HIAC ROC Remote Online Particle Counter

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

HIAC ROC Particle Counter Specifications

Light Source Laser diode
Item Specifications Referenced ROC-31

Content and Resources

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Particle-hiac-roc-brochure-remote-on-line-counter-data-sheet Simple, trouble-free, and affordable The HIAC ROC allows you to spend your time preventing problem and less time fixing them
Particle-counting-brochure-fluid-power-onepage-v2 Take Control of your Fluid Cleanliness with HIAC Instruments
fluid-power-testing-hiac-applications-industrial-app-note-201904C This application note details measuring fluid contamination by cleanliness standards like ISO 4406, SAE AS4059, and NAS 1638 for oil and hydraulic fluid applications.
particle-counting-fluid-oil-gas-detect-moisture-201907 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-Data-Sheet-Re-Design_FInal_03_FR (1) Compatible avec toutes les applications, pour des viscosités de 2 à 424 cSt

Technical Documents