Keysight U1253B Guía Del Usuario Y Servicios página 48

Selecting display with the Hz button
The frequency measurement function is able to detect the presence of harmonic
currents in neutral conductors and determine whether these neutral currents are
the result of unbalanced phases or non-linear loads.
– Press
– Alternatively, pulse width (ms) or duty cycle (%) can be displayed on the
– Hold
Table 1-9 Selecting display with the Hz button
Rotary switch position (Function)
(For , press
(Default is DC voltage)
(Press twice to select AC+DC voltage)
(Default is DC voltage)
(Press to select AC voltage)
Keysight U1253B User's and Service Guide
to enter the Frequency measurement mode for current or voltage
measurements — voltage or current on the secondary display, and frequency
on the primary display.
primary display by pressing
of real-time voltage or current with frequency, duty cycle, or pulse width.
for more than 1 second to resume voltage or current reading on
the primary display.
to select AC voltage)
again. This allows simultaneous monitoring
Primary display
Frequency (Hz)
Pulse width (ms)
Duty cycle (%)
Frequency (Hz)
Pulse width (ms)
Duty cycle (%)
Frequency (Hz)
Pulse width (ms)
Duty cycle (%)
Frequency (Hz)
Pulse width (ms)
Duty cycle (%)
Frequency (Hz)
Pulse width (ms)
Duty cycle (%)
Getting Started
Secondary display
AC V
DC V
AC+DC V
DC mV
AC mV
1
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