HIAC ROC Remote Online Particle Counter

This product is no longer available

As of August 25, 2021, the HIAC ROC liquid particle counter is obsolete and no longer available for purchase. Please use the button below to download HIAC ROC obsolescence letter for additional details including affected part numbers and our plans to provide ongoing service and support.

Download Obsolescence Letter

HIAC ROC particle counters are constructed for harsh environments delivering dependable operation and reliable results in high-pressure, high-temperature applications. Easy to operate with carefree maintenance, the HIAC ROC is an ideal choice for a wide variety of industrial and mobile applications including multi-point system monitoring, hydraulic power units and fluid fill stations.

  • Instant results for quick & informed decision making 
  • Wide sampling range (2 to 424 cSt)
  • Local display with ISO codes for each count channel, alarms & status information

Documentation and Application Notes

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HIAC ROC Particle Counter Features

Quick Detection

  • Real-time particle contamination & condition information for quicker decision-making in oil analysis applications
  • Local display with ISO codes for each LPC channel, alarm & status detail


  • Large flow path minimizes blockages during operation
  • Few moving parts for trouble-free maintenance
  • Compatible with hydraulic & lubrication oils, mineral, synthetic (phosphate ester option)
  • Long-life laser diode for continuous on-line, maintenance-free operation


  • Easy configuration for specific applications
  • Log & export data for customized reporting
  • Real-time trend data for proactive maintenance 
  • Serial port connection with utility program

Content and Resources

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Resource Type
HIAC ROC FICHE TECHNIQUE Compatible avec toutes les applications, pour des viscosités de 2 à 424 cSt
Fluid Power Contamination Monitoring Take Control of your Fluid Cleanliness with HIAC Instruments
HIAC ROC Remote On-Line Counter Simple, trouble-free, and affordable The HIAC ROC allows you to spend your time preventing problem and less time fixing them
Certified HIAC Calibration Services ISO 11171 & 21501-3 calibration services for your HIAC liquid particle counter

Technical Documents

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