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Home > Flexible Rogowski Coil Current Transformer > Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
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Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer
Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer

Nrc-60 Nrc-80 Nrc-100 Nrc-150 Hot Selling Rogowski Coil Current Sensor Flexible Current Transformer

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Product Description

Basic Specifications
Model NO.
NRC-200
Material
Metal
Accuracy Grade
0.5G
IP Rating
IP68
Certification
CE
Window Size
100, 150, 200mm
Rated Current
1000A, 3000A, 6000A
Weight
Approx 140-170g
Current Range(RMS)
0.5-100ka AC
Linearity
±0.2% of Reading
Bandwidth
1Hz to 100kHz (-3db)
Operating Temp
-30℃ to 80℃
Rogowski Coil Current Sensor
Flexible Current Transformer

NRC Ø8 Flexible Rogowski Coil Current Sensor

The NRC is a flexible current transducer based on the Rogowski principle, particularly suitable for measurement in combination with portable devices. These coils are available in different sizes and can be used in applications where traditional transducers do not fit due to size or weight constraints.

Key Features
  • High linearity from 1A to 100kA
  • Wide dynamic range for various applications
  • Easy access in limited space or awkward shapes
  • No danger from open-circuited secondary
  • Shielded against external magnetic field influence
  • Measurement uniformity at any conductor position
  • Non-intrusive, draws no power from main circuit
  • Excellent rejection of external current interference
Detailed Specifications
MODEL NRC-100 NRC-150 NRC-200
Coil length395mm525mm665mm
Window size100mm150mm200mm
Reference Rated current1000A3000A6000A
Coil Resistance260 (+/-10) Ω320 (+/-10) Ω390 (+/-10) Ω
Read AccuracyCalibrated <0.5% (central position, 25ºC)
Maximum current100kA
Coil Section8mm
Lead length2 meters
Phase error≤ 0.5°
Material & Safety
Coil & Cable Thermoplastic rubber, flame retardant UL 94 V-0 rated
Couplings PC, ABS UL 94 V-0 rated
Color Orange, Yellow, Red, Green, Blue
Certifications CE marked, LVD EN 61010-1:2010, EMC EN 61326-1:2013
Protection IP67 / IP68
Voltage Insulation Coil: 2000V; Signal cable: 1000V
Dimensions Diagram
Installation Setup
Application Usage
What is a Rogowski Coil?

Rogowski coils are used for the detection and measurement of electric currents based on an "air-cored" coil principle. The coil is placed around the conductor, and the magnetic field produces a voltage output proportional to the rate of change of current. By using precision winding techniques, the output remains stable regardless of the conductor's position within the toroid.

Technical View
Quality Control
Frequently Asked Questions
What is the maximum current the NRC-200 can measure?
The NRC series can measure AC currents up to 100kA with high linearity.
Is this Rogowski coil suitable for outdoor use?
Yes, it features an IP67/IP68 rating and is made from flame-retardant thermoplastic rubber, making it highly durable for various environments.
Does the position of the conductor inside the coil affect accuracy?
The position error is limited to ±1% maximum. Typical error is less than 0.5% when adjacent to the center.
What are the advantages over traditional current transformers?
Unlike traditional transformers, Rogowski coils have no iron core (no saturation), are non-intrusive, lightweight, and safe from open-circuit secondaries.
Can it measure DC current?
No, Rogowski coils only measure AC components. However, they can measure AC accurately even in the presence of a large DC component.
Does it require an integrator?
Yes, Rogowski coils must be connected to an electronic integrator for phase shift compensation. Some digital meters can interface with them directly.

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