The Extech SDL300-NIST is an advanced sound level datalogger designed to provide precise and reliable measurements of sound levels in various environments. With its comprehensive features and durable construction, this instrument is a valuable tool for professionals seeking accurate sound analysis.The SDL300 is equipped with a high-precision condenser microphone that ensures accurate sound level measurements across a wide frequency range. It has a large dynamic range, allowing it to capture both low-level ambient noise and high-intensity industrial or construction site sounds with exceptional accuracy.One of the key features of the SDL300 is its ability to log sound level data over time. It can record measurements at programmable intervals, making it ideal for long-term monitoring or compliance testing. The datalogging function enables the storage of a substantial amount of data, which can be conveniently downloaded to a computer for detailed analysis and reporting.The instrument features a user-friendly interface with a backlit dual LCD display, providing clear and easy-to-read results even in low-light conditions. It offers multiple measurement modes, including A- and C-weighting, as well as fast and slow response times, allowing users to adapt the settings to meet the specific requirements of their sound monitoring applications.Built to withstand demanding conditions, the SDL300 boasts a rugged and ergonomic design. It is constructed with durability in mind, ensuring reliable performance even in challenging environments. Additionally, the instrument features a tripod mount, enabling hands-free operation during extended monitoring sessions.The Extech SDL300 is an indispensable tool for professionals involved in environmental noise assessment, occupational health and safety evaluations, and general sound level measurements. With its advanced features, robust construction, and user-friendly design, the SDL300 provides accurate and comprehensive sound analysis capabilities for a wide range of applications. It includes NIST Certification.