Environmental Conditions - Chauvin Arnoux D37N Mode D'emploi

Ambient temperature : 23°C ± 3K
Relative hulmidity : 0 to 85% HR
Frequency of sinusoidal current : 48 to 65Hz
Continuous magnetic field from outside : < 40A / m earth field
Impedance of measuring instrument : 1MΩ
Absence of DC current in the conductor.
Absence of external conductor carrying a current.
Centred conductor.

4. ENVIRONMENTAL CONDITIONS

Degree of protection of the envelope : IP 20 to CEI 529
The conditions relating to the ambient temperature end the air humidity are given by the graph
below :
12
3. REFERENCE RANGE