Siemens Industry Automation Division

Robust speed sensor for conveyor belts in the primary industry

A new, compact, medium-resolution, belt speed sensor from the Siemens Industry Automation Division is suitable for any industrial application with belt-driven conveyor pulleys, for example in the primary industry. The lightweight, yet durable Sitrans WS100 is suitable in applications from –  40 to +110 degrees Celsius (– 40 to 230 degrees Fahrenheit). Typical applications include the mineral processing industry with belt speeds up to 2 m per second (392 feet per minute). The new sensor monitors the belt speed for input to an integrator, which calculates flow rate, total weight, belt load, and speed of bulk materials. Sitrans WS100 can be combined with a Milltronics BW100 or BW500 integrator or Siwarex FTC PLC module, and a Milltronics belt scale for a complete weighing system.

Sitrans WS100 offers ease of installation through magnetic mounting – no modi-fications needed. The magnetic holding force is up to 68 kg (150 pounds). Constructed of polypropylene with type AISI 304 (1.4301) stainless steel sensor mount and cover, Sitrans WS100 includes corrosion resistant components that are robust and virtually maintenance-free. Additionally, the rotating targets are fully sealed ensuring safe operation. Sitrans WS100 is available in standard and Intrinsically Safe (IS) versions and is Nema 4/IP65 rated.

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