Calibration; Lfrequency - HP E1326B User Manual

Subsystem Syntax

:LFRequency

Parameters
Comments
Example
:LFRequency?
123 Command Reference
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The

CALibration

command subsystem selects the multimeter's line reference
frequency ( CALibration:LFRequency
(
CALibration:ZERO:AUTO
CALibration
:LFRequency <frequency>
:LFRequency? [MIN | MAX]
:ZERO:AUTO <mode>
:ZERO:AUTO?
CALibration:LFRequency <
by the multimeter's analog-to-digital converter.
Parameter Name
< frequency >
• MIN
selects the minimum line reference frequency (50 Hz).
maximum line reference frequency (60 Hz).
•
The line reference frequency is set to 60 Hz at the factory. The setting is stored in
non-volatile mainframe memory and is changed only when
•
For a line frequency of 400 Hz, the 50 Hz reference frequency is used; however,
since 50 Hz is a subharmonic of 400 Hz, it provides normal mode rejection of
power line related noise.
•
*RST Condition: The selected line reference frequency remains unchanged
since it is stored in non-volatile mainframe memory.
Selecting the Line Frequency Reference
CAL:LFR 50
CALibration:LFRequency? [MIN | MAX]
the output buffer:
•
The present line reference frequency ("50" or "60") if
not specified.
•
The minimum line reference frequency ("50") if
•
The maximum line reference frequency ("60") if
) and enables/disables the autozero mode
).
frequency > selects the line reference frequency used
Parameter Type Range of Values
numeric 50 | 60 | MIN | MAX
!Reference frequency is 50 Hz.
returns one of the following numbers to
MIN
MAX
CALibration
Default Units
hertz
MAX selects the
is executed.
CAL:LFR
MINimum or MAXimum is
is specified.
is specified.
Chapter 5