Fluid Condition Monitoring

The HYDAC AquaSensor AS 8000 Series is designed for continuous online monitoring of free water content in mineral oil and lubrication fluids, with a detection range of 0.5% to 50%. Ideal for use in steel plants, marine systems, and cooling applications, it helps prevent costly system failures by enabling early detection of water ingress. Operating at temperatures from 5 to 80°C and pressures up to 10 bar, it delivers precise 4–20 mA or RS232 output signals for seamless integration.

Key Features:

• Water content: 0.5 ... 50%
• Temperature: 5 ... 80°C
• Operating pressure: max. 10 bar

The HYDAC Contamination Sensor CS 1000 Series offers continuous monitoring of particle contamination in hydraulic and lubrication fluids, with selectable ISO, SAE, or NAS cleanliness codes. Compact and robust, it supports condition-based maintenance and features a FREEZE function to display the last 20 readings, ideal for industrial and mobile applications.

Key Features:

• Operating pressure: max. 300 bar
• Viscosity range: 1 ... 1000 mm²/s
• Media temperature range: 0 ... +85°C, +32 ... +185°F
• Measurement flow rate: 30 ... 300 ml/min

The HYDAC Contamination Sensor CS 2000 Series is a high-precision stationary sensor designed for continuous monitoring of particle contamination in hydraulic and lubrication systems. With a fluid temperature range of 0 to +70 °C and flow rates from 10 to 200 ml/min, it offers advanced electronic and hydraulic compensation for pressure and viscosity fluctuations, making it ideal for critical applications requiring reliable, real-time contamination trend analysis.

Key Features:

• Fluid temperature range: 0 ... +70 °C, +32 ... +185°F
• Measurement flow rate: 10 ... 200 ml/min
• Supply voltage: 24 V DC, ± 25%

The HYDAC ALPC 9000 is a fully automatic particle counter for hydraulic and lubrication oils, offering fast, accurate analysis with minimal sample volume. Designed for labs, it supports up to 500 samples per day with ISO-calibrated precision and optional robotic automation.

Key Features:

• Sensor flow rate: 30 ml/min
• Permitted viscosity range: 1 ... 320 mm2 / s
• Measurement range (calibrated): ISO 0/0/0 ... 23/21/18

The HYDAC CSM 2000 Series is a compact online condition monitoring system for real-time detection of solid particle contamination in hydraulic and lubrication fluids. With integrated air bubble suppression and optional AquaSensor, it ensures accurate, reliable monitoring for proactive maintenance and system diagnostics.

Key Features:

• Total flow rate (standard pump) ≈ 100 ml/min
• Total flow rate (pump, primary pressure stability ) ≈ 180 ml/min
• Permitted pressure at output 5 bar max

The HYDAC CSM1320-2-1-W/N/X60/O60/-AS is a compact online sensor module for continuous monitoring of particle and water contamination in hydraulic and lubrication fluids. With a built-in gear pump and AquaSensor AS 1000, it’s ideal for proactive maintenance in industrial systems.

Key Features:

• Total flow rate: ≈ 180 ml/min
• Permitted outlet pressure: 5 bar max
• AS = with AquaSensor AS 1000
• Pump type: Gear pump

The HYDAC CSM1320-2-1-W/N/X60/O60/ is a compact, online monitoring system for continuous measurement of particle contamination in hydraulic and lubrication fluids. Featuring a gear pump, rotatable display, and air bubble suppression, it enables reliable oil cleanliness monitoring for proactive maintenance in industrial applications.

Key Features:

• Total flow rate: ≈ 180 ml/min
• Permitted outlet pressure: 5 bar max

The HYDAC Contamination Test Unit CTU 1000 Series is a precision testing system designed to assess the technical cleanliness of slightly contaminated components, ensuring compliance with strict quality and durability standards. Ideal for applications across automotive, aerospace, and hydraulics, it enables early detection of contaminants to reduce production waste and system failures.

Key Features:

• Reduction in costs as a result of less production waste
• Internal and external process optimisation
• Reduction of zero-km breakdowns

The HYDAC Fluid Control Unit FCU 1000 Series is a portable service unit designed for short-term, on-site monitoring of particle contamination and water saturation in hydraulic systems. With accurate, real-time analysis and robust design, it’s ideal for field service, maintenance, and diagnostics of mobile hydraulic systems.

Key Features:

• Ambient temperature range: 0 ... +45 °C / 32 ... 113 °F
• Storage temperature range: -40 ... +80 °C / -40 ... 176 °F
• Pressure max. 345 bar / 5000 psi

The HYDAC FCU 1000 Series Battery Pack (Type 3504605) enables portable, short-term operation of the FCU 1000 unit without reliance on external power sources. Designed with built-in safety features, it ensures reliable performance in field conditions.

Key Features:

• Voltage: 24V DC / 4500 mAh
• Includes deep discharge protection to prevent malfunction
• Features smart charging with automatic switch to float mode to avoid overcharging

The HYDAC Fluid Monitoring Module FMM Series is a compact, stationary system for continuous monitoring of particle contamination and water saturation in hydraulic and lubrication fluids. Combining the CS 1000 and AS 1000 sensors, it enables early detection of critical machine conditions for improved reliability and maintenance planning.

Key Features:

• Max. operating pressure: 15 ... 300 bar
• Minimum differential pressure: 15 bar
• Permitted viscosity range: 1 ... 350 mm²/s
• Fluid temperature range 0 ... +85 °C / +32 ... +185 °F

The HYDAC Fluid Monitoring Module FMM-O Series is a stationary monitoring system designed for low-pressure applications, offering continuous measurement of particle contamination and water saturation in hydraulic and lubrication fluids. Combining the CS 1000 and AS 1000 sensors, it helps detect critical machine conditions early and supports proactive maintenance.

Key Features:

• Max. operating pressure: 6 ... 15 bar
• Minimum differential pressure 6 bar (recommended)
• Permitted viscosity range: 1 ... 350 mm²/s
• Fluid temperature range: 0 ... +85 °C / +32 ... +185 °F