Funnel set: comprising funnel for disc valves (200 x 200 mm) and funnel for ventilators (330 x 330 mm)

For precise flow rate measurements at air outlets in your industrial and commercial buildings, choose this funnel set from Testo. The versatile set consists of two funnels, including one for plate outlets and another for ventilators. This set is designed for use with items in the 417 series for ease of assembly and simple flow rate measurements. You can also use it with flow straighteners to take readings in swirl outlets.

• Wide measurement range of 0 to 440m³/h for use in both light and heavy-duty applications
• Broad operating temperature range of 0°C to +50°C for use in demanding settings
• Resolution of 0.1m³/h for measurements between 0 and 99.9m³/h to ensure accurate results
• Integrated rubber ring for a secure fit on the measuring instrument

• HVAC systems
• Process and packaging industries
• Department stores

When using this funnel with an anemometer, it's important to hold the joined unit by the funnel and not by the vane or probe to prevent damage.