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UV SENSOR 06490

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Listing Details

Model
06490
Telephone
021-72791867
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Description

The UV Sensor measures the sunburning portion of the UV spectrum. Its spectral response matches very closely the Erythema Action Spectrum (EAS), defined by McKinlay and Diffey (1987) and adopted by the Commission Internationale de l’Eclairage (C.I.E.) as the standard representation of the human skin’s sensitivity to UV radiation. The sensor measures global solar UV irradiance, the sum of the components of solar UV transmitted directly and those scattered in the atmosphere. Scattered UV is a major portion of global irradiance. The transducer is a semiconductor photodiode that responds only to radiation in the region of interest. The diffuser provides an excellent cosine response. With multiple hard-oxide coatings, the interference filter provides the Erythema Action spectral response. It is stable in the presence of heat and humidity. The outer shell shields the sensor from thermal radiation and provides a path for convection cooling of the body, minimizing heating of the sensor interior. It provides a cutoff ring for cosine response, a level indicator, and fins to aid in aligning the sensor with the sun’s rays. Spring-loaded mounting screws, in conjunction with the level indicator, enable rapid and accurate levelling of the sensor. Each sensor is calibrated against a Yankee Environmental Systems’ Ultraviolet Pyranometer, model UVB-1, in natural summer daylight. The UV Sensor is optional on Vantage Pro2 weather stations. It is standard on the Vantage Pro2 Plus. Please refer to the WeatherLink® for Vantage Pro® and Vantage Pro2™ specification sheet for optional data logging and charting capabilities available for this product.





Overview

Operating Temperature -40° to +150° F (-40° to +65° C)
Storage Temperature -50° to +158°F (-45° to +70°C)
Transducer Semiconductor photodiode
Spectral Response 280 to 360 nm (Erythema Action Spectrum)
Cosine Response ±4% of reading (0° to 65° incident angle); ±9% of reading (65° to 85° incident angle)
Supplied Cable Length 2' (0.6 m)
Cable Type 4-conductor, 26 AWG
Connector Modular RJ-11 I/O Specs
Green wire Output (0 to 2.5VDC); 150 mV per UV Index, 364 Mv per MED/hour
Black & Red wires Ground
Yellow wire +3V ±10%, 2.4 mA
Housing Material UV-resistant ABS plastic
Dimensions (length x width x height) 2” x 2.75” x 2.25” (51 mm x 70 mm x 57 mm)
Weight 0.5 lbs. (226 g)
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