Safety Symbols - Keysight U1190A Series 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.
DC (Direct current or voltage)
AC (Alternating current or voltage)
Both direct and alternating current
Earth (ground) terminal
Equipment protected throughout by
double insulation or reinforced
insulation
Caution, risk of electric shock
Keysight U1190A Series Service Guide
Caution, risk of danger (refer to this
manual for specific Warning or Caution
information)
Application around and removal from
HAZARDOUS LIVE conductors is
permitted
400 A U1191A/U1192A: Maximum allowable
MAX current measurement is 400 A
600 A U1193A/U1194A: Maximum allowable
MAX current measurement is 600 A
CAT III Category III 600 V overvoltage
600 V protection
CAT IV Category IV 300 V overvoltage
300 V protection
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