New QS711S Particulate Filtration Efficiency Tester Introduction

QS711S Particle Filtration Efficiency Tester is used to quickly and accurately detect the filtration efficiency and airflow resistance of various flat and 3D masks, as well as air filtration materials.

 

Related standards:

 

● GB 2626-2019 Respiratory protection Self-priming filter anti-particulate respirator 5.3 Filtration efficiency

● GB 19082-2009 Technical Requirements for Medical Disposable Protective Clothing 5.7 Filtration Efficiency

● GB 19083-2010 Technical requirements for medical protective masks 5.4 Filtration efficiency and airflow resistance test

● GB/T 32610-2016 Technical Specifications for Daily Protective Masks Appendix A Filtration Efficiency Test Method

● GB/T 38413-2019 Textiles—Test method for filtration performance of fine particulate matter

● YY 0469-2011 Medical Surgical Mask 5.6.2 Particle Filtration Efficiency (PFE)

Instrument Features:

 

● The differential pressure measurement uses a high-precision differential pressure transmitter to accurately measure the sample resistance.

● The aerosol generator adopts a special nozzle, which can produce polydisperse particle size, and the dust concentration can be adjusted quickly and stably.

● Color touch screen control, simple and intuitive operation.

● The test results are automatically calculated and displayed by the system, and printed out.

 

Main Specifications:

 

● Screen display: color 7-inch touch screen.

● Printing method: built-in thermal printer.

● Data export interface: USB

● Flow test range: 15～100L/min

● Fixture test area: 100 cm2 (the standard fixture is only suitable for flat masks, and the 3D mask fixture needs to be purchased separately).

● Filtration efficiency test range: 40%-99.999%

● Resistance test range: range 0～1000Pa, resolution 0.01Pa

● Type of aerosol dust generation: salty or oily.

● Counter sampling flow: 2.83L/min

● Particle size channel: @0.3, 0.5, 1.0, 3.0, 5.0, 10μm

● Power supply voltage: AC220V, 50Hz, 1kW

● Dimensions: 890mm×600mm×1620mm(W×D×H)

● Weight: 100kg

● Standard configuration: one oil-free air pump.