91Instruments
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6.4 Measurement tolerance
The data supplied by the inverter may differ from measurements taken by certified measuring instruments
(e.g. output meters, multimeters and grid analysers); since the inverter is not a measuring instrument it
has wider tolerances for the measurements it makes.
The tolerances are generally:
• ±5% for real-time measurements with output power below 20%
• ±3% for real-time measurements with output power above 20%
• ±4% for all statistical data.
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