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As of August 25, 2021, the HIAC ROC liquid particle counter is obsolete and no longer available for purchase.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

Explore HIAC ROC Models

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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Q&A on Detecting Moisture in Hydraulic Fluid, Oil and Fuels Monitoring the amount of moisture in petroleum based fluids before 100% saturation occurs will reduce degradation and will increase the life and performance of equipment components. Advancements in technology allowed Beckman Coulter to add a moisture sensor to our HIAC PODS+ Portable Liquid Particle Counters. This application note details the moisture detection application in hydraulic fluid, oil and fuels.
HIAC ROC FICHE TECHNIQUE Compatible avec toutes les applications, pour des viscosités de 2 à 424 cSt
Certified HIAC Calibration Services ISO 11171 & 21501-3 calibration services for your HIAC liquid particle counter
HIAC Industrial - Our overview solution for fluid power testing for all applications This application note details measuring fluid contamination by cleanliness standards like ISO 4406, SAE AS4059, and NAS 1638 for oil and hydraulic fluid applications.
Fluid Power Contamination Monitoring Take Control of your Fluid Cleanliness with HIAC Instruments

Technical Documents

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