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SunCheck is the name of Conergy Electronics GmbH's new measurement and documentation system, which was developed to facilitate accurate installation and quality documentation among PV system integrators.
The device consists of a measuring unit and a
separate irradiance sensor. With three terminals (DC+, DC-, and
mounting-ground), SunCheck reports the total I-V characteristics of a
system in combination with the actual irradiance and temperature. The
sensor, which is equipped with suction cups, is attached to the module
frame on the roof, and like the modules it collects incoming solar
radiation. The photodiodes have the same spectral sensitivity as
silicon solar cells. There is no wire to the measuring device, since
the connection with the reference sensor is completed via radio
transmission -- so electronic measurement can even be conducted in the
basement. The saved data, which include a measurement number, date,
and time, can be analyzed using a PC.
Conergy Electronics GmbH
Jochen Siemer
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