Accuracy results

AN3306

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Doc ID 18182 Rev 1

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Accuracy results

Three different sensors were tested in the configuration shown in Figure 8. The nominal

Figure 8.

Test configuration

The results of the accuracy tests are shown in Table 5 below.

In Figure 9, the results of accuracy testing at the different currents are shown graphically for

the three sensors, together with the accuracy limits for Class 1 and 0.5 meters (in

accordance with international standards IEC 62053-21 and IEC 62053-22).

Table 5.

Accuracy results vs. current

I [A]

S1 error %

S2 error %

S3 error %

10

100%

0.0000%

0.000%

0.0000%

1

10%

-0.0640%

0.046%

-0.0100%

0.5

5%

-0.0040%

-0.034%

0.1568%

0.1

1%

-0.8436%

-0.951%

0.2211%