PV Analyzer and I-V Curve Tracer The advanced PVA-1500 I-V curve tracer kit is designed to measure photovoltaic-system performance with high-accuracy test equipment. Fluke 393 FC True-RMS Clamp Meter The Fluke 393 FC CAT III 1500 V True-RMS solar clamp meter with iFlex is designed for solar PV technicians and maintenance professionals. Solar Irradiance Meter An all-in-one solar site-survey tool for panel installation, maintenance and system-performance testing.