Oil mist separation efficiency test bench
The Oil Mist Separation Efficiency Test Bench is a modular, high-performance testing system designed for precise evaluation of oil separators, coalescing filters, inertial separators, and electrostatic filtration systems. It enables reliable characterization of separation efficiency, loading and holding time, pressure loss, and fractional efficiency under real operating conditions.
Equipped with a heated light-scattering spectrometer, heated dilution system, and heated aerosol generator, the test bench supports isothermal measurements up to 120°C, ensuring stable, reproducible, and internationally comparable results.
Application
The system is suitable for a wide range of industrial, automotive, and laboratory applications, including:
Quality assurance of oil separators
Development of coalescing, cyclone, and inertial separation units
Evaluation of separator performance for:
– Leaked aerosols in combustion engines
– Oil mist downstream of compressors
– Machine tool cooling lubricants
– Minimum-quantity lubrication aerosols
In-situ particle sampling and field testing on engines
Research on oil mist behavior under varying temperature and flow conditions
Standards
This system is designed with reference to relevant international and Chinese standards, including:
GB/T 6165-2021 – Test method for high-efficiency air filters
General guidelines for aerosol separation and fractional efficiency measurement
Commonly used international particle measurement practices
Features
Modular construction, allowing components to be removed and used independently
Isothermal and isobaric measurement up to 120°C
High-resolution light scattering spectrometer for simultaneous particle size and number measurement
Fast, reproducible, and operator-independent measurements
Heated aerosol generation, dilution, sampling, and measurement pathways
Automatic system control with FTControl software
Automatic measurement of fractional efficiency and pressure-loss curves
High reproducibility and internationally comparable results
Easy to operate; minimal training required
Low maintenance costs and short setup time
Customer-initiated cleaning and calibration
Mobile platform for flexible field use
Technical parameters
| Measurement range (size) | 0.18 – 40 µm |
| Volume flow rate | 1 – 25 Nm3/h, 1 – 85 Nm3/h (Other specifications available upon request) |
| External dimensions | Approximately 1.600•2.000•800 mm (H•W•D) |
| Differential pressure measurement | 0 – 5.000 Pa (ande auf Anfrage) |
| Aerosol concentration | Up to 107 particles/cm3. equipped with 2 KHG 10 D |
| Compressed air supply | 6 – 8 bar |
Advantages
Grading and Separation Efficiency and Feed Measurement and Evaluation
Isothermal and Isobaric Measurements
All Components Can Be Heated to 120°C
High Reproducibility of Test Methods
Internationally Comparable Measurement Results Due to the Widely Used Measurement System
Customer-Initiated Cleaning and Calibration
Easy to Operate; Even Untrained Personnel Can Quickly Use the Equipment
Modular Layout Offers Greater Flexibility
Validate the Functionality of Individual Components and the Entire System During Pre-Delivery Acceptance Testing and Upon Delivery**
Reliable Operation
Short Setup Time and Extremely Low Maintenance Costs
The Equipment Will Reduce Your Operating Costs
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