Air flow measurements in ducts according to DIN EN 12599
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Significance of air velocity
Measurement of the right air velocity
The right measurement location
The measurement method
Analysis of the measurement values
The measurement report
Balanced ventilation systems
Increasingly better insulated buildings with ever tighter shells mean that moisture and odours can no longer escape through joints. In addition, fresh air can no longer easily enter the house. This is where a balanced ventilation system (BVS) comes in: These ventilation-supported systems ensure an air exchange by introducing fresh air into the rooms and transporting used air, pollutants and odours away. This increases well-being and prevents moisture damage and mould:
Indoor ventilation maintenance – here’s how it’s done
Indoor climate measuring instruments and probes from Testo support you in all phases of a BVS: From the planning phase through the optimum adjustment up to regular monitoring of the performance – intuitively, precisely and taking legal conformity into consideration. Indoor climate measurement technology from Testo can of course be used not only for centralised, but also for decentralised indoor ventilation.
Compact
Determining volume flow and air quantity in a ventilation duct
With the testo 440 and the suitable hot-wire or vane probe, you determine volume flow in a duct quickly and precisely.
Professionally commissioning and maintaining ventilation
Ensure efficient operation
Save measurement data and export for commissioning report
testo 440 100 mm Vane Kit
Testing air exchange rate at vents
With the testo 440, a vane probe (Ø 100 mm) and the corresponding testovent 417 flow straightener set, you determine the volume flow at supply or output air vents simply and without error.
Ensuring the dissipation of room loads
Ensure sufficient fresh air supply and ventilation
Avoid draughts and noise formation
testo 440 CO2 Kit
Measuring humidity and temperature in rooms
You record the air humidity and the air temperature in rooms in no time using the testo 440 and the suitable humidity/temperature probe.
Ensure a healthy indoor climate
Avoid mould damage
Protect building substance
Adjusting balanced ventilation systems (BVS) – with Testo technology
Choose your application
Ventilation and air conditioning systems
Ventilation and air conditioning systems use a lot of energy. However, they are indispensable for a pleasant room climate. Measuring instruments from Testo help you to control the systems efficiently in order to quickly achieve significant savings and ensure a comfortable climate in all rooms.
For flow measurement in the duct and at the outlet, Testo offers you various measurement solutions - from small Testo Smart Probes to digital anemometers to multifunctional climate measuring instruments.
Measuring tasks on domestic ventilation systems
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Air balancing
Multi-site measurement