Features： 1、The leakage current transformer is suitable for high accuracy AC leakage current, high order harmonic current, phase, electric energy, power, power factor and other detection. 2、Using new CT technology, portable clamp shaped design, no need to disconnect the line under test, non contact measurement, safe and fast. 3、The influence of the external magnetic field is extremely small, which ensures the high accuracy, high stability and high reliability of uninterrupted measurement all year round. 4、It can be connected to phase detection analyzers, industrial control devices, data loggers, oscilloscopes, harmonic analyzers, power quality analyzers, high accuracy digital multimeters, etc. 5、The clamp current sensor is made of ABS and permalloy, which is durable and widely used in power, communication, construction and other places. Specification： 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 fields Range and Accuracy: Range Resolution Accuracy Class Phase Error Transformation Ratio 0.00mA~30A AC  0.01mA 0.5 ≤2°  2500:1 Other Parameter: CT Size Approx. 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 Package List： 1 x Needle Nose Clamp Current Sensor