ETCR040K Open Close Leakage Current Sensor High Accuracy Current Transformer Measuring Tool for Outdoor Item Type: Leakage Current Transformer Material: ABS+permalloy Model: ETCR040K 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.1. Range and accuracy Range Resolution Accuracy class 0.00mA～60A AC 0.01mA 0.5 2. Other parameters Function Detect AC leakage Current, high order harmonic Current, phase, electric energy, power, power factor, etc. Detection method Open and close structure, no need to cut off the line under test, especially suitable for online installation CT size  Φ40mm Quantity range  0.00mA～60A AC Resolution  0.01mA AC Accuracy level  0.5 Transformation ratio 800:1 (can be customized according to needs) Phase error ≤2° Secondary load  ≤10Ω Screen Shielding  Double layer shielding, suitable for complex interference environment Output mode Inductive Current output Output interface  Wiring terminal (S1, S2 coil tap end, GND block end) Frequency 10Hz～100KHz Safety level CATⅢ600V Overall Dimension Approx. 95mm×98mm×31mm / 3.7x3.9x1.2in Quality  Approx. 160g / 5.6oz Working temperature  -15℃～50℃ Insulation strength AC 3700V/rms (between Fe-Ni core and shell)