Safety Symbols - Keysight U1231A User 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.
DC (Direct current or voltage)
AC (Alternating current or voltage)
Earth (ground) terminal
Keysight U1231A, U1232A, and U1233A User's Guide
Caution, risk of danger (refer to this manual
for specific Warning or Caution information)
Equipment protected throughout by double
insulation or reinforced insulation
CAT III
Category III 600 V overvoltage protection
600 V
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