... ±5)°C(2) Moisture(45~75)% RH(3) Wave forms of measured signal, sine wave β=0.02(4) Frequency of measured signal(50 ... (6) Amplitude range of measured signal when measuring phase, 100~220V, 0.5A~1.5A(7) External reference frequency electromagnetic interference ... ~40)°C(2) Moisture (20~80)% RH(3) Wave forms of measured signal, sine wave β=0.05(4) Frequency of measured signal,(50 ...