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Observator 100 years

OMC-422 Radiation Shield

Observator Instruments offers a new range of radiation shields, designed to house temperature and humidity probes and to protect them from the heating effects of solar radiation and direct exposure to rain and snow. The design of the shield has a white outer reflective surface, combined with an inner barrier of non-reflective, black louvres. This prevents sunlight and reflected radiation from reaching the sensor, whilst still allowing air to flow across the sensor. This design is based on the Stevenson Screen, which is now established as an industry standard and sold to national meteorological services worldwide.

Additional documents


  • Accuracy in trials comparable to Stevenson Screens
  • Less sensitive to rainfall
  • Improved protection against wind blown precipitation
  • Secure sensor installation with stable mounting mechanism
  • Durable UV stable plastic
  • No power required

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