Omni Instruments
contact icon+44 (0) 1382 443000
+44 (0) 845 9000 601

Contact our technical sales team now to discuss your requirements

help icon
MY BASKET basket arrow


My Cart

You have no items in your shopping cart.

Click basket to edit.


Latest added news blog
MSR175 Shock Transportation Data Logger
Kenny Laidlaw
Oct 01,2018
The MSR175 shock transportation data logger is the newest miniature logger from MSR.  The MSR175 more >
MiniVLS 211ia Intrinsically Safe Speed Sensor
  • MiniVLS 211ia Intrinsically Safe Speed Sensor

MiniVLS 211/ia Intrinsically Safe Optical Speed Sensor

Quick Overview

The MiniVLS is an Intrinsically Safe Optical Speed Sensors providing an output for RPM ranges up to 99,999 RPM. These sensors are designed for general speed monitoring of rotating machinery and wheels in hazardous areas. .
View Options


The MiniVLS 211/ia Intrinsically Safe Optical Speed Sensor has a high level of certification:

ATEX II 1G Ex ia op is IIC T4 Ga (-20°C < Ta < +40°C) – Intrinsically Safe Product Information and Certificates available on request.

That allows 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 hand held applications.

Condition Monitoring Application: Ideal for use as a trigger where phase & speed monitoring is required in vibration monitoring & balancing applications on rotating machinery.

Optical Ranges: These laser models measure at up 2 metres from a reflective marker.

Optical System

  • Light source: Red Laser Class II 635nm
  • Range: 100mm – 2000mm
  • Angle: ± 80° degree
  • Wavelength: 635nm
  • Power: output and 1mw


  • Operating frequency up to 99999 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
  • Internally fused to prevent overload

Warning: The pulse output must only be connected through approved equipment.

Scope of Supply

  • Instruction Manual
  • MiniVLS 211/ia Intrinsically Safe Optical Speed Sensor
  • Certificate of Calibration
  • Reflective Tape


Availability: Stock Item


Components / Downloads

For further information, technical advice, or a quotation please call or email us. If you are not sure which product you need one of our technical sales advisors will be happy to discuss your application. We also accept company purchase orders by fax or post. Credit card orders can also be placed over the phone for any product.

MiniVLS Intrinsically Safe Optical Speed Sensors
MiniVLS 211/IA Intrinsically Safe Optical Speed Sensor with a red laser class II 635nm light source. Optical Range: 100 - 2,000mm, Overall speed range 0-99,999RPM. Power Supply 5vDC. Operating Temperature -20 to +40°C. M12 Connector.
or call us for a quote