Kippzonen CM 4 Pyranometer Manuel d'utilisateur télécharger pdf (Page 28)

4 OPERATION

After completing the installation the pyranometer will be ready for

operation.

The irradiance value (E) can be simply computed by dividing the

output signal (U

emf

) of the pyranometer by its sensitivity (S

ensitivity

) as

shown in formula 1, or by multiplication of the voltage value with the

reciprocal of the sensitivity, often called the calibration factor. The

CM 4 pyranometer sensitivity is given in the supplied calibration

certificate.

For calculation of the solar irradiance the following formula must be

applied:

ensitivity

emf

(Formula 1)

E = Global radiation [W/m

]

emf

= Output of pyranometer [μV]

ensitivity

= Sensitivity of pyranometer [μV/W/m

]

4. OPERATION

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Kippzonen CM 4 Pyranometer Manuel d'utilisateur Page 28