PVM-1530

The Sonel PVM-1530 is a multifunction photovoltaic meter designed for comprehensive commissioning and O&M testing of 1500V PV installations. It covers the full scope of IEC 62446-1 Category 1 measurements — Voc, Isc, insulation resistance, continuity — alongside Category 2 IV and PV curve tracing with automatic STC correction per IEC 60891. The instrument handles bifacial and high-efficiency module strings, making it relevant for modern TOPCon, HJT, and bifacial arrays alongside conventional PERC installations.

STC conversion is performed automatically in conjunction with the Sonel IRM-1 environmental sensor, which measures solar irradiance and module and ambient temperature. The reSYNC function handles a common field problem cleanly: if the PVM-1530 moves out of range of the IRM-1 during testing, the IRM-1 logs environmental data independently in its own memory and synchronises automatically when the connection is restored — ensuring no measurement is left without environmental context even across large arrays.

The instrument features a large colour touchscreen with strong backlight for visibility in full sunlight, a rugged sealed housing, and built-in Bluetooth and Wi-Fi for data transfer. Measurement data exports to standard formats via Sonel Reader software. Optional Sonel Reports Plus generates formal IEC 62446-1 commissioning documentation. The LoRa-equipped radio interface option extends IRM-1 range significantly beyond Bluetooth, making the system practical across large utility-scale string layouts.