1.Product Description

With clean compressed air, the prepared NaCl solution or a similar solution such as DEHS/PAO are sprayed from the aerosol generator. After passing through a classifier (inertia principle), unneeded large particles are collected into the collection bottle, and particles meeting the requirements enter into the test system from the nozzle of aerosol generator.

2.Features

1.The aerosol emitted by the aerosol generator requires two treatments before reaching the tested filter material : 1. Produce aerosol salt particles by mixing with the heated gas (for salt spray). 2. Neutralize the static electricity carried by the aerosol through an electrostatic neutralizer, this treatment is to reduce the impact of particle loss and static electricity on the test results.

2.After the aerosol is processed by the above two treatments, it reaches to the surface of tested filer material at a certain flow rate (flow rate), and then the test procedure is started. For the filter efficiency test, the test time is very short, and it takes only a few seconds to complete the test. For the loading experiment, the experiment is relatively long. The particle counter or laser scattering photometer is used to measure the concentration or mass concentration of the upstream and downstream aerosol, and to calculate the filtration efficiency. At the same time, the pressure drop on both sides of the filter is measured by the differential pressure sensor.

1. Technical Parameters

 

Flow range	0-100 L / min, accuracy 2%
Filtration efficiency	0.001 ~ 99.999%
pressure	500Pa
Test area	100cm²
Aerosol	NaCl, Oil
test temperature	23 ± 5 ℃
Relative humidity	60%±10
Count median diameter	0.075±0.02um(NaCL)、0.185±0.02um(oily)
Dimensions	1850*1000*830mm
weight	180kg
power supply	AC220V 50HZ
Gas source	Supply pressure above 0.45MPa, flow rate 120L / min

 

2. Test Standards:

GB/T 19083-2010 5.4

YY0469-2011 5.6.2 Particle protection

GB/T 32610-2016

GB 2626-2019 6.3

GB 19082-2009 5.7

EN 1822-3:2012  EN 149-2001

EN 14683:2005  IEST-RP-CC021.1  NIOSH 42 CFR Part 84

 

3. Configuration List

Name	Unit	Qty	Remark
Aerosol generator	set	1	Produce a certain concentration of NaCl gas and oily particles
Ion neutralizer	set	1	Neutralizing ion
Flowmeter	set	1	Test gas flow
Laser Particle Counter	set	2	Detect the concentration of NaCl and oil medium
Salinity neutralization	set	1	Neutralize salinity
Chassis	set	1	plastic-coated Chassis
Computer	set	1
Software	set	1
Hygrometer	set	1	Display humidity
pressure gauge	set	2	Display pressure
Thermometer	set	1	Collection temperature
Differential pressure sensor	set	1	Collect pressure
User manual	set	1