Chauvin Arnoux A193-800 [P01120531B] 100mA - 10000A AC Ampflex Flexible Current Sensor, Clamping Ø 140 mm. The Chauvin Arnoux A193-800 Power Quality Clamp offers a clamping diameter of 250mm, a length of 800mm and a measurement range of 100mA to 10kA AC, making it an ideal accessory for all Qualistar and PEL Power Quality Analysers. With an IEC 61010 rating of 1,000V CAT III / 600V CAT IV, the A193-800 is the perfect accessory for use with any Chauvin Arnoux Power Quality Analyser.