GTI Aerosol Photometer Model 3991
An aerosol photometer is an instrument used to measure the light scattering or absorption properties of suspended particles in the air, which are known as aerosols.
An aerosol photometer usually works by illuminating an aerosol sample with a light source. When the light interacts with the aerosol particles, part of the light is scattered or absorbed. The instrument measures the intensity of scattered or absorbed light to estimate the concentration of aerosols in the air.
Features and Benefits:
- Built-in lithium battery sustainable testing for 4.5 hours Built-in lithium battery Sustainable testing
for 4.5 hours. - Ultra-large data storage, which can store up to 100000 sets of data.
- Convenient software upgrading. Plug in the USB flash disk to import the upgrade file, and just by
pressing one button for upgrading. - Built-in three-level authority management, which can generate operation logs and comply
with the requirements of laws and regulations. - Built-in low power mode to reduce instrument power consumption when not tested
Applications:
- High Efficiency Filter Verification.
- Nuclear energy and fuel.
- Pharmaceutical industry and electronic industry
- Medical operating room and cleanroom.
- Biosafety cabinet and fume hood.
- Food processing and scientific experiment
GTI Aerosol Photometer Model 3991
An aerosol photometer is an instrument used to measure the light scattering or absorption properties of suspended particles in the air, which are known as aerosols.
An aerosol photometer usually works by illuminating an aerosol sample with a light source. When the light interacts with the aerosol particles, part of the light is scattered or absorbed. The instrument measures the intensity of scattered or absorbed light to estimate the concentration of aerosols in the air.
Features and Benefits:
- Built-in lithium battery sustainable testing for 4.5 hours Built-in lithium battery Sustainable testing
for 4.5 hours. - Ultra-large data storage, which can store up to 100000 sets of data.
- Convenient software upgrading. Plug in the USB flash disk to import the upgrade file, and just by
pressing one button for upgrading. - Built-in three-level authority management, which can generate operation logs and comply
with the requirements of laws and regulations. - Built-in low power mode to reduce instrument power consumption when not tested
Applications:
- High Efficiency Filter Verification.
- Nuclear energy and fuel.
- Pharmaceutical industry and electronic industry
- Medical operating room and cleanroom.
- Biosafety cabinet and fume hood.
- Food processing and scientific experiment

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