AC 60-500V 10A 50A 100A Voltmeter Ammeter 0.28" Digital Current Gauge Volt Meter with Current Transformer Specification: Mounting Hold Size: 46 x 27mm Dimension: 0.56inch 48 x 29 x 22 mm Input Voltage: AC 60-500V Detection Voltage: AC 60-500V Detection Current: 10A: 0.00-9.99A / 50A: 0.0-50.0A / 100A: 0.0~100A Refresh Rate: 500mS/for Time Accuracy Class: 1% Working Current: 20mA Working Temperature: -10~65 Current Diverter: 75m LED color: Red+Blue Cable Length: 15-20cm Current Transformer Specification: One Input Voltage: 0 - 50A - 100A Senondary Output Voltage: 0 - 50mA Accuracy level: 0.2 Ratio: 1000/1 Load 50 Phase shift (): 20 Marking: Reading can be Calibrated Note: Red terminal connected to the test power White terminal connected to transformer (The power supply and the transformer wiring must not be reversed. If the white terminal is connected to the power supply, the meter will burn out) Packing List: 1 pc voltemter ammeter 1 pc cable 1set current transformer