Chauvin Arnoux CA 757 [P01191757] 1000V AC/DC Voltage and Continuity Tester. Chauvin Arnoux C.A 757 is a compact, lightweight tester. Simple and easy to use, the C.A 757 automatically recognises AC and DC voltages, continuity, resistors, diodes and capacitors. It also detects live conductors without contact. The C.A 757 is delivered with a MiniFlex flexible current sensor allowing current measurements up to 300 A ac even in places where access is difficult. The C.A 757 multimeter is compact and lightweight it is equipped with an IP 54 casing to protect against dust and water projections. Featuring a large backlit display and removable test probes which are stored in an integral compartment. With its 600 V CAT III double insulation, the C.A 757 complies with the new IEC 61010-2-033 standard for multimeters.