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WARNING, risk of DANGER! The operator must refer to these instructions whenever this
danger symbol appears.
Equipment protected by double insulation.
Earth.
CE marking indicates conformity with European directives, in particular LVD and EMC.
The rubbish bin with a line through it indicates that, in the European Union, the product must
undergo selective disposal in compliance with Directive WEEE 2002/96/EC. This equipment
must not be treated as household waste.
Definition of measurement categories
Measurement category IV corresponds to measurements taken at the source of low-voltage installations.
Example: power feeders, counters and protection devices.
Measurement category III corresponds to measurements on building installations.
Example: distribution panel, circuit-breakers, machines or fixed industrial devices.
Measurement category II corresponds to measurements taken on circuits directly connected to low-
voltage installations.
Example: power supply to electro-domestic devices and portable tools.
PRECAUTIONS FOR USE
Only use the accessories supplied with the C.A 6474.
Do not use the C.A 6474 or its accessories if they appear damaged.
Never exceed the protection limit values indicated in the specication or those indicated for the
C.A 6472.
The connection of current sensor leads is the last operation to be carried out before starting
measurement. Disconnection of these leads from the instrument is the rst operation to be carried
out once measurement is nished.
In general, boots, gloves and insulated mats should be used.
Thank you for purchasing this C.A. 6474 adapter for pylon ground resistance measurement.
To obtain the best service from your unit:
read these operating instructions carefully,
comply with the precautions for use, that is to say, temperature, humidity, altitude, degree of pollution
and site of use.