Meltblown Cloth Particle Filtration Efficiency PFE Tester DRK-506
Meltblown Cloth Particle Filtration Efficiency PFE Tester DRK-506 Mask, Cloth & Fabric Testing Equipment Kuala Lumpur (KL), Malaysia, Selangor, Penang, Johor Bahru (JB) Supplier, Suppliers, Supply, Supplies | Redmark Industry Sdn Bhd
 Product features
  1. Medical surgical mask particle filtration efficiency PFE tester is equipped with a dedicated salt aerosol generator, which can generate aerosols of specific particle size and concentration. For tests that require high-concentration aerosols, using 0.3um PSL standard particles, the main particle size range ≥0.3um, accounting for more than 70% of the total, can produce aerosols continuously and stably. Provide test particles to the upstream of the filter material;
  2. Equipped with multiple series of special fixtures, suitable for the detection of various masks. The clamp is mainly made of stainless steel to be used for the compression and sealing of the tested filter material;
  3. Automatically control the aerosol generation, automatically calculate the capture efficiency and the airflow resistance of the mask, and reduce human intervention;
  4. Built-in high-precision electronic flowmeter and high-performance Sampling pump to ensure flow stability;
  5. Built-in dual high-precision laser particle counters, which are mainly used to monitor the upstream and downstream particle concentration of the tested filter material to obtain the efficiency of the tested filter material;
  6. The differential pressure sensor is used to test the filter material. Measure the pressure difference (or resistance) of the filter material under a certain test flow;
  7. Imported air pump, used to pass the test flow of the filter material, with stable flow, green energy saving, low vibration and noise;
  8. Computer control and software operation, equipment Circuit control and operation, software calculation and data processing, stability judgment of upstream concentration, operation control, parameter setting.
The main parameter Range Resolution Maximum allowable error
Test flow (5~100) L/min 0.01L/min  ±1%
Pressure detection range (0~2500)Pa 0.1Pa  ±1%
Concentration detection range (0.001~100)μg/L 0.01μg/L
Detection accuracy 1% of reading value in the range of 0.01% to 100% 
Test repeatability  5% of reading value in the range of 0.01% to 100%
the median diameter of salt aerosol particles (CMD) (0.075±0.02) μm
Oily aerosol particle number median diameter (CMD) (optional)  (0.185±0.02) μm
Test area  100cm²
Particle size display @≥0.3 um
Screen display Computer PC control lenovo control
Material Stainless steel
Operating temperature 20±5°C
Instrument Noise <60dB(A)
Power Supply AC220V±10%, 50Hz
Host Size (Length 700 x Width 720 x Height 1450) mm


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