PROTRONIX-1201(A)数字精密功率表SPECIFICATIONTRUE POWERRange19.99W, 199.9W, 1999WAccuracy±(0.3% + 3d)Freq. Response40Hz~80HzMax. Voltage299.9VMax. Current200mA for 19.99W2A for 199.9W20A for 1999WPower Factor (COSφ)Zero to Unity Leading or LaggingShunt Resistance0.01Ω (Current Sense ) AC VOLTAGEAutoRange0~299.9VAccuracy±(0.25% +2d)Freq. Response40Hz~1kHzProtection300VImpedanceAbove 200KΩ AC CURRENTRange.1999A, 1.999A, 19.99AAccuracy±(0.3% +2d)Freq. Response40Hz~200Hz for 1999A40Hz~1KHz for 1.999~19.99APeak over Indication2.5 times of RangeShunt Resistance0.01ΩCrest Factor Response50:1 for Minimum RMS Input,Linearly decreasing to 3:1 for Full ScaleRMS Input