The Middleton Solar DN5 is an affordable precision pyrheliometer for measuring the solar direct radiation when aimed at the sun. It exceeds the international accepted specifications for a First Class pyrheliometer. The DN5 has a passive microvolt output, and the DN5-E version has an in-built amplifier to give a millivolt output for easy signal measurement.
EXCELLENT PERFORMANCE, USER FRIENDLY, DURABLE
- Window is optical sapphire for broad bandwidth and superior chemical & scratch resistance compared to glass or quartz.
- Flush-mount window to prevent obstruction by rain or debris.
- Marine-grade anodised aluminium for corrosion resistance.
- Compact size and light weight.
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