Omega HHF801 is a versatile anemometer that provides accurate air velocity and temperature measurements in various environments. Its key features and use cases include:

1. Air Velocity Measurement: The device excels in measuring air velocity with high accuracy over a wide range, from 0.8 to 12 m/s. It offers multiple velocity units (m/s, km/h, mph, knots, ft/min) to suit different applications.

2. Temperature Measurement: The built-in thermistor sensor enables accurate temperature readings, displayed in both Celsius and Fahrenheit units. This feature makes it suitable for measuring temperature in conjunction with air velocity, providing a comprehensive understanding of airflow conditions.