Computerized control and friendly human-machine interface: whole system is monitored and controlled by industrial touch screen, and friendly interface makes it easy to use. Adopt smart design, unable to start instrument or stop working to reduce damage to instrument when gas source pressure insufficient is detected. Software interface displays real-time parameters (e.g., gas pressure, gas flow, powder mass flow, theoretical concentration, remaining working time, feeding speed, etc.) so that user is clear about instrument running status.

Adjustable and precise control of dust feeding speed: dust feeding speed is adjustable in range of 0.003-5mm/min, which can accurately and quantitatively generate aerosols of different concentrations of dust to meet different test needs.

Smart identification and display: system can automatically identify current amount of dust loaded, calculate and display remaining working time in real time according to set sample feeding speed, and will automatically stop working when sample is used up.

Gas flow adjustment: user can adjust concentration of generated dust aerosol, by adjusting electronic flow meter and precision valve to control gas flow.

Real-time theoretical concentration display: system automatically calculates and displays theoretical concentration of aerosol in real time according to detected gas flow rate and powder mass flow rate.

① OECD TG 403 Acute Inhalation Toxicity (2009);

② OECD TG 436 Acute Inhalation Toxicity; Acute Toxic Class Method (2009);

③ OECD TG 412 28d Sub-acute inhalation (2018);

④ OECD TG 413 90d Sub-chronic inhalation (2018);