3-in-1: Monitor 3 measurements - ammonia concentration, air temperature, and humidity in 1 single sensor.; High
Resistance of Disturbance: Tolerate extreme temperature and exposure to high levels of ammonia gas.;
User-friendly: Easy to set up and support adjustment for different uses.;
Advanced Technology: Apply the revolutionary solid polymer electrochemical technology for gas detection.; Product model S-NH3-01 Supply Voltage 5 ~ 24V DC (recommended 5V power supply). Supported Protocol MODBUS-RTU RS485 IP Rating IP65 (The equipment should be protected from direct sunlight and rain over long periods of time). Operating Temperature -40°C to 50°C (best operating temperature 20 to 35 °C). Operating Humidity 15 to 95% RH (non-condensation) (best operating humidity 50%RH). Ambient Pressure Atmospheric pressure ±10%. Cable Length 2 meters