Applications: Speed detection of gearwheels from module 2 and of ferromagnetic material. Speed detection at high revolutions in combustion engines and gearboxes when power supply can not be provided Features: High reliability No power supply necessary Wide temperature range Alignment not required DIN type threads Power supply nicht erforderlich not necessary 50 Hz ... 30 kHz Operating temperature -25 °C ... +85 °C / -13 °F ... +185 °F Operating temperature with plug SC -25 °C ... +120 °C / -13 °F ... +248 °F Degree of protection on request