Calibration of black carbon meter and other aerosol mass concentration measurement instruments

Project background:

Design a calibration system to calibrate the black carbon meter and other aerosol mass concentration measurement instruments.

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Disadvantages of traditional calibration methods:

Traditional aerosol instrument calibration uses: aerosol generator, DMA (Differential mobility analyzer), CPC (Condensation particle counter) system to calibrate aerosol instrument. However, the system needs to be imported, and the price is expensive (~1 million RMB).

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EIPROTECH's solution:

We have designed a cost-effective and reliable instrument calibration system. The mass of the aerosol obtained by the weighing is compared and calibrated with the signal generated by the instruments.

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Program features:

• A reliable aerosol generator for generating aerosols 

• Use a diffusion drying tube to dry the generated aerosol to prepare for subsequent accurate detection

• A reusable filter membrane holder is used to collect aerosols for subsequent weighing and analysis

• Precise flow control of the two gas paths using orifices 

• Use splitter tubes to reduce aerosol pipeline loss

• Cost-effective and easy to operate