ETCR008 Clamp Current Sensor Needle Nose Leakage Current Sensor Electric Current Transducer Item Type: Needle Nose Clamp Current Sensor Model: ETCR008 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 fieldsRange and Accuracy: Range Resolution Accuracy Class Phase Error Transformation Ratio 0.00mA~30A AC  0.01mA 0.5 ≤2°  2500:1 Other Parameter: CT SizeApprox. 8mm / 0.3in Range AC 0.00mA~30.0A Resolution 0.01mA Accuracy 0.5 Phase Error  ≤2° Reference Load 0~300mA≤300Ω; 0~3A≤30Ω; 0~30A≤3Ω Transformation Ratio 2500:1 (can be customized as required) Output Method Inductive current output Output Interface Terminal interface: BNC plug/4.0mm double banana plug/3.5mm audio plug/bare wire tap (optional), line length 1.5m Detection Method Clamp CT Working Frequency 45Hz~100KHz Security Level CATⅢ600V Working Environment -15°C~50°C Dielectric Strength AC 3700V/rms (between iron core and shell) Clamp Meter Quality Approx. 175g / 6.2oz External Size Approx. 137 x 40 x 19.5 mm / 5.4 x 1.6 x 0.8 in