The FCU 2000 (top), CS 2000, and CS 1000 particle counters all are rated for system pressures to 6,500 psi.

The FCU 2000 (top), CS 2000, and CS 1000 particle counters all are rated for system pressures to 6,500 psi.


Keeping track of the size and number of particulates in a system is a great way to monitor performance of hydraulic and lubrication systems. And the instruments that handle the job have seen significant advances in recent years.

For example, Hydac's Fluid Control Unit 2000, a rugged, portable optical particle counter, was introduced about 10 years ago for on-site evaluation of industrial systems. The FCU 2000 handles both low and high-pressure applications and quickly connects to sampling ports with minimal disruption to operations. The unit includes a keyboard, LCD display, and printer.

The Contamination Sensor 2000, introduced about four years ago, serves permanent, stationary installations. The particle counter includes various analog and switching outputs, making it suited for test benches, filling stations, and other in-plant equipment that requires continuous contamination monitoring — under normal conditions and during filling or flushing operations.

The Contamination Sensor 1000 is the company's latest addition to its online particle counter family. Thanks to advanced electronics and optics, the unit is less than half the size of the CS 2000. Advanced circuitry protects against load-dump transients and electromagnetic interference, and an IP 69K-rated enclosure resists vibration, dust ingression, and high-pressure-jet steam cleaning. It comes with or without a display and provides analog and switching outputs. In addition to monitoring contamination, the unit reports system temperature via an integrated RTD sensor, and is suitable for permanent installation in almost any mobile and in-plant hydraulic or lubricating system.

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Hydac Technology Corp., (877) 464-9322,
hydacusa.com