Leakage Current Portable Instrument Transformer Rogowski Coil Integrator Current Sensor

• Customization: Available
• Type: Integrator/Amplifier/Converter/Transducer/Sensor
• Output Signal Type: Analog Output
• Model NO.: S2-LC
• Production Process: Integration
• Material: Plastic
• Accuracy Grade: 0.5% Typical at 1%(≥10A) to 200% of Rated
• Application: Leakage Current/Small Current
• IP Rating: IP20
• Certification: CE ISO
• Customized: Customized
• Rated Input: 5A/50A(Switchable)
• Rated Output: 3V AC RMS
• Current Sensor: Fixed with Rogowski Coil Sr-50
• Output Terminal: 0.5 Meter BNC Male Terminal
• Output Ripple Factor: 1%
• Response Time: ≤1us
• Power Consumption: 0.2va
• Bandwidth: 10Hz to 10kHz
• Power Supply: DC 5V/2A Adaptor or 1.5V Battery
• Phase Error: ≤0.5°
• Linearity: ±0.2% of Reading(1% to 200% of Range)
• Minimum Current Measurement: 1A (Ripple 100mA)
• Output on 0A (Zero Drift): ≤1mv
• Temperature Drift: 200ppm/ºC
• Advantage: Mini Handheld Low Power Consumption
• Transport Package: Polybag and Export Carton
• Specification: 144*43.5*34mm
• Trademark: MEATROL
• Origin: China
• HS Code: 8517699000
• Production Capacity: 50000PCS/Year

Product Description

 

S2-LC
S2-LC is a leakage current measurement set which is comebine with rogowski coil(SRC-50) and integrator(S2.1).
It could measure from 1mA to 50A with good accuracy.
Single phase two rated current handheld Vac/dc Output Rogowski coil integrator connect to power analyzer or scope,in a plastic mini enclosure, powered by battery or DC adaptor.
What does Integrator do?
• Rogowski coil output is weak voltage mV signal,S2-LC has ability to amplify and convert it to standard signal which could be catched by multimeter and scope.
• Rogowski coil output is proportional to the frequency of the measured current, the signal equalization ensure a linear response on a wide frequency range. S2-LC allows to use coils on different electrical network frequencies, keeping the same output level over the frequencies.
• An integrator is essential to equalize and shift by 90° the output signal from the Rogowski coils. It consists of an active electronic circuit with negligible offset and a good linearity.
Feature
On request the input value can be customized according to the application.
S2-LC and Rogowski coil is a very flexible system, suitable for high power load analysis, impulsive current monitoring, DC ripple measurement, etc.
Due to its specific features, flexible Rogowski coil is an extremely comfortable solution for current measurement and can be used in a number of cases where traditional current transducer is not the adequate solution.

Advantage • From 1mA to 50A measure range • Mini handheld • Low power consumption

Applications • Leakage current measurement • Small current measurement

What is a Rogowski coil?
Rogowski coils have been used for the detection and measurement of electric currents for decades. They are based on a simple principle: an "air-cored" coil is placed around the conductor in a toroidal fashion and the magnetic field produced by the current induces a voltage in the coil. The voltage output is proportional to the rate of change of current. This voltage is integrated, thus producing an output proportional to the current.
By using precision winding techniques, especially developed for the purpose, the coils are manufactured so that their output is not influenced by the position of the conductor within the toroid, and to reject interference from external magnetic fields caused, for example, from nearby conductors.

Basically, a Rogowski coil current measuring system consists of a combination of a coil and conditioning electronics.Rogowski coil current transducers are used for the AC measurement.

They can be used in similar circumstances to current transformers but for many applications they have considerable advantages:
• Wide dynamic range.
• High linearity.
• Very useful with large size or awkward shaped conductors or in places with limited access. Thanks to the structure without hard core, the coil can       be easily manufactured according to the application or to the available space.
• Unlike traditional current transducers, there is no danger from open-circuited secondaries.
• They cannot be damaged by large overloads.
• They are non-intrusive. They draw no power from the main circuit carrying the current to be measured.
• They are also light weighted and in some applications are light enough to be suspended on the conductor being measured.
The transducer does not measure direct currents but, unlike a current transformer, it can carry out accurate measurements of AC component even if there is a large superimposed DC component, since there is no iron core causing saturation. This feature is particularly useful for measuring ripple currents for example in battery charging systems.

Specification
 

Model	S2-LC
Rated Input	5A/50A(switchable)
Rated output	3V AC rms
Maximum Output(overload)	5V pp
Input Connection	Fixed with Rogowski coil cable(SRC-50)
Output terminal	0.5 meter BNC male terminal
Output Ripple factor	1%
Response time	≤1us
Power consumption	0.2VA
Bandwidth	10Hz to 10kHz
Power supply	2pcs AA 1.5V battery(not included)
	3.5*1.3mm DC 5V/2A adaptor(included)
Read Accuracy	0.0 mA ... 9.9 mA	Unspecified
	10.0 mA ... 99.9 mA	±10%
	100.0 mA ... 999 mA	±2%
	1A ... 4.99 A	±0.5%
	5A ... 50A	±0.5%
Phase error	≤0.5°
Linearity	±0.2% of reading(1% to 200% of range)
Minimum Current measurement	1A (Ripple 100mA)
Output on 0A   (zero drift)	≤1mV (rated outut ≥2.5V:zero drift<5mV)
Temperature drift	200ppm/ºC
Weight	300g
Dimension	144*43.5*34mm
Operating temperature	-20ºC to 70ºC
Storage temperature	-30ºC to 90ºC
Relative humidity:	80% max.without condensation
Protection degree:	IP20
Housing material:	PPE+10%PSGF
Other requirements,please contact us to OEM.

