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Item Codes/Data

Meter
Accuracy

Ring
Accuracy

Accuracy
Calculation

Calculation
Examples

Galooli Item Code

Voltage reading accuracy

Current reading accuracy

CT Accuracy

Overall voltage accuracy

*Overall current accuracy

*Overall kwh
accuracy

Input voltage

Voltage-

Voltage+

Input current

Current-

Current+

Kwh

Kwh-

Kwh+

400-ACMetCE42CT-502 (Meter)

0.50%

0.50%

Not relevant

400-AcRin24H30A1A-502 (Ring)

0.50%

0.50%

0.50%

0.50%

1.00%

1.50%

230

227.5

232.5

150

-148.5

+151.5

200

-197

+203

400-AcRin24H50A1A-502 (Ring)

0.50%

0.50%

0.50%

0.50%

1.00%

1.50%

230

227.5

232.5

50

-49.5

+50.5

200

-197

+203

400-AcRin24H150A1A-502 (Ring)

0.50%

0.50%

1.00%

0.50%

1.50%

2.00%

230

227.5

232.5

30

-29.55

+30.45

200

-196

+204

400-AcRin36H30A1A-502 (Ring)

0.50%

0.50%

0.50%

0.50%

1.00%

1.50%

230

227.5

232.5

150

-148.5

+151.5

200

-197

+203

400-AcRin36H50A1A-502 (Ring)

0.50%

0.50%

0.50%

0.50%

1.00%

1.50%

230

227.5

232.5

50

-49.5

+50.5

200

-197

+203

400-AcRin36H150A1A-502 (Ring)

0.50%

0.50%

1.00%

0.50%

1.50%

2.00%

230

227.5

232.5

30

-29.55

+30.45

200

-196

+204

**400-ACMetAJ42B-502 (Meter)

0.50%

0.50%

Not relevant

1.00%

230

225

235

200

-199

+201

200

-198

+202

***400-AcRin150A5A-502 (Ring)

0.50%

0.50%

1.00%

0.50%

1.50%

2.00%

230

228.8

231.2

150

-147.75

+152.25

200

-196

+204

***400-AcRin50A5A-502 (Ring)

0.50%

0.50%

3.00%

0.50%

3.50%

4.00%

230

228.8

231.2

50

-44.75

+55.25

200

-192

+208


*Overall current accuracy = Meter current reading accuracy + CT Accuracy

*Overall kwh accuracy = Overall voltage accuracy + Overall current accuracy

**The meter can measure current and voltage without a CT ring

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