References marked on instru-
ment or in instruction manual:
Warning of a potential danger, comply with
instruction manual.
Reference. Please use utmost attention.
Caution! Dangerous voltage. Danger of
electrical shock.
Continuous double or reinforced insulation
complies with category II IEC 61140.
Symbol for the marking of electrical and electronic
equipment (WEEE Directive 2002/96/EC).
Suitable for live working.
VDE-approved, built- in compliance with
the valid directives.
Conformity symbol, the instrument com-
plies with the valid directives. It complies
with the EMV Directive (89/336/EEC). It
also complies with the Low Voltage Directi-
ve (73/23/EEC).
Measuring Circuit
Category CAT III:
In addition to category II, the measuring circuit
category III includes electric equipment subject
to special demands with reference to safety
and availability.
Examples: House installations, protective
equipment, outlets, switches...
Measuring Circuit Cate-
gory CAT IV:
Electric equipment, for which lightning voltage
must also be taken into consideration, belongs
to category IV. This includes, e.g. the connecti-
on to overhead circuits, underground cables to
water pumps...
The instruction manual contains informati-
on and references, necessary for safe
operation and maintenance of the instru-
ment. Prior to using the instrument read
the instruction manual and comply with it
in all sections.
Failure to read the instruction manual or to
comply with the warnings and references
contained herein can result in serious bo-
dily injury or instrument damage.
Fluke T100/120/140
Introduction
2
