Range,Resolution and NPLC
These tables show the integration time (in PLC) for each range and resolution.
Model 34460A 34461A
PLC 100 10 1 0.2 0.02 100 10 1 0.2 0.02
ResFactor 3 ppm 10 ppm 30 ppm 100 ppm 300 ppm 0.3 ppm 1 ppm 3 ppm 10 ppm 100 ppm
Range Resolution
1 m 3E-9 1E-8 3E-8 1E-7 3E-7 3E-10 1E-9 3E-9 1E-8 1E-7
10 m 3E-8 1E-7 3E-7 1E-6 3E-6 3E-9 1E-8 3E-8 1E-7 1E-6
100 m 3E-7 1E-6 3E-6 1E-5 3E-5 3E-8 1E-7 3E-7 1E-6 1E-5
1 3E-6 1E-5 3E-5 1E-4 3E-4 3E-7 1E-6 3E-6 1E-5 1E-4
10 3E-5 1E-4 3E-4 1E-3 3E-3 3E-6 1E-5 3E-5 1E-4 1E-3
100 3E-4 1E-3 3E-3 1E-2 3E-2 3E-5 1E-4 3E-4 1E-3 1E-2
1 k 3E-3 1E-2 3E-2 1E-1 3E-1 3E-4 1E-3 3E-3 1E-2 1E-1
10 k 3E-2 1E-1 3E-1 1 3 3E-3 1E-2 3E-2 1E-1 1
100 k 3E-1 1 3 10 30 3E-2 1E-1 3E-1 1 10
1 M 3 10 30 100 300 3E-1 1 3 10 100
10 M 30 100 300 1,000 3,000 3 10 30 100 1,000
100 M 300 1,000 3,000 10,000 30,000 30 100 300 1,000 10,000
To determine the PLC for a specified range and resolution, locate the range in the left column. Measurement units do
not apply (i.e. for 1 V or 1 A, use the 1 range; for 100 V or 100 Ω, use the 100 range). From the range value, follow the
corresponding row of resolutions to the right until the specified resolution lies within two adjacent columns for your
DMM model.
The NPLC value at the top of the left-adjacent column is the NPLC "setting" for the given range and resolution.
For example: for the 34461A, a specified 10 VDC range and 10 µV resolution, locate range 10 in the table. Moving to
the right, the 10 µV resolution (1E-5) is found in the column under 10 NPLC.
Agilent Truevolt Series DMM Operating and Service Guide 271
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