Particulate Filtration Efficiency Tester
Quick start User Manual
The Mask Particulate Filtration Efficiency Tester is used for testing the filtration efficiency of daily protective masks, medical masks and melt-blown materials on particulate matter, as well as measuring the obstruction performance of common fabrics and medical protective masks on airflow with constant flow rate.
It is suitable for the medical device inspection center, safety protection inspection center, labor protection inspection center, drug inspection center, prevention and control center, textile testing center, hospital, mask manufacturing enterprises, etc.
Its design and manufacturing according to the standards of YY 0469-2004
Items Technical Parameters
Filter efficiency detection Range 30-99.999%
Filter efficiency detecting flowmeter range (15-100) L/min, the precision of 2.5 level
Filter efficiency particulate concentration （20-30）mg/m3
Testing Area 100cm²
Measuring pressure differential range 0-500Pa
Aerosol Type (Dust Source) sodium salt(2% NaCl solution) or Oily particles (DOP,DEHS,paroline,corn oil)
Counting median diameter(Optional) Salt particles（0.075±0.02）μm
Counter Sampling flow 2.83L/min±5%
Counter measurement channel 0.3um, 0.5um, 1.0um, 3.0um, 5.0um, 10.0um
The geometric standard deviation of particle size distribution
Salt particles≤1.86, oil particles≤1.60
Power supply AC 220V,50HZ
Dimension 8506801450mm（change based on configuration）
1.It adopts cold generation aerosol generator to produce continuous and stable aerosol particles, which is convenient for filling solutions.
2.It adopts high precision PM 2.5 sensor from Japan to measure aerosol concentration.
3.The whole process of particle leakage prevention design, to protect the safety of the experimenters.
4.Two sets of aerosol generators: salt particulate aerosol generator and oily particulate aerosol generator.
5.Equipped with a static neutralization device for aerosol particles.
6.Pneumatic fixture, easy to load and change samples, and equipped with protection device, safe and convenient to use.
7.Equipped with industrial level temperature and humidity sensor, real-time display of ambient temperature and humidity (temperature and humidity requirements: 25℃±5, 30%RH±10%RH)
8.Equipped with glass rotameter, vacuum pump, laser dust particle counter.
9.Control system: Omron 10-inch touch screen form Japan, equipped with Omron acquisition controller and special testing software. The computer automatically tests the gas concentration and automatically calculates the filter efficiency. It can save, output, inquire, print test date.