Particle Pal Pro - Digital Imaging Portable Particle Counter

All Particle Pals, including this unit, can be used on live hydraulic systems (up to a pressure of 350 bar) when the high pressure reducing valve is purchased.

The picture of health

  • Particle Pal Pro
Our all new NEW Particle Pal Pro utilises new digital imaging technology which provides greater insight into the size and type of particulate in any oil system. Air bubble elimination and shape recognition gives root cause particle analysis. Remaining oil life and water content sensors complete the package.

Video guides

vision of the future

Harnessing the power of proven digital imaging technology

We've embedded the latest in particle counting technology into our new Particle Pal Pro series. Giving ISO 4406 counts as well as 4, 6, 14, 21, 38, 70 & >100 micron sizing and bubble elimination. Digital imaging combined with advanced algorithms sorts particles into fatigue wear, cutting wear and sliding wear categories to give root cause analysis.

This powerful technology, when coupled with additional sensors for measuring water content and oil life, gives unprecedented on the spot insight into the condition of your oil.

  • Particle size & shape recognition


  • Particle counts using the new Atten2 counter: ISO 4406, SAE & NAS
  • Broader spectrum of micron sizing – 4, 6, 14, 21, 38, 70 and >100 micron
  • Shape recognition in the software to categorise:
    • Fatigue wear
    • Sliding wear
    • Cutting wear
    • Fibres

High-pressure option

  • A high-pressure version of every model is also available

Particulate analysis.

The Atten2 digital imaging particle counter gives advanced size and shape recognition for any sample. Counting particulate in virtually any oil up to 2,400cSt, the Atten2 device also eliminates air bubbles, making it ideal for heavy lube and gear oil applications in cold temperatures. Reporting 4, 6, 14, 21, 38, 70 & >100 micron counts as well as categorising any particle greater than 20 microns into: • Fatigue Wear; • Sliding Wear; • Cutting Wear; • Fibres;

Download our white paper now
On-site Lubricant Monitoring: Bringing Lab Insights to the Field


Digital Image Particulate Counter

Capable of broad size determination from 4, 6, 14, 21, 38, 70 >100 micron counts. Air bubble and water droplet elimination. Shape determination to identify fatigue, sliding or cutting wear as well as fibre identification.

Spider Infographic

A multi-stage infographic helps engineers understand at a glance the condition of their oil, based on all of the data collected from the internal sensors.

Battery Life

Internal rechargeable lithium batteries provide a long life for remote use.

NEW Software

A 10” touch screen LCD allows users to view data in great detail, with zoom, trending and analysis breakdown. Within the software we have embedded oil ageing profiles for over 200 oils. Also included is the ability to self-calibrate an oil life profile, should your oil not be on the database. This is a one time routine where oil is taken through a heat cycle.

Internal Stepper Motor Pump

We've developed a fully controllable stepper motor driven pump to deliver exact flow rates for any oil, from 1 to 2,400 cSt. The pump also allows connection to a live system up to 350bar via a high pressure adaptor.

Excellence in Innovation award winner

Excellence in Innovation award winners

Filtertechnik were thrilled to win the Excellence in Innovation award on 22/05/2019 for their Particle Pal Pro at the Nottingham Post's annual Business Awards event.

The judges recognised the ground breaking technology developed in Nottingham by Filtertechnik, both mechanical and software design and development.

Particle Pal Pro - The Picture of Health - Technical Information

Fluid Compatibility Synthetic Oils, Organic Oils, Mineral Oils & Diesel Fuel (2,400 cSt viscosity limit)
Display Information Particulate: ISO 4406, SAE AS4059 & NAS 1638, bubble elimination and particulate wear analysis.
Water: Relative Humidity (RH%).
Oil Condition: Utilises Tan Delta's oil life sensor to determine the remaining life of any oil profiled.
Modes of Operation High Pressure live system sampling (up to 350 bar) - via a high pressure adaptor.
Bottle sampling and Tank sampling.
Data All data stored locally and backed up off-site. Export to .CSV or PDF
Calibration 500 oils profiled with the ability to self calibrate any oil also included, via a one time routine.


Particle Pal range

Also available

In addition to the Particle Pal Pro series, we also offer our laser counter FS9V2 Particle Pal range.

See our laser counter product range for more information.

A survey of over 20,000 oil samples showed that the vast majority of oil changes without oil analysis would be conducted at the wrong time by following OEM recommendations rather than by analysis of the oil's ability to continue working and in most cases before the oil's life was fully depleted.


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