GW Instek GDM-398 - Manual (Page 8)

OVERVIEW
6
Safety Information
This Meter complies with the EN61010-1 and EN61010-2-030 standards: in
pollution degree 2, overvoltage category (CAT. III 1000V, CAT. IV 600V) and
double insulation.
CAT III: Distribution level, fixed installation, with smaller transient overvoltages
than CAT. IV.
CAT IV: Primary supply level, overhead lines, cable systems etc.
Use the Meter only as specified in this User Manual, otherwise the protection
provided by the Meter may be impaired.
In this manual, a Warning identifies conditions and actions that pose as hazards to
the user, or may damage the Meter or the equipment under test.
A Note identifies the information that a user should pay attention to.
International electrical symbols used on the Meter and in this User Manual are
explained on page 9.