The Extech SDL150 is a versatile and advanced datalogging light meter designed for accurate measurement and recording of light levels in various environments. This handheld instrument combines precision, functionality, and essential features to provide comprehensive light level monitoring capabilities for professionals in industries such as photography, film production, and environmental monitoring.The Extech SDL150 utilizes a built-in light sensor to capture and measure the intensity of visible light. It offers a wide measurement range, allowing users to assess light levels accurately from low to high intensities. This datalogger is capable of recording light level readings at set intervals, providing a continuous log of data over a specific time period.Equipped with data logging capabilities, the SDL150 can store a large number of light 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 light 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 light level thresholds are exceeded, allowing for prompt action to be taken.The Extech SDL150 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 photography and videography, plant growth monitoring, and environmental light level assessments.