Chauvin Arnoux MN93A [P01120434B] 0.005A - 100A AC Power Quality Analyser and Logger Clamp. Chauvin Arnoux P01120425B Power Quality Analyser Clamp, Accessory Type MN93 Clamp, For Use With CA8332B, CA8334B, CA8335. Compatible with all PEL and Qualistar Power Quality Analysers, including the CA8331, CA8333 & CA8336, the Chauvin Arnoux MN93A offers measurement range of 0.005A to 100A AC and a clamping diameter of 20mm. With an IEC 61010 rating of 600V CAT III / 300V CAT IV, the MN93A is an ideal accessory for use with any Chauvin Arnoux Power Quality Analyser.