Portable Service Fluid Control Instrument ~ FCU1000

HYDAC FCU1000 Portable Service Fluid Control Instrument ~ Site verification for system Oil cleanliness.
The HYDAC FluidControl Unit FCU 1000 is a portable service unit, designed for the temporary and ‘live’ measurement of solid particle contamination, water saturation and fluid temperature in hydraulic systems as well as Diesel fuels. This allows for verification of oil cleanliness before your oil samples are sent away to a laboratory for testing. Results then can be compared once your oil analysis report is returned.

The integrated pump and the hoses contained in the FCU 1000 series scope of delivery allow operation in;
• control circuits,
• pressure circuits and,
• pressureless reservoirs.

All measurement data are stored with time stamp in files (measurement value file) and folders (measurement points) in the internal data memory of the FCU 131X.

At ISADRAULICS, our experienced field service technicians use this equipment regularly for troubleshooting critical hydraulic systems, and also as part of the ISADRAULICS quality assurance controls within our hydraulic cylinder rebuild centre, this instrument is used to concur oil cleanliness targets before any refurbished and tested hydraulic cylinder/pump/valve or hydraulic motor is returned to the end user for re-install to their equipment.

The FCU 1000 is a portable service that can measure humidity level in % saturation and temperature of the fluid in hydraulic systems.

The internal FCU 1310 memory stores all measured data (ISO, SAE/NAS, % saturation and temperature in °C or °F) in files (measured value file) and folders (test points). In addition, data storage is a time stamped, and can carry out the evaluation conveniently on a PC in MS Excel or in our FluidMonitoring Software (FluMoS), Version 1.30 or higher.

Documentation of the degree of contamination with hydraulic fluids can be analysed and trended accordingly in the end user’s system via the integrated data memory and the ability to transfer measured values data.

Counting contaminant particles

The measuring principle of the light blockade procedure is shown in simplified form in the following sketch.

The light source transmits monochromatic light through the flow of oil to a photo detector, which produces a electrical signal. If a particle gets between the light source and the photo detector, then a shadow will be cast on the photo detector. This shadow causes a change in the electrical signal generated by the photo detector. This change makes it possible to determine the size of the shadow cast by the particle and thus to gauge the size of the particle itself.

This procedure makes it possible to determine the cleanliness class according to ISO 4406:1987, ISO 4406:1999, NAS 1638 and SAE AS 4059. The disruption factors of this measurement principle are foreign fluids and small gas bubbles that lead to refractions, thus causing them to be counted as particles as well.

Each of the signal peaks corresponds to the shadow cast by one particle. The signal height or amplitude reflects the particle size. Thresholds are used to classify the particle sizes >2, >5, >15, >25 μm or >4, >6, >14, >21 μm(c).










To learn more about on portable, on site oil condition monitoring, please contact ISADRAULICS on; +61 7 4743 9139, or e-mail [email protected]

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