The Dräger Polytron 7000 can measure 100 different gases. The DrägerSensors that were specifically developed for year-round, permanent use in a stationary gas detection systems are known for their long life and the excellent measuring quality. The built-in sensor data memory contains all the relevant information. This allows for the use of pre-calibrated sensors so that the Dräger Polytron 7000 can be used as a virtually maintenance free transmitter.