Pyranometer Classification To Iso 9060:1990 (E) - Kipp & Zonen SMP series Instruction Manual

C. Pyranometer classification to ISO 9060:1990 (E)
Ref. No. Specification
1 Response time
(95% response)
2 Zero o -set
(a) Response to 200 W/m² net thermal radiation
(b) Response 5 K/hr change in ambient temperature
3a Non-stability
(change per year, percentage of full scale)
3b Non-linearity
(percentage deviation from the responsivity at 500 W/m² due to
any change of irradiance within the range 100 to 1000 W/m²)
3c Directional response for beam radiation
(The range of errors caused by assuming that the normal incidence
responsivity is valid for all directions when measuring, from any
direction, a beam radiation whose normal incidence irradiance
Commonly defined as up to 80 ° zenith angle
is 1000 W/m²)
3d Spectral selectivity
of spectral absorptance and spectral transmittance from the
corresponding mean within 0.35 µm and 1.5 µm)
3e Temperature response
in ambient temperature within an interval of 50 K)
3f Tilt response
(percentage deviation from the responsivity at
0° tilt, horizontal, due to change in tilt from 0° to 90° at
1000 W/m² irradiance)
(ventilated)
(percentage of deviation of the product
(percentage deviation due to change
SMP10/11 SMP3
Secondary Second
Standard Class
< 2 s < 12 s
< 7 W/m² < 15 W/m²
< 2 W/m² <4 W/m²
< 0.5 % < 1 %
< 0.2 % < 1 %
< 10 W/m² < 20 W/m²
< 3 % < 3%
< 1 % < 3 %
-20°C to +50°C (70 K interval)
< 0.2 % < 1 %
57
Pyranometer Category
Secondary First Second
Standard Class Class
< 15 s < 30 s < 60 s
± 7 W/m² ± 15 W/m² ± 30 W/m²
± 2 W/m² ± 4 W/m² ± 8 W/m²
± 0.8 % ± 1.5 % ± 3.0 %
± 0.5 % ± 1 % ± 3 %
± 10 W/m² ± 20 W/m² ± 30 W/m²
± 3 % ± 5 % ± 10 %
2 % 4 % 8 %
± 0.5 % ± 2 % ± 5 %