Detecting of AC current, phase, power energy, power, and power factor, harmonic etc. Apply to oscilloscope, harmonic analyzer, Power fault analyzer and other industrial control devices 1. Range :0.00A~300A 2. Turn Ratio/Output Voltage : 3000:1 /0~3V(30Ω) 3. Resolution : 0.01A 4. Accuracy Class : 0.5 5. Safety class : CATⅢ600V 6. Clamp Size :25mm×30mm