Campbell-scientific Kipp and Zonen CMP-Series Pyranometers Manual de usuario descargar pdf (Pagina 26)

CMP/CMA series manual

Page 25

6.5. CMP / CMA series performance specifications

Specification Unit CMP 6/ CMA 6 CMP 11 / CMA 11 CMP 21 CMP 22 Definition

Spectral range µm 310 - 2800 310 - 2800 310 - 2800 200 - 3600 50 % response point

Sensitivity µV/W/m² 5 to 18 7 to 14 7 to 14 7 to 14 Signal output for 1 W/m² irradiance

Impedance

Ω

20 to 200 10 to 100 10 to 100 10 to 100 At instrument housing connector

< 18 < 5 < 5 < 5 95% of final value

< 6 < 1.7 < 1.7 < 1.7 63 % of final value

Non-linearity % < 1 < 0.2 < 0.2 < 0.2 From 0 to 1000 W/m² irradiance

Tilt error % < 1 < 0.2 < 0.2 < 0.2 Deviation when facing downwards

Zero offset A W/m² < 15 < 7 < 7 < 3 At 0 to - 200 W/m² of IR net radiation

Zero offset B W/m² < 4 < 2 < 2 < 1 At 5 K/h temperature change rate

Operating temperature

-40 to +80 -40 to +80 -40 to +80 -40 to +80 Storage temperature is the same

Field of view 180º 180º 180º 180º Hemispherical

Directional error

W/m

< 20 < 10 < 10 < 5 At 80° with 1000 W/m² irradiance

Maximum irradiance

W/m

2000 4000 4000 4000 Level above which damage may occur

Non-stability % < 1 < 0.5 < 0.5 < 0.5 Variation in sensitivity per year

Humidity % RH 0 - 100 0 - 100 0 - 100 0 - 100 Relative Humidity

Uncertainty in daily total % < 5 < 2 < 2 < 1 95 % confidence level

Temperature dependence of

sensitivity

Response time s

Variation in range - 10 °C to + 40 °C

from value at + 20 °C

*(- 20 °C to + 50 °C)

< 4 < 1 < 1* < 0.5*

1 2 ... 21 22 23 24 25 26 27 28 29 30 31 ... 35 36

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Campbell-scientific Kipp and Zonen CMP-Series Pyranometers Manual de usuario Pagina 26