Feature:1. [Double Layer Shielding Technology] Adopting double layer shielding technology, the influence of external magnetic field is very small, ensuring high stability and high reliability of uninterrupted measurement all year round.2. [Automatic Plug In Structure] It has a unique automatic plug in structure, no need to disconnect the tested circuit, non contact measurement, safe and fast, especially suitable for the use of line fault patrol instrument.3. [Multi Purposes] Widely used in electric power, communications, meteorology, railways, oil fields, construction, measurement, scientific research and teaching units, industrial and mining enterprises and other fields.4. [Sturdy Material] The high voltage clamp current transformer is made of high quality ABS+permalloy material, which is durable to use, with high measurement accuracy and easy operation.5. [Multiple Detection] This leakage current transformer is suitable for high accuracy AC current, high order harmonic current, phase, electric energy, power, power factor and other detection.Specification:Item Type: Clamp Current TransformerMaterial: ABS+PermalloyModel: ETCR048HABattery: 1.5V 4 x AAA Battery (Battery Not Included)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.Range: 0.00A-800A ACResolution: 0.01mAAccuracy Level: 1Phase Error: 2Conversion Ratio: 4000:1Reference Load: 20Jaw Diameter: Approx. 48mm / 1.9inOutput Interface: Output Line: 2P White Terminal BlockWorking Frequency: 45Hz-100kHzInsulation Strength: AC 3700V/rms (between core and shell)Safety Level: CAT 600V, with insulating rods, it can test lines below 60KVOutput Mode: Induction current output (current signal or voltage signal can be output)Working Temperature: -15-50.Package List:1 x Clamp Current Transformer (Battery Not Included)Note:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.3. Please match or replace the corresponding connector according to the interface of the instrument used, otherwise it cannot be used. The cable used should meet the range to avoid damage.