| Specifications |
CMP 11 |
CMP 21 |
CMP 22 |
| ISO 9060:1990 Classification |
Secondary Standard |
Secondary Standard |
Secondary Standard |
| Response time (95 %) |
< 5 s |
< 5 s |
< 5 s |
Zero offsets
(a) thermal radiation (200 W/m²)
(b) temperature change (5 K/hr) |
< 7 W/m²
< 2 W/m² |
< 7 W/m²
< 2 W/m² |
< 3 W/m²
< 1 W/m² |
| Non-stability (change/year) |
< 0.5 % |
< 0.5 % |
< 0.5 % |
| Non-linearity (0 to 1000 W/m²) |
< 0.2 % |
< 0.2 % |
< 0.2 % |
| Directional error
(up to 80 ° with 1000 W/m² beam) |
< 10 W/m² |
< 10 W/m² |
< 5 W/m² |
| Temperature dependence
of sensitivity |
< 1 %
(-10 °C to +40 °C) |
< 1 %
(-20 °C to +50 °C) |
< 0.5 %
(-20 °C to +50 °C) |
| Tilt error (at 1000 W/m²) |
< 0.2 % |
< 0.2 % |
< 0.2 % |
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| Other specifications |
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| Sensitivity |
7 to 14 μV/W/m² |
7 to 14 μV/W/m² |
7 to 14 μV/W/m² |
| Impedance |
10 to 100 Ω |
10 to 100 Ω |
10 to 100 Ω |
| Level accuracy |
0.1 ° |
0.1 ° |
0.1 ° |
| Operating temperature |
-40 °C to +80 °C |
-40 °C to +80 °C |
-40 °C to +80 °C |
| Spectral range (50 % points) |
285 to 2800 nm |
285 to 2800 nm |
200 to 3600 nm |
Typical signal output for
atmospheric applications |
0 to 15 mV |
0 to 15 mV |
0 to 15 mV |
| Maximum irradiance |
4000 W/m² |
4000 W/m² |
4000 W/m² |
| Expected daily uncertainty |
< 2 % |
< 2 % |
< 2 % |
| Recommended applications |
Meteorological
networks,
PV panel
and thermal collector
testing,
materials testing |
Meteorological
networks,
reference
measurements in
extreme climates,
polar or arid |
Scientific research
requiring the highest
level of measurement
accuracy and
reliability |
