• Dräger infrared sensors are available in various versions – perfectly suited for any purpose and intended use. • Together with Dräger gas monitors, which are developed in-house, the full performance and efficiency of the sensors is realised. .. • Dräger infrared sensors are characterised by a very high degree of accuracy and measure in the Lower Explosive Limit (LEL) and/or the VOL% ranges. • With warranty periods of up to 5 years, Dräger infrared sensors are extremely reliable. • Dräger infrared (IR) sensors are not prone to poisoning unlike other types of sensor technology. • Measuring range: • default 0 to 5 % by vol. • minimum 0 to 1 % by vol. • maximum 0 to 25 % by vol.