Dc current specifications, 15. dc current specifications – Fluke 5725A User Manual

Page 36

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5725A

Instruction Manual

1-20

1-15. DC Current Specifications

Table 1-13. 5720A Series II DC Current Specifications: 99 % and 95 % Confidence Levels

5720A

99%

99 % Confidence Level

Range

Resolution

Absolute Uncertainty

±

5 °C from calibration temperature.

For fields strengths >0.4 V/m but

3 V/m,

add 1 % of range.

Relative Uncertainty

±

1 °C

24 Hours

90 Days

180 Days

1 Year

24 Hours

90 Days

nA

±

(ppm output + nA)

±

(ppm output + nA)

220

µ

A

2.2 mA

22 mA

0.1

1

10

0

40 + 7

0

30 + 8

0

30 + 50

0

42 + 7

0

35 + 8

0

35 + 50

0

45 + 7

0

37 + 8

0

37 + 50

0

50 + 7

0

40 + 8

0

40 + 50

0

24 + 7

0

24 + 8

0

24 + 50

0

26 + 7

0

26 + 8

0

26 + 50

µ

A

±

(ppm output +

µ

A)

±

(ppm output +

µ

A)

220 mA

2.2 A

[Note 1]

0.1

1

0

40 + 0.8

0

60 + 15

0

45 + 0.8

0

70 + 15

0

47 + 0.8

0

80 + 15

0

50 + 0.8

0

90 + 15

0

26 + 0.5

0

40 + 12

0

30 + 0.5

0

45 + 12

5725A Amplifier:

11 A

10

330 + 470

340 + 480

350 + 480

360 + 480

100 + 130

110 + 130

5720A

95%

95 % Confidence Level

Range

Resolution

Absolute Uncertainty

±

5 °C from calibration temperature

For fields strengths >0.4 V/m but

3 V/m,

add 1 % of range.

Relative Uncertainty

±

1 °C

24 Hours

90 Days

180 Days

1 Year

24 Hours

90 Days

nA

±

(ppm output + nA)

±

(ppm output + nA)

220

µ

A

2.2 mA

22 mA

0.1

1

10

0

32 + 6

0

25 + 7

0

25 + 40

0

35 + 6

0

30 + 7

0

30 + 40

0

37 + 6

0

33 + 7

0

33 + 40

0

40 + 6

0

35 + 7

0

35 + 40

0

20 + 6

0

20 + 7

0

20 + 40

0

22 + 6

0

22 + 7

0

22 + 40

µ

A

±

(ppm output +

µ

A)

±

(ppm output +

µ

A)

220 mA

2.2 A

[Note 1]

0.1

1

0

35 + 0.7

0

50 + 12

0

40 + 0.7

0

60 + 12

0

42 + 0.7

0

70 + 12

0

45 + 0.7

0

80 + 12

0

20 + 0.7

0

32 + 12

0

25 + 0.7

0

40 + 12

5725A Amplifier:

11 A

10

330 + 470

340 + 480

350 + 480

360 + 480

100 + 130

110 + 130

Note:

Maximum output from calibrator terminals is 2.2 A. Uncertainty specifications for 220 mA and 2.2 mA

ranges are increased by a factor of 1.3 when supplied through 5725A terminals.

Specifications are otherwise identical for all output locations.

1. Add to uncertainty specifications:

±

200 x

I

2

ppm for >100 mA on 220 mA range

±

10 x

I

2

ppm for >1 A on 2.2 A range

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