Keysight U1401B User’s and Service Guide
3
Safety Symbols
The following symbols on the instrument and in the documentation indicate
precautions that 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 bistable push control
Frame or chassis terminal
In position of a bistable push control
Equipotentiality
CAT II
150 V
Category II 150 V overvoltage
protection
Equipment protected throughout by
double insulation or reinforced
insulation
Содержание U1401B
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Страница 61: ...Making Measurements 3 Keysight U1401B User s and Service Guide 61 Figure 3 1 DC voltage measurement ...
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Страница 107: ...Application Examples 5 Keysight U1401B User s and Service Guide 107 Figure 5 5 Zener diode test ...
Страница 128: ...5 Application Examples 128 Keysight U1401B User s and Service Guide Figure 5 17 Verifying a frequency transmitter ...