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Middleton Solar - Model SD4 -Sunshine Sensor
FromMiddleton Solar
The SD4 Sunshine Sensor indicates the time the disk of the sun is not obscured by clouds. Four identical omni-directional sensors under a hemispherical shading canopy. Embedded microcontroller executes a sophisticated contrast-evaluation algorithm to accurately discriminate direct sunshine from diffuse sunlight.
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- Excellent performance even in difficult bright-cloud conditions.
- Fully sealed, with a glass dome to protect the sensors.
- Simple high/low output is used to indicate sunshine/no sunshine.
- Operates at any latitude & longitude, and does not require alignment.
- Marine-grade aluminium, hard anodised, for corrosion resistance.
- Compact size and light weight.
