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Check your electrical installations with CHAUVIN ARNOUX measuring instruments.

CA 6528 Insulation Tester, offering measurements compliant with all the major standards: IEC 60364, NF C 15-100, VDE 100, etc. 
CA 6133 Electrical Installation Tester, complete and compliant with the NF C 15-100, FDC 16-600 and EN 61557 standards, etc.