HCV50 0.2% accuracy high-precision voltage sensor is a voltage sensor that can measure DC, AC, pulse and variousirregular waveforms under the condition of complete isolation of the primary side and the secondary side. Itis mainly used in the field of measurement verification and measurement calibration that requires highaccuracy, and rail transit, power quality analysis, power analyzer, medical, aerospace, missile, ship andother fields that require high sensitivity, high stability and high reliability.