User Manual
2
Thank you for purchasing a C.A. 6240 microhmmeter.
To obtain the best service from your instrument:
read this user manual carefully,
comply with the precautions for use.
WARNING, risk of DANGER! The operator must refer to this user’s manual whenever this danger symbol appears.
Equipment protected by double insulation.
Earth.
The 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
This device is compliant with safety standard IEC 61010-2-030 and the leads are compliant with IEC 61010-031, for voltages up
to 50 V with respect to earth in category III.
Failure to observe the safety instructions may result in electric shock, fire, explosion, and destruction of the instrument and of
the installations.
The operator and/or the responsible authority must carefully read and clearly understand the various precautions to be taken
in use. Sound knowledge and a keen awareness of electrical hazards are essential when using this instrument.
If you use this instrument other than as specified, the protection it provides may be compromised, thereby endangering you.
Do not use the instrument on conductors likely to be connected to line power or on earth conductors
that are not disconnected.
Do not use the instrument if it seems to be damaged, incomplete, or poorly closed.
Before each use, check the condition of the insulation on the leads, housing, and accessories. Any item of which the insulation
is deteriorated (even partially) must be set aside for repair or scrapping.
OFF
Check that the switch is set to OFF before plugging in the mains cord to recharge the battery
of the instrument.
Respect the value and type of the fuse to avoid damaging the instrument and cancelling the warranty.
Set the switch to OFF when the instrument is not in use.