combined rotational speed and stopped motion detector

The SITRANS WM100 is a heavy-duty zero-speed alarm switch manufactured by Siemen company. It is a non-contacting unit that provides protection even in the harshest conditions. It can resist dust, dirt, build-up and moisture suitable for primary industries as mining. It is applicable on areas of tail pulleys, driven pulleys, motor shaft sensing, and bucket elevators. Downtime and clean-up expenses associated with conveying equipment failure are reduced by the SITRANS WM100. The SITRANS WM100 has built-in selectable start delays and 1 Form C relay contact. Itt operates from -40 to +60 ?C (-40 to +140 ?F) conforming to its aluminum housing. The instrument is beneficial having a visual indication of target triggered pulse and 1 SPDT Form C relay contact.