Accurate Measurement: The LH-129 LH-130 LH-131 Infrared Light Irradiance Power Meter Tester Radiometer LED Luminous Intensity Sunlight Meter ensures precise measurement of light intensity with a wide response spectrum ran of 800-1700nm Extensive Ran: With a measurement ran of 1W/m2 to 9000W/m2, this meter covers a broad ran of light intensities, allowing you to accurately measure various light sources, including LEDs and sunlight Reliable Performance: Designed with a high sampling frequency of 3 times per second, the LH-129 LH-130 LH-131 Infrared Light Irradiance Power Meter Tester Radiometer LED Luminous Intensity Sunlight Meter provides real-time data for quick and reliable measurements User-Friendly Design: Featuring a compact size of 132x71x29mm and a lightweight of only 120g, this meter is portable and convenient to use Versatile Applications: Whether you are conducting scientific research, optimizing lighting setups, or ensuring workplace safety