Feature: 1. Multi Function Detection: Microampere open close high accuracy 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. Non Contact Measurement: Using CT technology, portable clamp design, no need to disconnect the line to be tested, non contact measurement, to ensure the high accuracy, high stability, high reliability of perennial uninterrupted measurement. Especially suitable for on line testing of the leakage current of thunder arresters and insulators. 3. Applicable Objects: Leakage current transformer, can be connected to phase detection analyzers, industrial control devices, data recorders, oscilloscopes, harmonic analyzers, power quality analyzers, digital multimeters, etc. 4. Widely Applicable: Widely used in the fields of electric power, communications, meteorology, railways, oil fields, construction, measurement, scientific research and teaching units, industrial and mining enterprises, etc. 5. Double Layer Shielding: Using permalloy material, unique double layer shielding technology, super anti interference ability, high test accuracy, no fear of complex interference environment, and can accurately test weak currents of 1 microampere. Specification: Item Type: Leakage Current Transformer Material: ABS+Permalloy Model: ETCR022KU Uses: Widely used in electric power, communications, meteorology, railways, oil fields, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields. Basic Parameters: Range: 0.000mA-10A AC Resolution: 1uA AC Accuracy Level: 0.5 Phase Error: ≤1° Variable Ratio: 1000:1 Other Parameters: Function: AC leakage current, high order harmonic current, phase, power factor, etc. detection. Leakage current on line test of arrester and insulator Detection Method: Open close structure, no need to disconnect the tested circuit, especially suitable for on line installation CT Diameter: Approx. 22mm / 0.9in Secondary Load: ≤15Ω Shielding: Double layer shielding, suitable for complex interference environment Output Mode: Current Induction Output Output Interface: 2 Core Shielded Wire 2m / 6.6ft Frequency: 10Hz-100KHz Safety Grade: CAT Ⅲ 600V Protection Level: IP65 Working Temperature: -15℃-60℃ Insulation Strength: AC 3700V/rms (between iron core and shell). Package List: 1 x Leakage Current Transformer Note: Please use the device to match the interface of the instrument or replace the corresponding connector, otherwise it cannot be used. The line body used should meet the range to avoid damage.