Mask Particle filtration efficiency tester (PFE) is used to test the particle filtration efficiency of daily protective respirator and medical respirator, and determine the blocking performance of ordinary fabric and medical protective respirator for constant flow of air. It is applicable to medical equipment testing center, safety protection testing center, labor protection testing center, drug testing center, disease prevention and control center, textile testing center, hospital, mask manufacturer, etc.
Particle Filtration Efficiency (PFE) Tester
It is used to test the filtering efficiency of daily protective masks and medical masks for particulate matter, and to determine the obstruction performance of ordinary fabrics and medical protective masks against the constant flow of airflow. Applicable to medical device inspection center, safety protection inspection center, labor protection inspection center, drug inspection center, disease prevention and control center, textile testing center, hospital, mask manufacturing enterprises and etc.
GB2626-2006 / GB2626-2019 (CE certificate is available for choose).
Filtration efficiency range
Filtration efficiency detecting flow range
（10-100）L/min, accurancy level 2.5
Filtration efficiency sampling frequency
1-9,999 times/min (adjustable)
Filtration efficiency particle concentration
Counting median diameter
Salt particles =(0.075±0.02)μm;
Oil particles =(0.185±0.02)μm
Geometric standard deviation of particle size distribution
Dynamic detection range
0.001-100 mg/m3，with accurancy 1%
W1300 x D700 x H1500mm
Differential pressure sensor range
1. The cold-generation aerosol generator generates continuous and stable aerosol particles, which is convenient for filling the solution.
2. Adopt high-precision PM2.5 sensor to measure aerosol concentration.
3. The anti-leakage design of the whole particle to protect the safety of the experimenters.
4. Two sets of aerosol generators: salt particulate aerosol generator and oily particulate aerosol generator.
5. Pneumatic fixture is equipped with protection device, which is safe and convenient to use.
6. Configure the temperature and humidity sensor to display the ambient temperature and humidity in real time (temperature and humidity requirements: 25℃ ± 5℃, 30% RH ±10% RH).
7. Equipped with glass rotor flowmeter, vacuum pump and laser dust particle counter.
8. Control system: touch screen control test control system.
9. Automatically test gas concentration, automatically calculate filtration efficiency, can save, output, query and print test data instantly.
1. salt particulate aerosol generator (Options:oily particulate aerosol generator)
2. Air dryer
3. Vacuum pump
4. Particle Counters x 2pcs
5. Melt blown test fixture
6. KN95 test fixture
Mask Particle filtration efficiency tester(PFE)|Sanwood Environmental Chambers
Guangdong Sanwood Technology Co.,Ltd