Common use of Accuracy requirements Clause in Contracts

Accuracy requirements. The overall accuracy of the electricity measurements in respect of each Meter must be within the following limits of error at all times: Condition Limits of error at stated system power factor Current expressed as a percentage of Rated Measuring Current Power Factor Limits of Error 120% to 10% inclusive Below 10% to 5% Below 5% to 1% 120% to 10% inclusive 1 1 1 0.5 lag and 0.8 lead ± ± ± ± 1.0% 0.5% 0.7% 1.5% Condition Limits of error at stated system power factor Current expressed as a percentage of Rated Measuring Current Power Factor Limits of Error 120% to 10% inclusive Below 10% to 5% Below 5% to 1% 120% to 10% inclusive 1 1 1 0.5 lag and 0.8 lead ± ± ± ± 2.0% 1.0% 1.5% 2.5% Condition Limits of error at stated system power factor Current expressed as a percentage of Rated Measuring Current Power Factor Limits of Error 120% to 10% inclusive Below 10% to 5% 120% to 10% inclusive 1 1 0.5 lag and 0.8 lead ± ± ± 2.5% 1.5% 2.0%

Accuracy requirements. The overall accuracy of the electricity measurements in respect of each Meter must be within the following limits of error at all times: Condition Limits of error at stated system power factor Current expressed as a percentage of Rated Measuring Current Power Factor Limits of Error 120% to 10% inclusive 1 ± 0.5% Below 10% to 5% 1 ± 0.7% Below 5% to 1% 1 ± 1.5% 120% to 10% inclusive 1 1 1 0.5 lag and 0.8 lead ± ± ± ± 1.0% 0.5% 0.7% 1.5% Condition Limits of error at stated system power factor Current expressed as a percentage of Rated Measuring Current Power Factor Limits of Error 120% to 10% inclusive 1 ± 1.0% Below 10% to 5% 1 ± 1.5% Below 5% to 1% 1 ± 2.5% 120% to 10% inclusive 1 1 1 0.5 lag and 0.8 lead ± ± ± ± 2.0% 1.0% 1.5% 2.5% Condition Limits of error at stated system power factor Current expressed as a percentage of Rated Measuring Current Power Factor Limits of Error 120% to 10% inclusive 1 ± 1.5% Below 10% to 5% 1 ± 2.0% 120% to 10% inclusive 1 1 0.5 lag and 0.8 lead ± ± ± 2.5% 1.5% 2.0%