User Guide

2 Clamp-on Ground Resistance Tester Model 6416
Thank you for purchasing an AEMC Clamp-on Ground Resistance Tester.
For best results from your instrument and for your safety, read the enclosed
operating instructions carefully and comply with the precautions for use. These
products must be only used by qualied and trained users.
WARNING, risk of DANGER! The operator must refer to these instructions whenever
this danger symbol appears.
CAUTION! Risk of electric shock. The voltage at the parts marked with this symbol
may be dangerous.
Application or withdrawal authorized on conductors carrying dangerous voltages.
Type A current sensor as per IEC 61010-2-032.
Equipment is protected by double insulation.
The product has been declared recyclable after analysis of its life cycle in accordance
with the ISO14040 standard.
Important instructions to read and to fully understand.
Useful information or tip to read.
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.
Denition of Measurement Categories (CAT)
CAT IV Measurement Category IV corresponds to measurements taken at the
source of low-voltage installations.
Example: power feeders, counters and protection devices.
CAT III Measurement Category III corresponds to measurements on building
installations.
Example: distribution panel, circuit-breakers, machines or xed
industrial devices.
CAT II Measurement Category II corresponds to measurements taken on
circuits directly connected to low-voltage installations.
Example: power supply to domestic electrical appliances and portable
tools.