MiniVLS 211/N Series Optical Laser-Phase Speed Sensor

MiniVLS 211/N Series Optical Laser-Phase Speed Sensor


  • Description
  • Specifications
  • Optional Accessories & Cables
  • Certificate of Conformity
  • PDF Downloads


This MiniVLS 211/N Series Optical Laser-Phase Speed Sensor are primarily designed for Phase related rotational speed applications, including very high speed monitoring and have Laser light sources, the MiniVLS nL Series Sensors are designed for use in hazardous areas with certified hazardous area equipment, ideally suited for Condition Monitoring, Data collectors in balancing applications, these sensors give excellent performance with repeatable results, engineered for easy mounting in either a Proximity Sensor style Threaded housing with two locking nuts as supplied or the Plain housing version with an optional Mounting Bracket and Mini Tripod Stand, ideal for permanent fixing or hand held applications.
Condition Monitoring Application:
Ideal where phase and speed monitoring is required in vibration monitoring and balancing applications on rotating machinery.
Optical Ranges:
These laser models measure at up 2 metres from a reflective marker.

  • Operating frequency up to 99,999 rpm
  • Long optical range up to 2 metres
  • Wide angle of operation – up to 80° degree
  • On Target indicator standard
  • Protection rating IP67
  • Integral Connector
  • Stainless Steel housing
  • Threaded or Plain housing options
  • Reverse polarity and short circuit protected

Optional Accessories & Cables must be ordered separately for the MiniVLS Sensors
Scope of Supply:

  • Instruction Manual
  • MiniVLS 211/N Optical Laser-Phase Speed Sensor
  • Reflective Tape


Optical Range 100mm - 2000mm
Optical Angle ± 80° degree to reflective marker
Speed Range 3 - 99,999 rpm
Power Input 5vdc @ 30 mA typically
Operating Temperature -10° / +50°C
IP Rating IP67
Housing Types Plain housing plus Fixing slots
Material Stainless steel
Connections Integral Connector
Cables Several Options
Dimensions D 20mm x L 70mm

We provide a Certificate of Conformity to confirm that a product manufactured by Compact Instruments Ltd meets the specification set out and published for that particular product has passed our quality control.


Cert.6 Certificate of Conformity