By selecting specific sensors, it is possible to choose a variant of the sensor with different combinations of measured quantities (combination of two to five measured quantities).
Combined temperature, relative humidity, CO sensor 2 , atmospheric pressure and VOC - STHCPV 104 consists of a plastic head with grooves, in which a printed circuit board with individual sensors and a converter are located to ensure communication via the CAN bus. The temperature, relative humidity, atmospheric pressure and VOCs are measured by a common internal sensor whose signal is processed in a microprocessor and converted into a CANopen output signal with CiA DS 301 specification. The CO value 2 is measured by an NDIR module whose digital signal is also converted. CANopen with CiA DS 301 specification. An auto-calibration function is available for CO concentration sensor 2 to ensure that the sensor is set to the minimum CO value 2 .corresponding to the level of external concentration. The sensors temperature, relative humidity, CO 2 , atmospheric pressure and VOC - STHCPV 104 are conform to protection class IP 30 according to the modified standard EN 60529. Pleasant design and quality materials ensure that sensors temperature, relative humidity, CO 2 , atmospheric pressure and VOC - STHCPV 104 do not disturb even in interiors subject to high aesthetic requirements. The sensors de temperature, relative humidity, CO 2 , recommended atmospheric pressure and VOC are located at a height of 1,5 m from the interior wall, in the area of movement of people, away from sunny places and affected by the temperature of the walls, heat sources or lighting.
The sensors temperature, relative humidity, CO 2 , atmospheric pressure and VOC - STHCPV 104 are designed to operate in a chemically non-aggressive environment. Operating conditions to ensure the proper functioning of the CO sensor 2 are the following:
- ambient temperature: 0 to 45 ° C
- relative humidity: 0 to 85% (non-condensing)
- atmospheric pressure: 87 to 106 kPa