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The ANAC oil analysis diagnostics system for hydraulic systems and other non combustion components.

ANAC Visio is an in-depth diagnostics system for non combustion driveline components (e.g. automatic and manual gearboxes, differentials, reduction cases) and hydraulic systems in automotive applications (e.g. construction equipment). It adds a microscopic examination of the particles in the oil to the analysis of the physico-chemical condition of the lubricant and the wear condition of the component.

ANAC VISIO is recommended for:

  • In-depth follow-up of the mechanical wear, condition and contamination of the lubricant for hydraulic systems and non-combustion driveline components
  • Spot analysis and diagnosis in special cases (breakdowns, claims, expertise, …)
  • Optimisation of the drain intervals


Mechanical wear:

Wear elements : Iron, Lead, Copper, Tin, Chromium, Aluminium, Nickel (ppm)

Oil contamination :

Silicon (ppm),Water (%)

Characteristics of the lubricant:

Oil viscosity (mm2/s) at 40°C and 100°C , Oil viscosity Index, Acid Number TAN (mg KOH/g)

Microscopic examination:

The oil is filtered at 5 micron. The filtrate containing particles from wear, contamination, sealings and friction material is examined under microscope. A photograph is included in the report and is also available on the ANAC website.


Additive elements Ca, Zn, P, Mg, Mo, Ba, V, Na, B, Ag


The ANAC diagnosis and comments are established by an ANAC technician. He is specialised in machine and lubricant technology and supported by the ANAC database of reference data on all current part types.

The ANAC VISIO expert takes into account the specific knowledge on the usage conditions and possible remarks by the user. The ANAC also prived personalized information and answers to the user questions.The specific knowledge of ferrography allows the ANAC VISIO technician to examine the colour, shape, size and number of the metallic and non-metallic particles in the oil.

This leads to a detailed diagnosis on the source and severity of the wear and contamination of the system.


The ANAC will send the report per e mail within 76 hours. It can also be consulted on the Internet. In urgent cases, the report will be faxed, as soon as the diagnosis is available.