The Extech HD500 is a professional-grade, rugged environmental meter designed for accurate and reliable measurements of temperature, humidity, air velocity, light intensity, and sound level. This versatile handheld instrument combines durability, precision, and essential features to provide comprehensive environmental monitoring capabilities for professionals in various industries.The Extech HD500 features built-in sensors that allow for quick and accurate measurements of temperature, relative humidity, air velocity, light intensity, and sound level. The instrument displays the measured values on a clear and backlit LCD screen, providing easy-to-read results even in low-light conditions.The meter may include additional features such as data logging capabilities, allowing users to store and review measurement data for further analysis. It may also offer minimum and maximum value tracking, providing information about the highest and lowest recorded environmental conditions during a measurement period.Designed for durability and user convenience, the Extech HD500 has a rugged and IP65-rated housing that withstands tough working conditions and provides protection against dust and water ingress. It is typically powered by batteries, ensuring portability and allowing for on-the-go environmental monitoring in different locations.The Extech HD500 is suitable for a wide range of applications, including HVAC, building maintenance, cleanrooms, laboratories, industrial environments, and occupational health and safety assessments. Accurate and reliable environmental measurements are crucial for optimizing comfort, ensuring compliance, and identifying potential issues related to temperature, humidity, air velocity, light intensity, and sound level.