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Laser Particle Counters

Laser Particle Counters

Particle contamination in Oils
Particle contamination is the main cause of breakdowns in hydraulic and lubrication oil systems. Continuous real-time particle counting therefore plays a vital role in condition-based maintenance. With real-time measurement systems like, the number and size of particles is determined with the aid of optical detectors

Contamination Sensor CS 1000.
The brand new Contamination Sensor CS 1000 is a cost-effective online particle sensor which is suitable for permanent installation in almost all lubrication oil and hydraulic systems.

  • ISO4406 (1999/1987), NAS 1638, SAE AS 4059
  • Outputs: 4 ... 20 mA, 0 ... 10 V, RS 485, HSI, switching output, HSI
  • Operating range: 0 ... 300 bar, 0 ... 85°C

The Contamination Sensor CS 1000 is an online fluid sensor for continuous monitoring of particle contamination in fluids. The cleanliness results can either be given according to ISO/SAE or ISO/NAS classifications. This instrument combines the latest materials and technologies with proven engineering and provides the user with a compact and robust stationary sensor. The attractive price-performance ratio makes it especially advantageous in OEM applications for condition monitoring.


  • Industrial hydraulic and lubrication systems
  • Mobile hydraulics


  • When a revolving laser beam that passes through the walls of a glass container or a flow-through cell; is directed through a central “sensitive zone”
  • The CS 1000 counts the particles in suspension and tabulates their size
  • The analogue signals generated by the light pulses are routed to a computer and digitized
  • Provide efficient calibration within 10 minutes


  • As an option, can be switched between ISO 4406:1999 / SAE AS 4059 and ISO 4406:1987 / NAS 1638
  • Critical machine conditions are identified in good time
  • Continuous oil condition monitoring
  • Condition-based maintenance planning