Particle filter efficiency and airflow resistance tester
- 10 Piece / Pieces per Month
- SHENZHEN
- T/T
- 3 days
Product Details
Brand Name: | CHINA | Place of Origin: | China | Model Number: | 2020 |
Weight: | 70 | Operating Temperature: | Particle filter efficiency | Supply Voltage: | 380V |
Dimensions: | 1000*750*1750 | Accuracy Class: | Particle filter efficiency | Measuring Range: | Particle filter efficiency |
Product Description
Function Overview:
Filter material efficiency test bench, suitable for testing filter material efficiency of 40-99.9% grade, testing filter material according to international standard. The design of the whole test bench is compact, light, and only needs to provide appropriate power and compressed air (no water, no oil) during the operation of the test, suitable for laboratory, factory and other occasions.
Design principle
It is stipulated that particle counting method is used to measure the diameter efficiency in filter paper test. Both monodisperse and polydisperse aerosols can be used in the experiment. The difference between the two methods lies in the aerosol generation method and the particle counting method. The pressure drop shall be measured at the specified filtration rate.
The filter paper is fixed on the fixture, and the test air volume corresponds to the required filter speed. The aerosol produced by the aerosol generator is adjusted (for example, the evaporation of the solvent), then neutralized by electrostatic (DOP), mixed evenly with the filtered test air, and then into the filtration material in the test area.
To measure efficiency, one air is drawn upstream and one downstream of the filter. Using the particle counting instrument, the counting concentration of each particle size in the sampled airflow was measured, and then the measured efficiency was obtained through the ratio of upstream and downstream.
In addition, it is necessary to measure the filter resistance during the test, and manually adjust the flow control.
The machine meets the reference standards:
● Performance test Method for filters for general ventilation
● ANSI/ASHRAE52.1-1992
Test methods for air purifiers for general ventilation - weight method and colorimetric method
● Europe EN 779:2002
Air filters for general ventilation - Determination of filtration performance
● Japan JISB9908:2001
Test methods for air filters and electric air cleaners for ventilation
● European EN1822-3 high efficiency filter
●GB2626-2006 Self-priming filter respirator against particulate matter
●GB2626-2019 self-priming filter respirator against particulate matter
Low ISO - 29463
A high efficiency filter and filter medium for the removal of particulates from the air
The test efficiency ranges from 40% to 99.9%@≥0.3 m
The test area is 100cm
The test differential pressure ranges were 0-50Pa ±1% and 50-500Pa ±1.5%
Test flow rate of filter material under test: 25-100l /min±2.5%(adjustable)
The aerosol types DOP(oily) /Nacl (saline) were selected
Counter sampling flow 2.83l /min ±5%
The particle size shows @≥0.3um
Counter laser light source laser diode
The inlet air pump works steadily continuously
Counter verification standard GB/T6167-2007, JJF1190-2008
Counting repeatability relative error <±10%
Count size distribution error <±30%
Counter self-cleaning time ≤10min (counting is zero for 3 times within 10 minutes, 95% confidence)
Data memory capacity 1 ~ 1000 sets of measured data, which can be exported
The screen displays a color 7-inch touch screen
Built-in thermal printer for printing
Power supply/power AC 380V/50Hz 1KW
Dynamic detection range was 0.001-100 mg/m3 with an accuracy of 1%
Data export interface USB
Environment: 0 ~ 30℃ relative humidity 10 ~ 70%; Air circulation!
Storage environment: 0℃ ~ 30℃ Relative humidity 0 ~ 70% air circulation!
Standard accessories thermal printer paper, operating instructions, certificates
Contact Us
- Shenzhen BaiChuan Electronics Co., Ltd.
- Contact nameSally Chen
- Phone86-755-27709066
- Addresslonghua Shenzhen,Guangdong
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