Chauvin Arnoux CA 8331 [P01160511] 1, 3-Phase, 10000A AC, 1000 V AC / 1200V DC Power Quality Analyser. Perform full diagnostics on even the most complicated electrical systems with the Chauvin Arnoux CA8331 Qualistar+ Power Analyser, a complete solution for measuring voltage, current and power. Offering parameter measurement from four voltage channels and three current channels simultaneously (current clamps required for current measurements), the Chauvin Arnoux CA8331 Qualistar+ clearly displays power quality into easy-to-read graphs and waveforms on its colour screen, helping you to easily pinpoint power quality loss to ensure energy efficiency. Engineered for handheld portability or to use hands-free with a built-in stand, the CA8331 is capable of measuring frequency, multiple power values, energy values, harmonics, transients and flicker. The CA8331 Qualistar+ Power Analyser is compatible with a range of Chauvin Arnoux clamps, with the manufacturer recommending their MN93, MN93A, MA193, PAC93, A193-450, A193-800, C193 and E3N current clamps to carry out current measurements.