A Digital Multimeter serves as the perfect instrument for detecting voltage quickly and also comes in handy during installations and troubleshooting for combiner box and inverter. In this article, we will explore the use of digital multimeters in solar applications, highlight various Fluke. Based on real PV installation scenarios, the following five multimeter measurement techniques cover nearly all high-frequency operations at solar project sites and can significantly improve safety and diagnostic accuracy. Quick Look: When it comes to solar panel work, these 5 game-changing multimeters stand out. The. Engineered to last, photovoltaic systems are designed to be sustainable yet efficient.