Specification: Item Type: Clamp Leakage Current Sensor Model: ETCR016 Material: ABS+permalloy Application: Widely used in electric power, communications, meteorology, railways, oil fields, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields Range and Accuracy: RangeResolutionAccuracy ClassPhase ErrorTransformation Ratio0.00mA~20A AC0.01mA0.52800:1Other Parameter: FunctionHigh accuracy AC leakage current, high order harmonic current, phase, electric energy, power, power factor, etc. detectionModelETCR016Measuring Range0.00mA~20A ACResolution0.01mAAccuracy Class0.5Phase Error2Transformation Ratio800:1Reference Load120Jaw Size Approx. 16mm / 0.6in Quality Approx. 138g / 4.9oz Output InterfaceBNC plug/4.0mm double banana plug/3.5mm audio plug/bare wire tap (optional), cord length 1.5mWorking Frequency45Hz~100kHzDielectric StrengthAC 3700V/rms (between core and shell)Security LevelCAT600VOutput MethodInductive current outputWorking Temperature and Humidity-15~50; below 80%rh Package List: 1 x Clamp Leakage Current Sensor