Rosemount™ 625ND Gas Sensor

The Rosemount 625ND Combustible Gas Sensor offers industry-leading features and performance specifications using nondispersive infrared (NDIR) technology. The NDIR gas sensor provides early gas leak detection, enhancing worker safety and improving sustainability. Rosemount 625ND Gas Sensors are compatible with the Rosemount 925 Fixed Gas Detector. The combustible gas sensor is approved to the latest hazardous area and performance standards for worldwide use. Operating Temperature: -40 to +158 °F (-40 to +70 °C) Measurement Type: Gas concentration levels: Hydrocarbon gases: 0-100% LEL Humidity Range: 0-95% relative humidity, non-condensing Accuracy: Gas accuracy : ±3% LEL < 50% LEL and 5% LEL > 50% LEL4-20 mA accuracy: ±0.1% of span