General Tools & Instruments DAF800 is a compact handheld anemometer designed to provide accurate air velocity measurements. It features a low-friction ball bearing mounted vane wheel design for high accuracy at both high and low air velocities. The concise and compact button arrangement allows for easy operation, while the wristlet design provides extra protection during one-handed use.

With its ability to measure air velocity in various units (ft/min, m/s, km/h, MPH, knots), the DAF800 is suitable for a wide range of applications. It is ideal for measuring airflow in HVAC systems, wind speed during outdoor activities, or air velocity in industrial settings.