Photovoltaic measurement & monitoring applications

Photovoltaic (PV) power systems

Photovoltaic (PV) power systems convert sunlight directly into electricity which can be used to power equipment or to recharge a battery or for grid connected power generation.

Photovoltaic systems use cells to convert solar radiation into electricity. The cell consists of one or two layers of a semi-conducting material. When light shines on the cell it creates an electric field across the layers, causing electricity to flow. The greater the intensity of the light, the greater is the flow of electricity.

The most common semi conductor material used in photovoltaic cells is silicon, an element most commonly found in sand. There is no limitation to its availability as a raw material; silicon is the second most abundant material in the earth’s mass.

A photovoltaic system therefore does not need bright sunlight in order to operate. It can also generate electricity on cloudy days.

Photovoltaic technology can be used in several types of applications:

  • Grid-connected domestic systems
  • Grid-Connected power plants
  • Off-grid systems for rural electrification
  • Off-grid industrial applications
  • Hybrid Power Systems
  • Consumer goods & appliances

Photovoltaic (PV) Installations are rapidly increasing, and with them measuring and monitoring requirements before, during and after installation,are also increasing for applications such as:

on site measurement and monitoring of photovoltaic installations, optimum orientation of solar panels, and performance follow-up with our handheld solar energy meters SOL100 & SOL200 ie

* Measurement and spot check of solar power in W/m2

– running values
– average
– min./max. values
– hold function

* Calculation  in Wh/m2
* Results (Wh/m2) saved when instrument is switched off with the SOL100 or SOL200 when logging is also needed.


permanent installation solar energy transmitters (SLS100 & SLS101) with analogue signal output (0-10 V ή 4-20 mA ) dedicated to monitor the proper operation of photovoltaic plants allowing continuous monitoring of plants performance making it possible to:

  • Study sunshine (direction and aperture blockage)
  • Specify the type of generator to use (photovoltaic or thermal)
  • Specify the optimal direction for installation of pannels
  • Make an evaluation of the energy exposure which will be produced
  • Control the conformity of the installation
  • Control installation and planned efficiency
  • Control the proper functioning of the installation
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