Flexible current measuring coil | Rogowski coil | 333 mV | Ø50 mm | 2 m cable | SRC-50
Code: ESSRC-50Rogowski-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-50 is especially valued in situations where traditional current transformers do not fit and where shutting down the installation is not possible.
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Technical Specifications
Type: Flexible current measuring coil (Rogowski coil)
Model: SRC-50
Output signal: 333 mV (high sensitivity)
Window (inner loop) diameter: 50 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 measurementsApplications
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 riskAdvantages
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 installDisadvantages
Suitable for AC current only
Requires a compatible measuring device with a 333 mV inputIllustrative 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.This product is marked with the CE label, which confirms that it complies with all applicable European Union directives and regulations. CE marking is not just a formality – it is an important indicator of quality and safety, ensuring that the product has been properly assessed, tested, and can be safely used throughout the EU market.
CE certification means that the product has been evaluated according to the main criteria:
Safety requirements – ensures that the product does not pose a risk to the user or the environment
Electromagnetic compatibility (EMC) – the device does not interfere with other equipment and is resistant to external disturbances
Environmental standards – complies with current ecological and material usage requirements
Operational reliability – the product is suitable for long-term use according to its intended purposeCE marking allows this product to:
be legally supplied and used in all European Union countries
ensure a high level of quality and safety
be used in residential, commercial, and industrial environmentsThe CE mark is a declaration of the manufacturer’s responsibility, confirming that the product complies with all applicable standards and has been assessed according to EU legislation.
What does this mean for you as a buyer?
Safe use in everyday activities
Reliable performance and reduced risk of failure
Compliance with EU standards and requirements
Suitability for professional solutions
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