More current sensor Rogowski coils:
Ø8 High Frequency: H-FCT,
Ø12 High Voltage 36kV: D-SRC ...
Application cases in high frequency pulse welding machine: current up to 1500kA
Detection coil applicated to Power generation equipment of China's second largest hydroelectric station: current up to 500kA
Rogowski coil application in Draught Fan, lightning current up to 300kA












Safety and warning notes
In order to guarantee safe operation of the transducer and to be able to make proper use of all features and functions,please read these instructions thoroughly!Safe operation can only be guaranteed if the transducer is used for the purpose it has been designed for and within the limits of the technical specifications.Ensure you get up-to-date technical information that can be found in the latest associated datasheet under Rogowski website.

Caution!Risk of danger
Ignoring the warnings can lead to serious injury and/or cause damage!
The electric measuring transducer may only be installed and put into operation by qualified personnel that have received an appropriate training,The corresponding national regulations shall be observed during installation and operation of the transducer and any electrical conductor.The transducer shall be used in electric/electronic equipment the respect to applicable standards and safety requirements and in accordance with all the related systems and components manufacturers' operating instructions.

Caution!Risk of electrical shock
When operating the transducer,certain parts of the module may carry hazardous live voltage(e.g.primary conductor).The user shall ensure to take all measures necessary to protect against electrical shock.The transducer is a build-in device containing conducting parts that shall not be accessible after installation.A protective enclosure or additional insulation barrier may be necessary.Installation and maintenance shall be done with the main power supply disconnected except if there are no hazardous live parts in or in close proximity to the system and if the applicable national regulations are fully observed.

Safe and trouble-free operation of this transducer can only be guaranteed if transport,storage and installation are carried out correctly and operation and maintenance are carried out with care.

WARING!
Do not stress the coil by applying any kind of mechanical force(ie.twisting,puncturing,excessive pressure,tight bending,etc.) which will dramatically degrade the device's accuracy.


Order code

Coil:

Coil Model	Coil diameter (mm)	Output ratio and tolerance	Signal cable length
Code:Y-FCT	Code:200(Typical rated 500A) Code:350(Typical rated 1500A) Code:510(Typical rated 3kA) Code:800(Typical rated 10kA) Y-FCT code is length.	Code:110 110mV/kA@50Hz±5% Code:100 100mV/kA@50Hz±0.5% Code:85 85mV/kA@50Hz±0.5% Code:50 50mV/kA@50Hz±0.5%	Code:-2m Code:-5m Code:-10m Code:-20m
Code:NRC	Code:100(Typical rated 1kA) Code:150(Typical rated 3kA) Code:200(Typical rated 6kA)
Code:MRC	Code:16(Typical rated 100A) Code:24(Typical rated 300A) Code:36(Typical rated 600A)	Code:60 60mV/kA@50Hz±5% Code:50 50mV/kA@50Hz±0.5%
Code:SRC	Code:50 Code:100 Code:150	Code:360 360mV/kA@50Hz±5% Code:333 333mV/kA@50Hz±0.5% Code:100 100mV/kA@50Hz±0.5% Code:85 85mV/kA@50Hz±0.5% Code:50 50mV/kA@50Hz±0.5%
Other requirement could be OEM

 Final Code=Coil model+Coil length+Output ratio tolerance+Signal cable length
 For example:
 Y-FCT-350-100-2m is Y shape connector,coil length 350mm,output 100mV/kA@50Hz 0.5% tolerance,signal cable length is 2meter.


Integrator:

Integrator	Output form	Output value	Rated current	Power supply
Code:D1 (DIN-RAIL integrator)	Code: .1(AC voltage output) Code: .2(DC voltage output)	Code: -333(333mV) Code: -1(1V) Code: -5(5V)	Code: -600A Code: -1kA Code: -3kA Code: -6kA	Code: -12(12V DC) Code: -24(24V DC)
	Code: .3(4-20mA output)	N/A
Code:S9 (mini integrator)	Code: .1(AC voltage output) Code: .2(DC voltage output)	Code: -333(333mV) Code: -1(1V) Code: -3(3V)		Code: -12(6-12V DC) Code: -24(24V DC)
Code:S1 (high accuracy integrator)	Code: .1(AC voltage output) Code: .2(DC voltage output)	Code: -333(333mV) Code: -5(5V) Code: -10(10V)		Code: -12(4-12V DC) Code: -24(24V DC)
	Code: .3(4-20mA output)	N/A
Code:ATP-01 (1A output three phase integrator)	N/A(0-1A)	N/A		Code: -12(12V DC) Code: -24(24V DC)
Code:A01 (1A output integrator)	N/A(0-1A)	N/A		N/A(85-265V AC DC)
Code:A05 (5A output integrator)	N/A(0-5A)	N/A		N/A(85-265V AC DC)
Code:HF (high frequency integrator)	N/A(0-10VAC peak)	N/A	Code: -1kA(1kA/1V) Code: -10kA(10kA/1V)	N/A(4-12V DC)
Other requirement could be OEM

 Final Code=Integrator+Output form+Output value+Rated current+Power supply
 For example:
 D1.1-1-500A-12 is D1 integrator,AC voltage output,500A rated,output 1V,power supply 12V DC
 A01-1kA is A01 integrator,rated 1kA,output 1A,power supply 85-265V AC DC