PV Test Equipment
Learning & Resources
Measurement & Analysis

IV Curve

The current-voltage (IV) curve is the most comprehensive single measurement available for a PV string or module. It reveals cell health, connection quality, shading impacts, and degradation modes that no other single test can expose. This section covers equipment selection, field methodology, data interpretation, and standards compliance for IV curve measurement across commissioning and O&M applications.

Equipment Options
Emazys
Z300 HE
1500V PV tester with inrush current protection for HE and bifacial modules. Riso 0–99 MΩ, Voc, Isc, Rs, ground fault location. Bluetooth cloud-connected.
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