Kippzonen CM 4 Pyranometer Manual de usuario Pagina 28

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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
S
U
E
=
(Formula 1)
E = Global radiation [W/m
2
]
U
emf
= Output of pyranometer [μV]
S
ensitivity
= Sensitivity of pyranometer [μV/W/m
2
]
4. OPERATION
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