Measuring soil thermal resistance by in situ tests.
Measuring soil electrical resistivity by the voltamperometric method.
Measuring ground resistance and testing earth systems (CEI 11-1).
Land surveys by GPS technique.
Measuring the performance of the PV power plants.
Testing PV power plants (MD 19/02/2007) and acceptance test.
Determination of “hot spots” on PV modules by infrared thermography.
Test voltage on medium-voltage wires (CEI 11-17).