![DURPARK™ RS485 NO2 Detector 0-20ppm (Red Ring) [DKDTNO2RS]](http://en-shop.sysaway.com/cdn/shop/products/DKDTNO2RS_grande.png?v=1592822739)
Reference:
DKDTNO2RS
Especially design for parkings uses. Model for NO2 detection with a range of 0-20ppm and a resulution of ± 0.5ppm. ABS. IP20. Connection at 4 wires through RS485.