Chauvin Arnoux MN77 Manual De Instrucciones página 10

WARNING, risk o DANGER! The operator agrees to re er to these
instructions whenever this danger symbol appears.
Equipment protected by double insulation.
Application or withdrawal authorized on conductors containing danger‑
ous voltages. Type A current sensor as per IEC 61010‑2‑032.
Voltage limiter.
The arrow indicates the current phase.
The CE marking guarantees con ormity with European directives.
The rubbish bin with a line through it means that in the European
Union, the product must undergo selective disposal or the recycling
o electric and electronic material, in compliance with Directive WEEE
2002/96/EC.
Defnition o measurement categories:
Measurement category IV corresponds to measurements taken at the source o

low‑voltage installations.
Example: power eeders, counters and protection devices.
Measurement category III corresponds to measurements on building installa‑

tions.
Example: distribution panel, circuit‑breakers, machines or fxed industrial de‑
vices.
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.
Measurement category I corresponds to measurements taken on circuits not

directly connected to the network.
Example: protected electronic circuits.
Thank you or purchasing an AC current clamp C177, C177A or MN77. This clamp
should only be used with the C.A 6116 installation tester.
To obtain the best service rom your unit:
read these operating instructions care ully,

compl with the precautions or use.

ENGLISH
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