The Middleton SK08 is an affordable pyranometer for the measurement of global solar irradiance on a plane surface. It meets the international accepted specifications for a good quality pyranometer. The SK08 incorporates a passive thermoelectric sensor. The SK08-E version has an inbuilt signal amplifier.

 

Performance Specification	ISO9060 First Class	SK08/E (typical)
Response time (to 95%)	< 30s	11s
Zero off-set: a) 200 W.m-2	+ 15 W.m-2	< + 5 W.m-2
b) 5K.h-1	± 4 W.m-2	< ± 4 W.m-2
Non-stability (per year)	± 1.5%	< ± 1%
Non-linearity ( 100-1000W.m-2)	± 1%	< ± 1%
Directional response (w.r.t. 1000 W.m-2)	± 20 W.m-2	< ±20 W.m-2
Spectral selectivity (0.35 to 1.5µm)	± 5%	< ±3%
Temperature response (for 50K interval)	4%	< 2%
Tilt response (0-90°)	± 2%	< ± 1%

 

FAST RESPONSE and STRONG OUTPUT SIGNAL

Aluminium construction, hard anodized for corrosion resistance.

 

Excellent directional response, and minimal thermal errors.

 

Fully sealed for low-maintenance.