7451A/7461A/7461P Digital Multimeter Operation Manual
5.7.1 Sampling Interval (SI) and Integration Time (IT) Settings
5-17
Table 5-5 shows the setting range of the sampling interval.
Although the sampling interval (SI) can be set arbitrarily, use the minimum measurement time or more
shown in Table 5-6 as the sampling interval.
Although the sampling interval (SI) can be set to less than the minimum measurement time, the instrument
operates in the minimum measurement time.
Set the sampling interval according to the following procedure.
Enter the sampling interval in ‘SI’ in in .
Select the digit, decimal point, or unit prefix by using and , and change it by
using and .
Press to apply the setting.
If the value that is less than the resolution is entered, the setting value is rounded to
the resolution.
If the sampling interval is set to less than 1 ms, Auto-range and Auto-zero are automatically set to OFF.
Table 5-5 Setting Range of Sampling Interval (SI)
7461A/61P 7451A
Setting range Setting range
50 s to 3600 s 200 s to 3600 s
Table 5-6 Integration Time and Minimum Measurement Time
7461A/61P
Integration time (IT) Minimum measurement time
10 s IT < 200 s IT + IT + 70 s
200 s IT < 10 ms IT + 80 s
10 ms IT < 6 s IT + 170 s
6 s IT 10 s IT + 270 s
7451A
Integration time (IT) Minimum measurement time
100 s IT < 200 s IT + IT + 70 s
200 s IT < 10 ms IT + 80 s
10 ms IT < 6 s IT + 170 s
6 s IT 10 s IT + 270 s
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