GTI AEROSOL PHOTOMETER MODEL 3990

GIT Aerosol Photometer 3990 is a light-scattered linear digital aerosol photometer with advanced technology and scientific design. The structure is compact, easy to carry, and the operation and settings can be completed through the friendly interface of the 5.6-inch true color touch screen display. Due to the aerosol noise suppression function, the test data is more stable. The built-in thermal printer is equipped with long-term thermal printing paper, and the real-time printing of test data can be completed on the test site.

Applications

• Independent filter certifiers

• Nuclear facilities

• Pharmaceutical manufacturers

• Fume hood inspection and equipment

• Cleanroom certification and validation services

• HEPA and HVAC integrity PAO test

The scanning probe is connected to the 3990 main body through a 4-meter air cable. It not only has the same operation function as the main body and is displayed synchronously, but also has a one-dimensional code scanning function. After scanning the one-dimensional code of the tested high-efficiency filter, the test data Automatic identification and classification, data traceability, convenient statistical analysis of test data, and improved work efficiency.

 After the high-efficiency filter is put into operation, if there is a leak point or a gap exists due to insufficient installation, the predetermined purification effect will not be achieved, and a leak test must be carried out on the high-efficiency filter. Due to the low atmospheric dust concentration upstream of the tested high-efficiency filter, an aerosol generator needs to be used to supplement dust generation to meet the test conditions. Using a digital  aerosol photometer to test the concentration of suspended particulate matter upstream of the high-efficiency filter and performing a uniform scanning test downstream, the leak rate of the tested high-efficiency filter can be obtained, which is convenient for the identification and quantification of leak points for repair reference.