8 mV/µm or 2.5 µA/µm (2 mm range), ?40 to 180 °C, Ø5 mm tip, standard-mount.The TQ401 proximity sensor is a high-quality, high-reliability sensor for use with an EA401 extension cable and IQS450 signal conditioner, which provides either a voltage output or a current output.The TQ401 is a standard-mount sensor that is designed and built for long-term use in extreme environments characterised by high temperatures and/or hazardous areas (potentially explosive atmospheres).FeaturesDesigned for the contactless measurement of relative vibration and axial displacement in turbines, compressors, pumps and fans2 mm measurement range (Ø5 mm sensor)?40 to 180 °C operating temperature, IP68 protection rating0.5, 1.0, 1.5, 2.0 or 5.0 m integral coaxial cable.Certified for use in potentially explosive atmospheres