Mask Automatic Filtering Efficiency Tester 8130a

Technical Parameters
Items : Parameters :
Type of aerosol : Emery 3004i DOP,DEHS, Paraffin : NaCl
Average mass diameter : 0.33um : 0.26um
Average number of diameters : 0.20um : 0.07um
Geometric deviation : <1.6 : <1.83
Aerosol concentration : 50-200mg/m3 : 15-20mg/m3 70L/min
Aerosol monitoring : Laser scatter photometer or particle counter
Monitoring range : 1.0ug/m3-200mg/m3
Flow monitoring : Vane flowmeter with pressure sensor
Monitoring range : 15-100L/min
Monitoring accuracy : 2% of full scale
Pressure monitoring : electronic pressure sensor / differential pressure sensor
Monitoring range : 0-15cm H2O
Monitoring accuracy : 2% of full scale
Filtration efficiency measurement :
The flow of through filter material : 15-100L/min
Measurement accuracy : Penetration rate 0.001%; filtration efficiency of up to 99.999%;
Automation and electrical control and data acquisition : Microprocessors
Output : LED display;RS-232 communication interface
Operational requirements :
Power supply : 100-120VAC 60Hz 5A or 230-240VAC 50Hz 2.5A
Compressed air requirements : 80 psig 7scfm (550kpa, 198std L/min)
Aerosol vents requirements : 7scfm (198std L/min)
Environmental requirements : 10-50 degrees, no condensation, no wet environment Size 80 * 100 * 150cm
The noise level : Less than 75dB