Feature●PURPOSE: This instrument is a precision instrument for measuring the intensity of sunlight.●High quality: large LCD display, 4-1/2 LCD display, maximum 19999. High resolution, large measuring range and short sampling time.●Two units to choose from: two units can be selected: W / m² and BTU. It supports the maximum value hold function and the data hold function.●Easy to use: pay attention to the automatic measurement of the probe directly at the light source and keep the probe clean to avoid impairment of the measurement results.●Wide application: widely used for measurements of solar radiation, solar energy research, meteorology, agriculture, physical and optical experiments.Description