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Aerosol Photometer Model 3990
During the High Efficiency Penetration Air-filter running, if any leakage or allowed because of not fully installed happened, the intended cleaning effect will not be achieved, so, it’s necessary to detect leaks in high efficiency filtration systems (HEPA & ULPA). To validate the integrity of a filtration system, a known challenge agent ( such as Aerosol Generator) consisting of an airborne test aerosol is generated and introduced upstream of the filter. The challenge agent provides particulate matter upstream of the filter to allow measurements downstream of the filter. To take the Photometer for checking the upstream aerosol concentration and comparing with the downstream aerosol with the use of the scanning probe, the leakage of HEPA will be detected for the efficiency.
The 3990 is a forward light-scattering, linear digital photometer. The primary application for the 3990 is integrity/leak testing of HEPA/ULPA filtration systems with a compact and light weight, rugged die cast construct, easy to work, portable and friendly large bright true color 5.6 inch LCD providing ease of operation and readability. Because of the Aerosol Noise Suppression function, the testing data will be more stable. One build-in thermal printer support long term thermal paper printing, real-time data reading and printing at site.
Scanning probe is available to quick connecting with 3990 Master unit by one 4m long cable, with the same operation functions as the Master’s and displaying in-phase. The probe with 1D bar-code scanning function can scanning obtain the HEPA’s S/N., identifying data results and classifying. The traceable testing data will convenient statistics analysis for more efficiency work.
Application
² HEPA efficiency verification
² Nuclear energy and fuel
² Pharmaceutical factory, electronic industry
² Medical operating room, clean room
² Bio-safety cabinets, Cleaning work station
² Food processing, Scientific research
Feature and Characters
² 5.6” true-color LCD touch screen friendly display in both Chinese and English.
² Build-in thermal printer with long term paper for real time printing
² Scanning probe with 1D bar-code scanning function, test data classify automatically and traceable.
² Scanning probe available for operating with Master unit and displaying in phase, with long cable and sampling tube.
² With Aerosol Noise Suppression function, testing data will be more stable.
² Advanced technology, scientific design, compact structure, portable and easy to carry.
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