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NRC Ø8 Flexible Rogowski coil fixed by cable ties

上市日期: 2018-08-16

NRC

Ø8 Flexible Rogowski coil fixed by cable ties


High linearity from 1A to 100kA

Wide dynamic range

Very useful with large size or awkward shaped conductors or in places with limited access

No danger from open-circuited secondary

Not damaged by large overloads

Non-intrusive, no power drawn from the main

Measurement uniformity at any position of the conductor inside the coil

       Excellent degree of rejection to the external current conductor 


NRC is a flexible current transducer based on Rogowski principle, particularly suitable for measurement in combination with portable devices. NRC coils are available in different sizes and can be supplied according to customer’s design, therefore they can be used in all those applications, in which traditional transducers are not fitting due to its size and/or weight.

Due to its specific features, flexible Rogowski coil is an extremely confortable solution for current measurement and can be used in a number of cases where traditional current transducer is not the adequate solution.

NRC coil is provided with a shield against the influence of external magnetic fields, therefore it grants a stable measurement from low currents to hundreds of kA. The Rogowski coils must be connected to an electronic integrator for 90° phase shift compensation and frequency equalization. Our DIN-RAIL and panel meters can interface Rogowski coils directly without the need of the external integrators. This is an advantage because there is no external boxes or any power supply with consequent ease of use. The particular features of the Rogowski coils combined with the extremely flexible input programming of our portable meters, allow to carry out measurement by all applications.






Specification


MODEL

NRC-100

NRC-150

NRC-200

Coil length

395mm

525mm

665mm

Window size

100mm

150mm

200mm

Reference

Rated current

1000A

3000A

6000A

Weight

Approx 100-120g

Ratio

Calibrated

85mV/kA@50Hz

50mV/kA@50Hz

Uncalibrated

110mV/kA@50Hz

Read Accuracy

Calibrated <0.5% (central position, 25)

     Uncalibrated < 5% tolerance (central position, 25)

Maximum current measurable

100kA

Coil Resistance

from 100 to 250 Ω

Coil Section

8mm

Lead length

2meter

Temperature

Uncalibrated  200ppm/C

Calibrated  400ppm/C

Position Error

±1% maximum

     Output on 0A                 (zero drift)

≤0.1mV

Phase error

≤0.5°

Linearity

±0.2% of reading

Bandwidth

1Hz to 100kHz(-3dB)

Operating temperature

-30 to 80

Storage temperature

-40 to 90

Other requirements, please contact us to OEM.


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Company

ROGOWSKI TECHNOLOGY (SHANGHAI) CO., LTD. is located in the International Incubator Center in Caohejing High-tech park of Shanghai, specializing in the production and development of current sensor and its related meter. Over  years, the company has cooperated with many domestic leading research institutions,international university, and has successfully developed Rogowski coil with self-sufficiency just property rights. .

Certifications

2018 MEATROL CATALOGUE
MEATROL INTEGRATOR CE-LVD certificate
MEATROL INTEGRATOR CE-EMC certificate
MEATROL Rogowski Coil CE-EMC certificate
MEATROL Calibration Report - A-Y-FCT-200 - 1000A- Template

Power Analyzers
ROGOWSKI COIL   
Power Meter
                 Power Meter
Current transducer
 

How to reach us

ROGOWSKI TECHNOLOGY (SHANGHAI) CO., LTD.
Unit 55,No.2155, Lianhua Road 
Minhang District, Shanghai,China(201109)
  
 
 

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