1. Equipment Dimension: 7m x 3 m x (Max.)2.0 m

2. Wind Tunnel System:

     Max. Static Pressure of Filter: 150 mmH2O

     The Max / Min. Flow Rate: 2000/400 CMH

3. Aerosol system:

     Generator  (DEHS): Cold, polydisperse (GSD > 1.5)

     Diluter (1:100)

     Sampling probes: 5 x 75 mm                                                             

4. Leakage Scanning Device:

    Three-axis motion control system,

        Max. stroke: 1220m/m × 1220m/m× 300m/m

5. Control System:

     Control the entire Filter Leakage Scanning system by PC Base

     Automatic control aerosol generator switch turn on and off (the Rise  

          time and Purge time setting by manually or automatically)

6. Software Design:

     Testing parameter settings: including filter size, scanning speed,  

            second detection time, detection of particle size and filter class

     System Function: Automatic filter leak scanning, Velocity uniformity of  

           HEPA filter,  Filtration Efficiency (Multi Points)

1. Equipment Dimension: 2 m x 4.5 m

2. Wind Tunnel System:

    Horizontal scanning platform and use water to seal the media.

    Max. Static Pressure of Filter: 50 mmH2O

    The Max / Min. Flow Rate: Upto 2800/600 CMH

    Filter holder: enclosing 2'x2' (Other sizes can be replaced)

3. Aerosol system: Oil Aerosol Generator                      

    Aerosol Concentration Diluter (1: 100): Upto U15 test

      (Option for U16/U17)

4. Leakage Scanning Device:

    Three-axis motion control system,

    Max. stroke: 1220m/m×1220m/m×300m/m

5. Control System:

    Control the entire Filter Leakage Scanning system by PC Base

    Automatic control aerosol generator switch turn on and off

       and Purge time setting by manually or automatically)

6. Software Design:

    Testing parameter settings: including filter size, scanning speed, second detection time, detection of particle size and filter class

    System Function: Automatic filter leak scanning, Velocity uniformity of     HEPA filter, Filtration Efficiency (Multi Points)

7. Particle Counter: 0.1μm

       (up to 3 set Particle Counters for Upstream and  Downstream)

Filter test system for EN 779 or ASHRAE 52.2

1. Test Duct:

（1）Materials: Stainless

（2）Max. flow rate: 2500CFM

（3）Max. filter dimension: 2’x2’

（4）Diff. pressure for filter sample: 1000Pa

2. Aerosol and Dust:

（1）Oil Aerosol generator: 1 set

（2）Switching unit: manual upstream / downstream measurement

（3）Isokinetic sampling probes: 2 pieces

（4）Dust feeder: The feeding velocity can be controlled according to the

          airflow rate.

3. Optical Particle Counter: Welas® digital 2000 system (Palas)

a. Volume flow: 5 L/min

b. Welas 2300 Measuring range:

     0.2 – 10 µm / 0.3 – 17 µm / 0.6 – 40 µm / 2 – 100 µm.

c. Maximum number concentrations up to 40,000 particles/cm3

4. W-form frame of testing filter material for discharge efficiency: 

   (filter material 1.8 m2), minimum media velocity is 12.7 cm/sec

Length x Width x Height = 2.5m x 2.5 m x 2.0 m;

（1）Inverter、motor：3 phases, 380~480V、50/60Hz   

（2）Max. Static Pressure：100 mmH2O

（3）Max. Flow: 1500 CFM

（4）Sampling probes x 1

（5）Max. Filter Dimension: 1220x1220 mm

（6）Aerosol: Atmospheric dust

（7）Filter Holder: 610x610 mm (1set)

（8）Manometer: 1000 Pa

（9）Optical Particle Counter (0.3um,1 CFM)

（1）Voltage: 230V

（2）Max. Static Pressure：100 mmH2O (electronic pressure transducer)

（3）Max. Flow：100 LPM (electronic flowmeter)

（4）Test sample area：100 cm2

（5）Aerosol: Emery 3004 (PAO)

（6）Electrostatic Neutralizer

（7）Aerosol detection, efficiency to 99.99%

（8）Manual adjust flowrate

（9）Human machine interface:

          The testing data can be acquired and data stored by PC.

(10) Avaliable testing items: Initial pressure drop, Initial efficiency, Loading