manually selected range, auto range adjustment is more convenient but can lead to slower measurement. Auto range adjustment can turn the range up to 120% of the current range and down to less than 10% of the current range. Step 4: Press AC Filter and select Filter for measurement. The instrument uses three different AC filters, allowing you to optimize low frequency accuracy.The three filters are 3 Hz, 20 Hz, and 200 Hz, and in general, you should choose the highest frequency filter whose frequency is less than the frequency of the signal you are measuring, because a higher frequency filter results in a faster measurement.
For example, it’s better to use a 20 Hz filter when measuring a signal in the 20 to 200 Hz range. If measurement speed is not an issue, choosing a lower frequency filter will result in a quieter measurement, depending on the signal you are measuring. To accurately display statistics for AC measurements in the front panel mode, you must use the default manual trigger Delay ([Acquire] >Delay Man). 29