Testo 420 Air balancing hood, 610 * 610mm, including removable differential pressure measuring instrument. Measures air volume flowing through registers, diffusers, and grilles. Weighs only 2.9kgs.
- Range: 40~4000m3/hr
- Differential Pressure: -120 to +120 Pa
- Relative Humidity: 0 to 100%
- Temperature: -20°C to 70°C
- 2 GB internal storage, approx. 18,000 measurements
- Operating temperature: -5°C to 50°C
- Bluetooth connectivity to your smartphone, android or iphone