Measure air velocity and volume flow in ventilation ducts with this vane probe from Testo. It features an extendable telescope with an adjustable length between 300 and 850mm, making it easy to take measurements in hard-to-reach places. The fixed cable has an ample length of 1.7m to give you a flexible reach. Its broad velocity measurement range of 0.6 to 50m/s makes it suitable for use in a wide variety of environments.

• Compatible with the Testo 440 series of data loggers for ease of use
• Compact probe head diameter of 16mm to fit into tight spaces
• Light weight of 150g makes it easy to handle

• Industrial worksites
• HVAC systems

This vane probe has an accuracy of +0.2m/s + 1% of the measured value within a measurement range of 0.6 to 40m/s and an accuracy of +0.2m/s + 2% of the measured value within a measurement range of 40.1 to 50m/s. This makes it a highly accurate tool that gives you precise readings.