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Environmental measurement, fluid measurement, particle measurement

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F9121 air conditioning filter (particle counting method) test device

Test item
1. Determine the flow rate: initial pressure drop curve
2. Determine the hierarchical filtration efficiency curve under the flow rate
3. Determine the amount of ash storage and the corresponding terminal classification filtration efficiency
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fulfill the standard

(1) GB/T 32085.1-2015 "Automotive Air Conditioning Filter Part 1: Dust Filtration Test"

(2)ISO/TS 11155-1

(3) QC/T 795.1-2007 "Air filters for passenger compartments of road vehicles-Part 1: Dust filtration test"

(4) QC/T 998-2015 "Technical Conditions for Automotive Air Conditioning Filters"

 

Product Specifications

Air flow Air flow range: (100~600)m³/h (under standard conditions)
Air flow accuracy: ±0.5%
Static pressure and pressure drop Range: (0~10)kPa
Accuracy: ±0.1%FS
Dust Aerosol Generator Test dust type: A2 ash (fine ash) or A4 ash (coarse ash) defined in ISO 12103-1.
Particle size range: 0.1μm~100μm (optical diameter)
Mass: 40mg/h~430g/h
Volume flow rate: 2.5 ~5m³/h
Dilution device Dilution ratio: 50:1
Ensure that the count of small particles is below the maximum limit concentration of the counter
Particle counter Particle size test range: 0.2 to 40 μm
Sampling flow: 28.3 L/min (nominal flow)
Electrostatic neutralizer Ion generation method: corona discharge type
power supply: high frequency AC
discharge voltage: 2500V

 

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