Safety Symbols - Agilent Technologies U1211A User's Manual And Service Manual

Safety Symbols

The following symbols on the instrument and in the documentation indicate precautions
which must be taken to maintain safe operation of the instrument.
Direct current (DC)
Alternating current (AC)
Earth (ground) terminal
CAT III
Category III 1000 V overvoltage protection
1000 V
CAT IV
Category IV 600 V overvoltage protection
600 V
User's and Service Guide
Caution, risk of electric shock
Caution, risk of danger (refer to this manual
for specific Warning or Caution information)
Equipment protected throughout by
double insulation or reinforced
insulation
Application around and removal from
HAZARDOUS LIVE conductors is permitted
III