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Solar direct radiation meter / direct radiation meter
This series of watches is actually a solar radiation meter designed to automatically track the sun and measure direct solar radiation. It comes with a controller that supports both AC and DC power sources. In case of an unexpected AC power failure (such as 220V), it can seamlessly switch to a 12V battery backup, ensuring continuous operation. The device is used to measure the intensity of direct solar radiation within the spectral range of 0.3 μm to 3 μm. Additionally, it can calculate the number of sunshine hours, which is defined as the total time during which the direct solar irradiance is equal to or exceeds 120 W/m², measured in hours with one decimal place. These hours are also referred to as "real-time" data. Due to its versatility and accuracy, this meter is widely applicable in various fields such as solar energy research, meteorology, agriculture, construction materials testing, and environmental monitoring. Its reliable performance and user-friendly design make it an essential tool for professionals working in these industries.