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2 Contents
Chapter 2
HP E1312A/E1412A Multimeter Application Information (continued)
Frequency and Period Measurement Errors................................................................36
Measurement Configuration ....................................................................................... 37
AC Signal Filter .................................................................................................. 37
DC Input Resistance ............................................................................................ 37
Resolution ............................................................................................................ 38
Integration Time ..................................................................................................39
Autozero .............................................................................................................. 40
Ranging ............................................................................................................... 40
Math Operations (CALCulate Subsystem).................................................................41
AVERage Function ............................................................................................. 41
NULL (Relative) Function .................................................................................. 41
dB Measurements ................................................................................................ 42
dBm Measurements .............................................................................................43
LIMit Function ....................................................................................................44
Triggering the Multimeter .......................................................................................... 45
The Trigger Source ..............................................................................................46
External Triggering .............................................................................................47
Internal Triggering .............................................................................................. 47
Bus Triggering .....................................................................................................48
The Wait-for-Trigger State .................................................................................. 48
The Trigger Count ............................................................................................... 48
Checking the Trigger Count ................................................................................ 49
Inserting a Trigger Delay ....................................................................................49
Default Delays ..................................................................................................... 50
Querying the Delay Time ....................................................................................51
The Sample Count ............................................................................................... 51
Checking the Sample Count ................................................................................ 51
HP E1312A and HP E1412A Multimeter Application Examples ..............................52
HP VTL Software (VISA) ...................................................................................52
Example Programs ..............................................................................................52
Making Multimeter Measurements ..................................................................... 53
Synchronizing the Multimeter With a Switch Module ....................................... 57
Multimeter Status System Examples ...................................................................60
HP VEE Programming Example ......................................................................... 64
Chapter 3
Multimeter Command Reference ...............................................................................67
Using This Chapter .....................................................................................................67
Command Types......................................................................................................... 67
Common Command Format ................................................................................ 67
SCPI Command Format ...................................................................................... 67
Linking Commands ............................................................................................. 69
Multimeter Range and Resolution Tables .................................................................. 70
SCPI Command Reference ......................................................................................... 71
ABORt ........................................................................................................................72