ULTRAVIOLET RADIATION SENSOR

RY-ZW

MANUAL

INTRODUCTION & PRINCIPLE

UV radiometer is a precise instrument used to measure the ultraviolet radiation of the sun (UVAB wavelength range) in the atmosphere. The instrument can be used with data collector to provide information of public concern: UV index, UV erythema measurement, UV effect on human body and UV special biological and chemical effects. Therefore, it has been paid more attention in meteorology, industry, architecture and medicine. It is widely used in the study of erythema dose caused by exposure, comprehensive environmental ecological effect, climate change and ultraviolet monitoring and prediction.

The ultraviolet radiation sensor adopts a photoelectric detector to receive the electric signal of the ultraviolet light wave. It passes through a filter with a wavelength range of 280-400nm, and its output voltage is 0-50mv. The special shape scatterer can make the sensor obtain very good cosine response, and prevent the filter from direct sunlight, reduce drift and thermal modulation. Install a f37mm quartz glass cover on the top of the body to meet the spectral transmission, reduce the impact of the external environment on the detector, and play a protective role. The sensor has good sealing and weather resistance, allowing continuous outdoor operation, and the output voltage is directly proportional to the UV radiation intensity.

TECHNICAL SPECIFICATION

●Spectral range：UVAB 280~400nm；UVA 280~315nm；UVB 315~400nm

●Cosine response：≤4%（When the solar altitude angle is 30°）

●Working temperature：-50℃~+50℃

●Measuring range：0~70 w*m^-2

●Respond time：≤1s（99%）

●Internal resistance：≤1000Ω

●Temperature error： ±2%

●Annual stability： ±2%

●Nonlinear： ±2%

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