Chauvin Arnoux C.A 742 Notice De Fonctionnement page 30

3.6. COMPLIANCE WITH INTERNATIONAL
STANDARDS
Two-pole voltage detector per IEC 61243-3 ed. 3 of 2015.
The device is in conformity with IEC-61010-1 600V, CAT IV.
3.7. ELECTROMAGNETIC COMPATIBILITY
Emissions and immunity in an industrial setting compliant
with IEC 61326-1.
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