quick overview :

1. Air duct for the investigation of the heat transfer in airflows
2. Use of different heat exchangers in the air duct
3. Insulated air duct with flow straightener
4. Radial fan with adjustable flow rate
5. Pitot tube with inclined tube manometer to measure velocitiy distribution and pressure loss
6. Pressure sensor, combined temperature and humidity sensor
7. Switch cabinet with digital displays

1. Air duct cross-section: 150x300mm

1. power: 900W
2. max. flow rate: 1680m³/h
3. max. pressure difference 1000Pa
4. nominal speed: 2840min-1
5. Pitot tube: travel 300mm
6. Inclined tube manometer: 0...100Pa

1. temperature: 2x 0...50°C
2. humidity: 2x 100% rel. humidity
3. pressure: 2x 0...10mbar