Measurement-computing USB-1208FS-Plus Manuale Utente Scaricare il pdf (Pagina 22)

USB-1208FS-Plus User's Guide Specifications

Accuracy

Table 2. Accuracy, differential mode

Range

Accuracy (LSB)

±20 V

5.1

±10 V

6.1

±5 V

8.1

±4 V

9.1

±2.5 V

12.1

±2 V

14.1

±1.25 V

20.1

±1 V

24.1

Table 3. Accuracy, single-ended mode

Range

Accuracy (LSB)

±10 V

4.0

Table 4. Accuracy components, differential mode – all values are (±)

Range

% of Reading

Gain Error at FS (mV)

Offset (mV)

Accuracy at FS (mV)

±20 V

0.2

9.766

49.766

±10 V

0.2

9.766

29.766

±5 V

0.2

9.766

19.766

±4 V

0.2

9.766

17.766

±2.5 V

0.2

9.766

14.766

±2 V

0.2

9.766

13.766

±1.25 V

0.2

2.5

9.766

12.266

±1 V

0.2

9.766

11.766

Table 5. Accuracy components, single-ended mode – all values are (±)

Range

% of Reading

Gain Error at FS (mV)

Offset (mV)

Accuracy at FS (mV)

±10 V

0.2

19.531

39.531

Noise performance

Table 6. Noise performance, differential mode

Range

Typical counts

LSB

rms

±20 V

0.30

±10 V

0.30

±5 V

0.45

±4 V

0.45

±2.5 V

0.61

±2 V

0.76

±1.25 V

1.06

±1 V

1.21

Table 7. Noise performance, single-ended mode

Range

Typical counts

LSB

rms

±10 V

0.30

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 28 29

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