Filter Particle Counting Method Test Stand
Introduction
The test stand is designed according to ISO/DIS19713 Road vehicles - Inlet air cleaning equipment for internal combustion engines and compressors - Part 1: Fractional efficiency test. This filter particle counting method test stand is able to test the fractional efficiency of fine particles sized from 0.3μm-5μm and extended to 10μm. The particle size is subdivided into 0.3μm-0.5μm,0.5μm-1μm,1μm-3μm,3μm-5μm,5μm-10μm,≥10μm.
The design of the this test stand also takes relevant reference from American national ventilation filters standard ASHRAE52.2-1999, EN779-2002, and ISO19713
Structure
· Inlet air processing chamber
· KCL aerosol feeding section
· Up and down stream particle counting section
· Specimen clamping section
· Test flow section
· Electrical control section
Technical Parameters
The test stand is designed according to ISO/DIS19713 Road vehicles - Inlet air cleaning equipment for internal combustion engines and compressors - Part 1: Fractional efficiency test. This filter particle counting method test stand is able to test the fractional efficiency of fine particles sized from 0.3μm-5μm and extended to 10μm. The particle size is subdivided into 0.3μm-0.5μm,0.5μm-1μm,1μm-3μm,3μm-5μm,5μm-10μm,≥10μm.
The design of the this test stand also takes relevant reference from American national ventilation filters standard ASHRAE52.2-1999, EN779-2002, and ISO19713
Structure
· Inlet air processing chamber
· KCL aerosol feeding section
· Up and down stream particle counting section
· Specimen clamping section
· Test flow section
· Electrical control section
Technical Parameters
| Item | Parameters |
| Test flow range | 60-2300m3/h |
| Test flow error | ≤±5% |
| Test flow repeatability deviation | ≤±10% |
| KCL aerosol concentration stability | ≤±12%（0.3-0.5μm）,≤±20%（0.5-10μm） |
| Stability of dust concentration used for dust holding capacity test | ≤±5% |
| Fractional efficiency and pressure drop test repeatability | ≤±5% |
| Power consumption | 5kw (excluding water ring pump) |
| Covering area | 15000mm*4500*3000mm(L*W*H)(excluding ventilator room) |
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