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The code below results in a pulse very close to 4ms long. Note: // starts a comment [in C#].
If anyone knows a way to further shorten the pulse I would be interested in knowing.
SENS:CURR:DC:NPLC 0.01 // 0.01 = 4ms. Each additional 0.032 adds approx.1ms
Fetch // Fetch (not Read) the data here if it is needed
Note: Each set of data is 70 characters. The data with the output set to 1 amp will be the second set of 70 characters. The first and third sets will have currents very near zero.
The line disables all measurements:
The next line turns voltage and current measurement back on. Commenting out this line results in a 2.3ms pulse.
As long as the external resistance is low enough that the meter is not voltage limited the current will be very close to the set value so the following line could be used resulting in a pulse of 2.76ms
Using this command may only makes sense if four wire mode is enabled.
You may be able to get a little more speed (smaller pulse) by using a list sweep rather than a source-memory sweep as there should be less overhead in the code that runs the list sweep. Also, if you do not truly need to measure the source then turn off concurrent measurements. The 2410 only has a single ADC which it must use to measure both functions so there is some time associated with multiplexing the ADC between the measurement functions along with two ADC conversion times.
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