or 0-2 percent.

The COZIR low power consumption sensor offers many benefits compared to conventional NDIR CO2 gas sensors. Key product features include: Average current is less than 1.1mA Operating voltage 3.3V Short warm up time ( < 2secs) Power consumption = 3.3mW (continuous operation) Compatibility with EnOcean Standard wireless communications

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