Accurate Real Time Monitoring

Tan Delta Oil Quality Sensor (OQSx)

The Oil Quality Sensor (OQSx) is your ideal solution for accurate real time oil condition monitoring. Quickly and easily installed, the OQSx detects all wear and contamination elements to an exceptionally high sensitivity level and provides an accurate statement of your oil condition second by second – in any oil type and in any application.


The OQSx accurately reports the precise condition of any oil in real time and is certified to a sensitivity of 15ppm.

ATEX Certified

The OQSx Ex II is fully certified, ATEX approval to BS EN 60079-0: 2012 and BS EN 60079-11:2013 x ic IIA T3 Gc.


Heavy Mobile Mining Equipment; Continuous Miners, Dump Trucks, Shovels, Drills. Transformers, Gearbox, Compressors, Engines, Hydraulics.

CIS Industrial Services (Pty) Ltd – Plant Uptime, Plant Safety, Asset Reliability.

For more information, please contact Lourens Janse Van Rensburg via mobile +27 (0) 79 512 8027 or alternatively via email:

Data Trending… Optimising Your Maintenance Strategy

Simply gathering information from sensors and systems is not enough to yield the benefits of predictive maintenance.

The ability to collect and then analyse data can be crucial to predicting impending failure.

By investing in an Oil Quality Sensors to influence these maintenance practices, you can  have the benefit of:

  1. Reduce overall maintenance cost by 30%
  2. Reduce sampling cost by up to 80%
  3. Reduce oil purchases and disposal cost by 20%
  4. Increase equipment availability by 5%
  5. and, rule out human induced contamination.

To see how we can assist you in saving money, please call Lourens Janse Van Rensburg on +27 (0) 79 512 8027 or alternatively via email, Or visit our website:

Improving Plant Uptime, Plant Safety and overall Plant Reliability

CIS Industrial Services is a reliable source in the supply of industrial tools and equipment for a wide variety of Industries;  Refining, Petrochemicals, Power Generation, Manufacturing, Mining, Shipping, Transportation and more.

We are constantly updating our product offering to improve your Plant Uptime, Plant Safety, and overall Plant Reliability.  Have a requirement?  Contact us, we consult and supply to spec.