For rooftop solar plant from 1MW and above, we recommend you to do the maintenance work by yourself in oder to get the best performance from you solar plant. UNISOLAR provides measurement and maintenance tools for solar power plant from the world’s leading brands such as Seaward, Solmetric, Fluke. With these tools, you can perform mostly every important test for your plant includes PV module testing with I-V curve tracing, solar modules and strings performance testing, PV surface and inverter temperature mesuring with thermal camera, earth ground resistance, ect.