About This

• ★★★★★【Convenience】 - There are two units that can be selected: W/m² and Btu.It supports maximum value hold function and data hold function.Measure directly without adjustment, steadily measure for a long period.
• ★★★★★【Widely used】 - Widely used for solar radiation measurement, solar energy research, meteorology, , physical and optical experiments.It can also be used to measure the light of glass to verify the performance of the glass, for example, car window performance test.
• ★★★★★【Specification】 - ❶Resolution: 0.1W/m², 0.1Btu/(ft²-h)❷Measurement Range: 0.1-399.9W/m², 1-3999W/m², 0.1-399.9Btu/(ft²-h), 1-3999Btu/(ft²-h)❸Sampling Time: 0.25 seconds/time❹Battery: 9V battery (NOT included)❺Display: 3-3/4 LCD display, maximum 3999
• ★★★★★【Sunlight meter】This meter is a instrument measuring the of sunlight.With this portable solar photometer, you can control your own destiny - use it to measure the risk of sunburn or exposure to high doses of carcinogenic radiation every day, and adjust outdoor activities accordingly.