The Digi-Sense Data Logging Vane Anemometer is a high-quality instrument designed for measuring air flow and temperature. With its vane anemometer type, this device is able to provide accurate readings for a variety of industrial and commercial applications. The inclusion of NIST calibration ensures precise measurements, making it a reliable tool for professionals in fields such as HVAC, environmental monitoring, and energy efficiency testing. The open box and never-used status suggest that this product is in prime condition for immediate use in your testing and measurement needs.