SENSITRON S1451ND NO2 detector. 0-20 ppm. 4-20 mA. EC Sensor

The SMART3 NC series gas detectors have been designed to offer affordable products, but with Hi-Tech features, for underground garages and non-hazardous locations. Available for methane, LPG, petrol vapours, CO, NO2 and CO2, these detectors use an industrial catalytic sensor for flammable gases, a three-electrode electrochemical cell for CO and NO2 and an infrared sensor for CO2. 4-20 mA output. Three relay outputs and RS 485, optional. SMART3 NC detectors are running IP55