Advantages of Qinsun mask bacterial filtration efficiency detector

Qinsun mask bacterial filtration efficiency detector on the basis of the previous innovative improvement, the use of double air path simultaneous comparison sampling method, improve the accuracy of sampling, suitable for measurement and verification departments, research institutes, mask manufacturers and other relevant departments on the mask and meltblown filter material bacterial filtration efficiency performance test, is Shanghai Qianshi Precision Electromechanical Technology Co.
, Ltd.
independent research and development of test equipment, cost-effective, complete
after-sales service.

Applicable standard: YY0469-2011 Main parameters: 1.
A channel sampling flow: 28.
3L/min; 2.
B-channel sampling flow: 28.
3L/min; 3.
Spray flow: (8~ 10) L/min; 4.
Peristaltic pump flow: (0.
006~3.
0)ml/min; 5.
A-way flowmeter front pressure: (-20~0)KPa; 6.
Front pressure of B-channel flowmeter: (-20~0)KPa; 7.
Spray flow meter front pressure: (0 ~ 300) KPa; 8.
Ambient temperature: room temperature; 9.
Negative pressure of aerosol chamber: (-90~-120)Pa; 10.
Cabinet negative pressure: -50~-150Pa; 11.
Specifications and quantity of vortex mixer test tubes: Φ16×150mm test tubes
, eight.

Advantages and characteristics: 1.
The company has been engaged in testing instruments for more than ten years and has a strong after-sales service team; 2.
Be able to deal with various problems in a timely and rapid manner, and relieve customers' worries; 3.
Spare parts are complete, to solve the problem of ordering spare parts with a long shelf life; 4.
Provide outsourced maintenance services; 5.
Long-term supply of various commonly used testing instruments; 6.
Keep up with the update of industry standards, and provide test instruments that meet the new standards
in a timely manner.