Photo Reflective Speed Sensors

MiniVLS 211/ia

The MiniVLS 211/ia Intrinsically Safe Optical Speed Sensor has is Ex-II 1G Ex ia op is IIC T4 Ga (-20°C < Ta < +40°C) certified.

The certification level allows for use in a wide range of hazardous environments in petrochemical, Gas and volatile materials processing industries, ideally suited for Condition Monitoring, Data collectors in balancing applications, these sensors give excellent performance with repeatable results, engineered for easy mounting with the optional Mounting Bracket and Mini Tripod Stand in handheld applications.

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  • Long optical range up to 2 meters.
  • On Target indicator standard.
  • Protection rating IP67.
  • Integral Connector.
  • Stainless Steel housing.
  • Internally fused to prevent overload.


Measuring Range 99999 rpm
Sensing Range 100mm – 2000mm
Angle ± 80° degree
Light source Red Laser Class II 635nm
Wavelength 635nm
Power Input 5v @ 30ma typical
Output NPN Pulse
Connection M12 4-pin
Dimensions 20mm x L 92mm
Operating Temperature -20° / +40°C

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