Gmw TG UNI 1AVDE-tester DIN VDE 0701/ 0702 61000 00200 Manual De Usuario

Ohmic resistance between the conductive parts separated by insulation.

Measurements are taken between the active parts and the body as well as
touchable conductive parts that are not connected to the protective
conductor.

Also see measuring principle circuits on Page 17.

The active parts of the device are protected against direct touching by the
basic insulation. Through connection of the touchable conductive housing
parts to the protective conductor, these are included in the protective action
in the case of indirect touching (fault protection) with the system. The
device has a protective conductor connection (earthed plug).

The active parts are separated by strengthened or double insulation (basic
insulation and additional insulation).  This ensures protection against direct
contact.
Protection against indirect contact is also given, since an insulation fault is
practically impossible. Such devices can nevertheless have touchable
metallic housing parts. Devices of protection class II have a mains plug
without an earthing contact.

Devices of protection class III are exclusively connected to protective extra-
low voltage electric circuits.
The protection against dangerous body currents is achieved by the low
voltage and the safe separation to other electric circuits.

15

Explanation of terminology

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