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Wenzhou Darong Textile Instrument Co., Ltd.

China Manufacturer with main products: Textile Testing Equipment, Tensile Testers, Face Masks Testers, Color Fastness Testers, Martindale Abration and Pilling Testers, Thermal...

Home  >Products Catalog > Particle Filter Efficiency Tester for Face Masks

Particle Filter Efficiency Tester for Face Masks

FOB Price: 80000.00 - 100000.00 USD/Set
Payment Terms: L/C, T/T, Western Union, MoneyGram
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Zhejiang in China

Quick Details

  • After-sales Service Provided: Engineers available to service machinery overseas
  • Warranty: 1year
  • Certification: CE
  • Automatic Grade: Automatic
  • Condition: New


Particle Filter Efficiency Tester DR251XL2(Equipped with TSI photometers)
Particle Filter Efficiency Tester for face masks

[Application range] 
It is suitable for fast, accurate and stable detection of the particle filtration efficiency of various medical and daily protective masks, respirators, melt blown cloth and other materials.
[Related standards]
GB/T 19083-2010 Technical requirements for medical protective masks 5.4 Filtration efficiency
YY/T 0469-2011 Medical surgical mask 5.6.2 Particle filtration efficiency
GB/T 32610-2016 Technical Specification for Daily Protective Masks Appendix A Test Method for Filter Efficiency
GB 2626-2019 Respiratory protection Self-priming filter anti-particulate respirator 6.3 Filtration efficiency
GB 19082-2009 Technical requirements for medical disposable protective clothing 5.7 Filtration efficiency
EN 1822-3:2012 EN 149-2001
EN 14683: 2005 IEST-RP-CC021.1 NIOSH 42 CFR Part 84 etc.
[Instrument characteristics]
1. Dual stations, dual channels, dual photometers, dual generators, truly realize oil and salt separation test;
2. Including loading test method;
3. Efficiency detection: 2 TSI high-precision photometers are used to separate oil and salt to detect the mass concentration of upstream and downstream particles to ensure accurate and stable sampling;
4. Flow detection: the system test flow is mainly provided by external dry and clean compressed air. There is a stable flow device installed inside to ensure the stability of the detection flow, and the automatic control system is simple, fast and stable.
5. Aerosol generation: 2 pieces, which can test salt and oil on the same instrument to ensure rapid and stable adjustment of the fogging concentration;
6. Resistance detection: the resistance pressure difference of the filter material will be obtained through the static pressure ring of its upstream and downstream test chambers, and a high-precision pressure difference transmitter is used to ensure the accuracy and stability of the pressure difference;
[Technical parameter]
1. Test flow range: 15L/min-100L/min, accuracy 2%;
2. the cross-sectional area through which the air flows is 100cm2; (KN95 mask fixture is optional)
3. Resistance test range: 0-1000Pa, resolution can reach 0.1Pa;
4. Filter efficiency test range: 0-99.999%, resolution 0.001%;
5. Test particle size: 0.3μm;
6. Aerosol particle concentration: salinity: <200mg/m3, oiliness: <200mg/m3;
7. Fog dust source: NaC1, paraffin wax or corn oil;
8. Fog source: dry and stable compressed air (optional)
9. Working power supply: AC220V, 50Hz, 1.5kW;
10. Weight: about 120kg;
11. Dimensions: (1000mm600mm1600mm) (lengthwidthheight)

Service Process

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  • Product Quality Commitment

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  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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