Filtration efficiency (PFE) tester (dual flame photometer sensor) -
Filtration efficiency (PFE) tester (dual flame photometer sensor)
2024-07-08
Instrument Usage:
It is used to test the filtration efficiency and airflow resistance of various masks, respirators, and flat materials, such as glass fiber, PTFE, PET, and PP meltblown composites, in a fast, accurate, and stable manner.
Conform to the standard:
EN 149-2001 and other standards.
Product features:
1, the use of high-precision imported brand differential pressure transmitter, to ensure the accuracy and stability of the air resistance differential pressure of the test sample.
2, the use of well-known brands of high-precision dual photometer sensor, while monitoring the upstream and downstream particle concentration mg / m3, to ensure accurate, stable, fast and effective sampling.
3、Test inlet and outlet air is equipped with a clean device to ensure that the test air is clean and excluded from the air clean, no pollution of the test environment.
4、Adopting frequency conversion to control the speed of the mainstream fan to automatically control the test flow rate and stabilize the flow rate within ± 0.5L/min of the setting.
5、Adopt Collision multi-nozzle design to ensure that the fog concentration adjustment is fast and stable. Dust particle size to meet the following requirements:
5.1, salt: NaCl particles concentration 1mg/m3 ~ 25mg/m3, counting the median diameter of (0.075 ± 0.020) μm, particle size distribution of the geometric standard deviation ≤ 1.86.
6, with 10-inch touch screen, Omron PLC controller. The test results are displayed or printed directly. Test results include: test report and loading report.
7, the whole machine is simple to operate just place the specimen between the fixture, both hands at the same time to press the anti-clamping device of the two start keys work automatically. No need to do the blank test.
8、When working, the noise of the whole machine is less than 65dB.
9, built-in automatic calibration of particle concentration program, just enter the actual test loaded weight into the instrument, the instrument automatically ac
