Products catalog

  • Flexible current measuring coil | Rogowski coil | 333 mV | Ø100 mm | 2 m cable | SRC-100

    Code: ESSRC-100

    Rogowski-type current measuring coil is a high-sensitivity, flexible, and reliable solution for alternating current (AC) measurement where safe, accurate, and non-invasive current monitoring is required. Thanks to its slim profile, flexible loop, and wide measurement range, this coil is ideally suited for use in electrical panels, industrial equipment, power engineering, automation systems, and modern energy monitoring applications. The SRC-100 is especially valued in situations where traditional current transformers do not fit and where shutting down the installation is not possible. 

  • Technical Specifications

    Type: Flexible current measuring coil (Rogowski coil)
    Model: SRC-100
    Output signal: 333 mV (high sensitivity)
    Window (inner loop) diameter: 100 mm
    Cross-section: 12 mm (slim, easy to install)
    Cable length: 2 meters
    Accuracy: ±0.5 %
    Temperature drift: 300 ppm/°C
    Relative phase shift: < 0.3 mV/kA @ 50 Hz
    Linearity: ±0.2 % (from 1 % to 100 % of rated current)
    Position error: ±1 %
    Color marking: Black / Red wire (for correct polarity orientation)

    Functions

    Accurate AC current measurement without direct contact
    High sensitivity – 333 mV output signal
    Flexible loop – easy installation even in confined spaces
    Stable measurement results across a wide current range
    Minimal phase and position influence on measurements

    Applications

    Home / advanced user: Energy monitoring systems for homes or workshops, solar power plants, inverters or load analysis, safe current measurement without disconnecting cables
    Electrician: Fast installation in live systems, ideal for renovations and upgrades, suitable for measurements in panels with limited space
    Engineer / automation specialist: Integration with energy analyzers, PLCs, current measurement modules, suitable for industrial automation, BMS and EMS systems, reliable solution for high-current measurement without core saturation risk

    Advantages

    Flexible and very slim Rogowski coil
    High measurement accuracy and stability
    No need to disconnect cables or shut down equipment
    Wide range of applications – from residential to industrial environments
    Easy to transport and install

    Disadvantages

    Suitable for AC current only
    Requires a compatible measuring device with a 333 mV input 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.
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