Getting Started Tutorial 1
Agilent U1251A/U1252A User’s and Service Guide 27
Selection of Display by Dual Button
Press to select different combinations of dual display.
Normal single display resumes after you press and hold
for more than 1 second. See table below.
(AC Current)
Frequency (Hz) AC µA
Pulse width (ms)
Duty cycle (%)
(DC current)
Frequency (Hz) DC µA
Pulse width (ms)
Duty cycle (%)
(AC + DC current)
[for U1252A]
Frequency (Hz) AC + DC µA
Pulse width (ms)
Duty cycle (%)
(AC current)
Frequency (Hz) AC mA or A
Pulse width (ms)
Duty cycle (%)
(DC current)
Frequency (Hz) DC mA or A
Pulse width (ms)
Duty cycle (%)
[for U1252A]
(AC + DC current)
Frequency (Hz) AC + DC mA
Pulse width (ms)
Duty cycle (%)
Hz (Frequency counter) - press
to select frequency divi-
sion by 1 [for U1252A]
Frequency (Hz) - 1 -
Pulse width (ms)
Duty cycle (%)
Hz (Frequency counter) - press
to select frequency divi-
sion by 100 [for U1252A]
Frequency (Hz) - 100 -