Introduction; International Electrical Symbols - AEMC 8220 User Manual

• Never use on circuits with a voltage higher than 600V and an overvoltage
category higher than CAT III.
• Use in indoor environments only.
• Only use accessories that are compliant with the safety standards
(IEC 664-1 Ed. 92) 600V CAT III or 300V CAT IV.
• Only use factory specified replacement parts.
• Always disconnect the power cord, measurement leads and sensors
before replacing the battery.

1.1 International Electrical Symbols

Signifies that the instrument is protected by double or reinforced insulation.
CAUTION - DANGER! Read the User Manual.
Risk of electric shock. The voltage at the parts marked with this symbol may
be dangerous.
Refers to a type A current sensor. This symbol signifies that application around
and removal from HAZARDOUS LIVE conductors is permitted.
Refers to a type B current sensor. Do not apply around or remove from HAZARD-
OUS LIVE conductors without additional protective means (de-energizing the
circuit or wearing protective clothing suitable for high voltage work).
Important instructions to read and understand completely.
Important information to acknowledge.
USB socket
The CE marking guarantees conformity with European directives and with
regulations covering EMC.
The trash can with a line through it means that in the European Union, the
product must undergo selective disposal for the recycling of electric and
electronic material, in compliance with Directive WEEE 2002/96/EC.
4
CHAPTER 1

INTRODUCTION

Warning
Power Quality Analyzer Model 8220