The FLIR VT8-Series are high-quality voltage, continuity, and current testers. They feature an optimized, open-jaw design that can fit into tight spaces and reliably measure large-diameter cables
Seaward PV200 Solar I-V Curve Tracing Photovoltaic Installation Test Kit with PV200 Installation Tester, 200R Irradiance Meter, DC Clamp and SolarCert Solftware.