Range, Resolution and Integration Time (shown in Aperture and NPLCs)

The following three tables show the integration time (in PLC and seconds) for each range and resolution.

To determine the PLC for a specified range and resolution:

  1. 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).
  2. 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.
  3. 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.

Model

34460A

34461A

PLC

100

10

1

0.2

0.02

100

10

1

0.2

0.02

Aperture (60 Hz Power)

1.67s

0.167s

16.7ms

3ms

0.3ms

1.67s

0.167s

16.7ms

3ms

0.3ms

Aperture (50 Hz Power)

2s

0.2s

20ms

2s

0.2s

20ms

ResFactor1

3ppm

10ppm

30ppm

100ppm

300ppm

0.3ppm

1ppm

3ppm

10ppm

100ppm

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 k

3 k

3

10

30

100

1 k

100 M

300

1 k

3 k

10 k

30 k

30

100

300

1 k

10 k

1ResFactor x Range = Resolution.

 

Model

34465A

PLC

100

10

1

0.2

0.06

0.02

0.0062

0.0022

0.0012

Aperture (60 Hz Power)

1.67s

0.167s

16.7ms

3ms

1ms

0.3ms

100 µs2

40 µs2

20 µs2

Aperture (50 Hz Power)

2s

0.2s

20ms

ResFactor1

0.03 ppm

0.1 ppm

0.3 ppm

0.7 ppm

1.5 ppm

3 ppm

6 ppm

15 ppm

30 ppm

Range

Resolution

1 m

30E-12

100E-12

300E-12

700E-12

1.5E-9

3E-9

6E-9

15E-9

30E-9

10 m

300E-12

1E-9

3E-9

7E-9

1.5E-8

3E-8

6E-8

15E-8

30E-8

100 m

3E-9

1E-8

3E-8

7E-8

1.5E-7

3E-7

6E-7

15E-7

30E-7

1

3E-8

1E-7

3E-7

7E-7

1.5E-6

3E-6

6E-6

15E-6

30E-6

10

3E-7

1E-6

3E-6

7E-6

1.5E-5

3E-5

6E-5

15E-5

30E-5

100

3E-6

1E-5

3E-5

7E-5

1.5E-4

3E-4

6E-4

15E-4

30E-4

1 k

3E-5

1E-4

3E-4

7E-4

1.5E-3

3E-3

6E-3

15E-3

30E-3

10 k

3E-4

1E-3

3E-3

7E-3

1.5E-2

3E-2

6E-2

15E-2

30E-2

100 k

3E-3

1E-2

3E-2

7E-2

1.5E-1

3E-1

6E-1

15E-1

30E-1

1 M

3E-2

1E-1

3E-1

7E-1

1.5

3

6

15

30

10 M

3E-1

1

3

7

15

30

60

150

300

100 M

3

10

30

70

150

300

600

1.5 k

3 k

1 G

30

100

300

700

1.5 k

3 k

6 k

15 k

30 k

Model

34470A

PLC

100

10

1

0.2

0.06

0.02

0.0062

0.0022

0.0012

Aperture (60 Hz Power)

1.67s

0.167s

16.7ms

3ms

1ms

0.3ms

100 µs2

40 µs2

20 µs2

Aperture (50 Hz Power)

2s

0.2s

20ms

ResFactor1

0.01 ppm

0.03 ppm

0.1 ppm

0.3 ppm

0.5 ppm

1 ppm

3 ppm

10 ppm

30 ppm

Range

Resolution

1 m

10E-12

30E-12

100E-12

300E-12

500E-12

1E-9

3E-9

10E-9

30E-9

10 m

100E-12

300E-12

1E-9

3E-9

5E-9

1E-8

3E-8

10E-8

30E-8

100 m

1E-9

3E-9

1E-8

3E-8

5E-8

1E-7

3E-7

10E-7

30E-7

1

1E-8

3E-8

1E-7

3E-7

5E-7

1E-6

3E-6

10E-6

30E-6

10

1E-7

3E-7

1E-6

3E-6

5E-6

1E-5

3E-5

10E-5

30E-5

100

1E-6

3E-6

1E-5

3E-5

5E-5

1E-4

3E-4

10E-4

30E-4

1 k

1E-5

3E-5

1E-4

3E-4

5E-4

1E-3

3E-3

10E-3

30E-3

10 k

1E-4

3E-4

1E-3

3E-3

5E-3

1E-2

3E-2

10E-2

30E-2

100 k

1E-3

3E-3

1E-2

3E-2

5E-2

1E-1

3E-1

10E-1

30E-1

1 M

1E-2

3E-2

1E-1

3E-1

5E-1

1

3

10

30

10 M

1E-1

3E-1

1

3

5

10

30

100

300

100 M

1

3

10

30

50

100

300

1 k

3 k

1 G

10

30

100

300

500

1 k

3 k

10 k

30 k

1ResFactor x Range = Resolution., 2 34465A/70A with DIG option only.