Product Description
Product Description
Product Description
AT902 Automated Filter Tester is a universal tester, development according to the standard of GB2626-2006-6.3, EN 149:2009, it mainly used for detecting the efficiency of the particulate respirator filtration and detecting the filtration efficiency and resistance of material.
Working Principle
By detecting the concentration of upstream and downstream, and then calculate the results through the formula. Airflow can be real-time monitored through electric proportional valve and flow meter, to ensure the accuracy of the test flow and the stability. The aerosol concentration can be monitored by electrical proportional valve and differential gauge, and provide stable test particles.
Standard
EN143
| GB2626-200
| JMOL
|
NIOSH 42 CFR 84
|
|
|
Features
1. Compliancewith more regulations and well received by many customers
2. Simple, fast and automated operation
3. Support Chineseand English, menu type operatingmode and large LCD display, it’s easy to switch
4. It equipped with two generators to test both salt and oil on one machine, you don’t need to change any part of the machine or clear the part. It’s easy to operate and high efficient.
Specification
Model
| AT902
|
Air volume
| (20 ~100) L/min
|
Efficiency
| 10%-99.999%
|
Aerosol
| Salt, DOP, DEHS, Paroline, Corn oil, optional
|
Resistance
| 0-2000Pa
|
Detect temperature
| 5 ~ 35℃
|
Related humidity
| 0 ~ 90% RH
|
OPC self-purification time
| ≤10 mins
|
OPC flow rate accuracy
| ±5%
|
OPC repeatability
| ≤10% F.S
|
OPC particle size distribution deviation
| ± 30%
|
OPC particle density deviation
| ± 30% F.S
|
Pressure detect
| Digital pressure sensor (pressure difference transmitter)
|
Operation display
| LCD display
|
Power supply
| 110~235V, 50Hz
|
Dimension
| Main machine
| 950mm × 600mm ×600mm
|
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