Keysight Technologies Digital multimeter, U1270-series, 30000 counts, CAT III 1000 V, CAT IV 600 V U1273A Manual Do Utilizador

Códigos do produto
U1273A
Página de 63
U1271A/U1272A Service Guide
III
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)
Off (supply)
Alternating current (AC)
On (supply)
Both direct and alternating current
Caution, risk of electric shock
Three-phase alternating current
Caution, risk of danger (refer to this manual 
for specific Warning or Caution information)
Earth (ground) terminal
Caution, hot surface
Protective conductor terminal
Out position of a bi-stable push control
Frame or chassis terminal
In position of a bi-stable push control
Equipotentiality
Category III 1000 V overvoltage protection
Equipment protected throughout by
double insulation or reinforced
insulation
Category IV 600 V overvoltage protection
CAT III
1000 V
CAT IV
600 V