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How accurate are the AC Meter and the AC ring?
Item Codes/Data | Meter | Ring | Accuracy | Calculation | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Galooli Item Code | Voltage reading | Current reading | CT | Overall voltage | *Overall current accuracy | *Overall kwh | 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 | 227.5232.5 | 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 | 227.5232.5 | 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% | 230227.5 | 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 | 228.8231.2 | 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
***These rings are not available for sale
Calculation Examples
In order to see the calculation method and ensure that the data for the units are correct for you, please
refer to the attached Excel file. You should download the Excel file to your computer.
| View file | ||
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What is the best way to install the AC meters and Current Transformer Rings on site?
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