The Middleton CN1-R Net Pyrradiometer measures the net total radiation flux (solar, terrestrial, and atmospheric) downward and upward through a horizontal surface. It is suitable for solar energy studies in agriculture and meteorology.

 

Performance Specification

Response time	15s (1/e); 45s (95%)
Non-stability (per year)	+2%, -1.0%
Non-linearity	±1%
Cosine response (at 80° inclination)	-4%
upwards and downwards sensitivity variation	<3%
shortwave and longwave sensitivity variation	<5%
Temperature coefficient	-0.05%/°C

 

 MATCHED SHORTWAVE AND LONGWAVE SENSITIVITY

 Weatherproof and durable.

Matched upward and downward response.

 

Fully sealed construction for low-maintenance.

 

Protective polythene domes have minimal selective absorbency.