... Wave forms of measured signal, sine wave,β=0.05(d)Frequency of measured signal,(50±0.5)Hz(e) Position of Measured current ... range of measured signal when measuring phase, Phase U1-U2, 30V~500V Phase I1-I2, 10mA~10.00A ... U1-I2 or I1-U2, 10V~500V,10mA~10.00A(g)External reference frequency electromagnetic interference, should ... , 280gMeasuring pliers, 2×200g VI . Storage ConditionsTemperature, -10°C~50°C