Safety Symbols - Agilent Technologies u1273a User Manual

Safety Symbols

Direct current (DC)
Alternating current (AC)
Both direct and alternating current
Earth (ground) terminal
Equipment protected throughout by
double insulation or reinforced
insulation
U1273A/U1273AX User's Guide
The following symbols on the instrument and in the documentation
indicate precautions which must be taken to maintain safe operation of
the instrument.
CAT III
1000 V
CAT IV
600 V
Caution, risk of electric shock
Caution, risk of danger (refer to this manual
for specific Warning or Caution information)
Category III 1000 V overvoltage protection
Category IV 600 V overvoltage protection
III