Automatic Control Functions:
1. Separated surface wind speed automatic stabilization.
2. Wind volume automatically adjustable.
3. Automatically shut down window, light and stop air blower if nobody be there.

Display Functions:
1. Surface wind speed
2. The position of window
3. Showing the opening of valve
4. Fault display and alert

Record Functions:
1. History data record
2. History record of fault
3. Trend chart

Features:
1. Frame: 1.2mm cold-roll steel sheet with rust prevention treatment and electrostatic coating;
2. Valve: Venturi valve, from running to power-off ≤1 second;
3. Work Area: grade laminate, with high acid and alkali resistance; Solid chemical-resistant laminate for worktop, is dismountable and easy to clean;
4. Window: ≥5MM Stalinite glass;
5. Control panel: smart touch switch, with nice appearance and easy operation;
6. Electric control system: with functions of anti-overloading and electric-shock safeguard; with stable performance and long service life. Safeguard socket specially for laboratory, using fire proof PC material.

Technical Parameters:
1. Constant surface wind speed: 0.5 m/s;
2. Static adjustment system: wind speed fluctuation not exceeding ±20% (international standard);
Automatic adjustment: wind speed fluctuation not exceeding ±25%, lower than international standard ±40%;
3. Leak concentration: 0.07 PPM;
4. Suction inlet wind speed: ≥0.50m/s;
5. Vibration amplitude: ≤5M（RMS）frequency between 10 Hz and 10KHz.
6. Noise: ≤60Db