Detailed Product Description SpecificationsAccuracy: Class 0.05 Voltage range: 30V~480VCurrent range: 5AFrequency range: 40Hz~70HzFrequency measurement resolution: 0.001Hz, error: ±0.01 HzPhase measurement: range: 0~360°, resolution: 0.1°, error: ±0.1°Input pulse: <10Hz (TTL level)Output pulse: FH1=100KHz FH2=10KHz FL=1Hz(+5V level)Subsidiary power: 220V±10%Un, 50HzWorking environment: ...