• Davis 6490 UV Sensor

For the list of frequently asked questions for 6490 please visit:

https://faqs.davisweatherstation.com/product/6490

 

 

Davis 6490 UV Sensor including two-piece Housing Spring-loaded Mounting Screws

Introducing: Davis 6490 UV Sensor including two-piece Housing Spring-loaded Mounting Screws.

The 6490 UV Sensor measures the sun burning portion of the UV spectrum. Allows you to display UV index, dose rate, and daily and accumulated dose..

The 6490 UV Sensor Diffuser provides excellent cosine response.

It measures global solar UV irradiance, which includes both directly transmitted and scattered UV.

Transducer responds only to radiation in the region of interest and is stable in the presence of heat and humidity.

Cut off ring with a comb structure for cosine response of ± 4% FS.

With two-piece housing minimizes radiation heating, allows convection cooling of the sensor, and prevents the trapping of water or dust.


This package includes the 6490 UV Sensor. No console display, data logger and ISS.

  • 6490 UV Sensor including two-piece Housing Spring-loaded Mounting Screws

 

Highlights:

  • Measures the sun-burning portion of the UV spectrum. Allows you to display UV index, dose rate, and daily and accumulated dose.
  • Diffuser provides excellent cosine response.
  • Measures global solar UV irradiance, which includes both directly transmitted and scattered UV.
  • Transducer responds only to radiation in the region of interest and is stable in the presence of heat and humidity.
  • Cutoff ring with a comb structure for cosine response of ± 4% FS.
  • Two-piece housing minimizes radiation heating, allows convection cooling of the sensor, and prevents the trapping of water or dust.
  •  

      

     

    General
    Operating Temperature -40° to +150° F (-40° to +65° C)
    Storage Temperature -50° to +158°F (-45° to +70°C)
    Connector Modular RJ-11
    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)
    Cable Type 4-conductor, 26 AWG
    Transducer Semiconductor photodiode
    Spectral Response (10% points) 280 to 360 nm (Erythema Action Spectrum)
    Cosine Response ±4% FS (0° to 90° zenith angle)
    Supplied Cable Length 2' (0.6 m)
    I/O Specifications
    Green wire Output (0 to 2.5VDC); 150 mV per UV Index, 364 mV per MED/hour
    Yellow wire +3V ±10%, 2.4 mA
    Black & Red wires Ground

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    Davis 6490 UV Sensor

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