The Extech SD200-NIST is a compact and versatile sound level datalogger designed for accurate measurement and recording of sound levels in various environments. This handheld instrument combines reliability, functionality, and essential features to provide comprehensive sound level monitoring capabilities for professionals in industries such as construction, environmental monitoring, and occupational safety.The Extech SD200 utilizes a built-in microphone or an external microphone to capture sound waves and measure sound pressure levels. It offers a wide measurement range, allowing users to assess sound levels accurately from low to high intensities. This datalogger is capable of recording sound level readings at set intervals, providing a continuous log of data over a specific time period.Equipped with data logging capabilities, the SD200 can store a large number of sound level readings, allowing for extended monitoring periods without the need for constant supervision. It typically includes a clear LCD display that shows real-time measurements and the data logging status, facilitating easy monitoring and analysis of sound levels.The datalogger is designed for convenience and ease of use, with a straightforward interface and intuitive controls. It may include additional features such as programmable alarms that alert users when sound level thresholds are exceeded, allowing for prompt action to be taken.The Extech SD200 is typically battery-powered and offers a compact and portable design, allowing for easy placement and use in various environments. It is suitable for a wide range of applications, including environmental noise monitoring, workplace noise assessments, and compliance with occupational safety regulations. It includes NIST Certification.