● Rated Accuracy : ±3% phase angle ● Scale : Power Factor:Lead 0 – 0.3 – 1.0 – 0.3 – 0 Lag Power Angle: Lead 90° – 0° – 90° Lag ● Effective Power Factor Measuring Range : Lead 0.5 – 1.0 – 0.5 Lag ● Scale Length : Approx. 135mm(5-3/8”) ● Frequency Influence : Within ±1.5° phase angle at 45 to 65Hz