High accuracy electronic standard meter FeaturesHigh accuracy up to 0.05% Testing type: 3 phase 4 wire, 3 phase 3 wire Testing mode: active power, reactive power, cross connection reactive power Measuring voltage, current, phase, frequency, power etc of each phase Measuring phase angle of phase to phase, sum of active power, sum of reactive power etcSpecification SZ03A-k6Range30V – 480VError±0.05 ...