Source; Timer - HP E1326B User Manual

:SOURce?

Example

:TIMer

Parameters
Comments
159 Command Reference
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READ?
enter statement
SAMPle:SOURce? returns "
The quoted string is sent to the output buffer.
Querying the Pacing Source
SAMP:SOUR TIM
SAMP:SOUR?
enter statement
period
SAMPle:TIMer < >
(stand-alone multimeter) or defines the period between FET multiplexer channels in
the scan list (scanning multimeter).
Parameter Name
< period >
sets the time to 76 µs.
• MIN
•
When using SAMP:TIM
period. However, you can insert a time interval before the first measurement
using the
TRIGger:DELay
•
To achieve specific sample periods, the aperture time must be set accordingly (see
the subsystem). The following table shows the minimum sample period
[SENSe:]
for each available aperture time setting. The aperture times and sample periods
shown assume a fixed range and autozero off. Reading rates are for the DC
voltage function with readings stored mainframe/command module memory.
Aperture Time
10 µs
100 µs
2.5 ms
16.7 ms
20 ms
267 ms
320 ms
•
The sample period must be longer than the specified aperture time.
!Place multimeter in wait-for-trigger state and
make measurements; send readings to output
buffer.
!Enter readings into computer.
IMM " or " TIM " to show the present pacing source.
!Sample source is SAMPle:TIMer command.
!Query multimeter to return pacing source
setting.
!Enter string into computer.
defines the period between readings in a burst
Parameter Type Range of Values
76 µs - 65.534 ms | MIN | MAX
numeric
sets the time to 65.534 ms.
MAX
, the first measurement occurs without the specified
command.
Minimum Sample Period
(SAMPle:TIMer)
76 µs
0.32 ms
2.8 ms
16.9 ms
20.3 ms
IMM
IMM
Default Units
seconds
Maximum Reading Rate
(Readings/second)
13,150
3,000
350
58
49
2
1.9
Chapter 5