Measuring Protective Earth - KaVo ORTHOPANTOMOGRAPH OP 3D Service Manual

8 Part replacement instructions
NOTICE! Measurements shall be performed using a measuring device able to
deliver a current of at least 200 mA into 500 mΩ. The open circuit voltage shall
not exceed 24 V.
NOTICE! The measurement equipment shall guarantee that during the
measurement protection against electric shock is effective by suitable means of
IEC 61010-1. Refer to IEC 62353 for more information.

8.5.5 Measuring protective earth

Verifying the condition of the power cord
1. Disconnect the mains power supply cord from the wall outlet and the device
(detachable power cord) or from the device (permanent power cord).
2. Check the mains power supply cord:
• Are there visbile damages to the cord?
• Replace the cord if it is damaged.
154 ORTHOPANTOMOGRAPH
™
OP 3D