Know the remaining useful life of the filter element …

HYDAC is proud to present an algorithm, which is able to determine the remaining useful life of the filter elements in connection with intelligent progressive clogging indicators made by HYDAC.

Now, the end user can easily organise its service schedule and even saves service costs, because the useful life of the filter element is completely exhausted. One of the appropriated indicators for this function is the HPT 500 (analogue differential pressure transducer).


  • Appropriate filter change (not according to valid intervals) and therefore the full benefit of the filter reserve.
  • Service can be scheduled in a proactive way (spare element orders, etc.).
  • No unexpected machine downtimes.
  • Indication in case of discrepancy (real service life strongly differs from expected service life) and therefore early error indicator (e. g. reference to strong contamination).


The intelligent algorithm to determine the remaining useful life of filter elements can be used in all systems that require a continuous and intelligent monitoring. It’s a beneficial feature for both, stationary and mobile applications.

The HYDAC HPT differential pressure transmitter series was specially developed to offer low-cost solutions for differential pressure. Via a piston movement the generated differential pressure is detected by means of a Hall sensor.


The sensor reacts to increasing contamination degree of the element by increasing the differential pressure signal.


The media compatibility includes hydraulic oils, lubrication oils, HFA, HFB and HFD as well as all further environment-friendly fluids.


The differential pressure transmitter is used in systems requiring a continuous, intelligent monitoring of the differential pressure. It is used both in mobile and in stationary applications.


For further information on intelligent progressive differential pressure indication for the live monitoring of filter element useful life, please call ISADRAULICS on +61 7 4743 9139, or e-mail [email protected]


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