The Extech SDL400-NIST is an advanced sound level datalogger designed to provide precise and comprehensive measurements of sound levels in various environments. With its advanced features, durable construction, and user-friendly interface, this instrument is a trusted choice for professionals seeking accurate sound analysis.

Equipped with a high-precision condenser microphone, the SDL400 ensures accurate sound level measurements across a wide frequency range. It features an extended dynamic range, enabling it to capture both low-level ambient noise and high-intensity industrial or construction site sounds with exceptional precision.

The SDL400 excels in 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 large amount of data, which can be easily downloaded to a computer for detailed analysis and reporting.

Featuring a backlit dual LCD display, the instrument offers clear and easy-to-read results, even in low-light conditions. It provides multiple measurement modes, including A- and C-weighting, as well as fast and slow response times, allowing users to customize the settings to match the specific requirements of their sound monitoring applications.

Built with durability in mind, the SDL400 features a rugged and robust construction. It is designed to withstand challenging environments, ensuring reliable performance and accurate measurements in various situations. Additionally, the instrument includes a tripod mount, enabling hands-free operation during extended monitoring sessions.

The Extech SDL400 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, durable construction, and user-friendly design, the SDL400 provides precise and comprehensive sound analysis capabilities, making it a reliable companion for a wide range of applications. It includes NIST Certification.