MEWOI248B 0.0A～4000A 148mm×108mm Super-large Caliber Clamp AC Current Sensor

Email：mewoi@mewoi.com

Whatsapp: +8618620373879

Ⅰ.INTRODUCTION

Click to download: MEWOI248,248B Super-large Caliber Clamp AC Current Sensor User Manual

MEWOI248，MEWOI248B Super-large Caliber Clamp Current Sensor is well designed and manufactured for measurement of AC current, higher harmonic current, phase, electric energy, power and power factor, by adopting the latest CT technology. Its large caliber 148mm×108mm can clamp electric cable of Φ108mm, or 160mm×4mm flat cable and steel earth wires. It is portable, clamp designed, no need to disconnect the circuit, non-contact measurement, which means safer and faster. It can be connected with phase detection analyzer, industrial control equipment, data recorder, oscilloscope, electric power quality analyzer, high precision multi-meter, widely applied in those fields as electricity, communications, meteorology, railroad, oilfield, construction, measurement, scientific & research teaching institutes, industrial and mining establishments.

The clamp is made of special alloy, adopt the latest CT and magnetic shielding techniques, can almost shield the influence from external magnetic field, to ensure the high precision, high stability and high reliability of perennial uninterrupted measurement

SELECTION GUIDE

Model	Range	Resolution	Coils Turn	Shield	Notes
MEWOI248	0.mA～3000A	0.1mA	1：3000	Yes	Strong anti-interference ability and more suitable for leakage current test
MEWOI248B	0.0A～4000A	0.1A	1：3000	No	Suitable for large current testing

TECHNICAL SPECIFICATION

Function	Measurement of AC current, higher harmonic current, phase, electric energy, power and power factor
Test mode	Clamp CT
Clamp Size	148mm×108mm
Range	AC 0.0A-3500A
Resolution	AC 0.1A
Accuracy	±2.0%FS (50Hz/60Hz; 23℃±2℃, below 70%RH, keep the measured wire be in the center of the clamp)
Coils Turn	3000: 1
Phase Error	≤3°(50Hz/60Hz; 23℃±2℃)
Reference Load	RL: 0-300mA≤3kΩ; 0-30A≤30Ω; 0-4000A≤0.3Ω
Output Mode	Current induction output
Output Interface	2 bare wires or standard multi-meter pen plug
Output Wire Length	2m
Electric Field Interference	About 5mA when the external electric field 100A, 10mm nearby
Measured Wire Position	Approximately in the geometric center of the clamp
Current Frequency	45H-60Hz(when measuring big current)
Frequency Feature	10Hz~100kHz
Voltage of circuit	Below AC 600V
Dimension	350mm×180mm×55mm
Weight	1.5Kg
Working Environment	-20℃ ~ 50℃; below 80%rh
Storage Environment	-10℃ ~60℃; below 70%rh
Insulation Strength	AC 3700V/rms.(between coil and shell)
Safety Rules	IEC1010-1, IEC1010-2-032, 2 class of pollution, CAT Ⅲ(600V)

SELECTION GUIDE 1

Flexible Coil Current Sensor Probe For Terminals Such as Mulitimeter&Oscilloscope

Click "Blue" marked Model No. to View the Spec

Model	Flexible CT	Range	Resolution	Coil length	Diameter	Application
MEWOI200G	Φ100 mm	AC 10mA~10000A~more	10mA	315mm (Can be customized)	φ7.5mm(suitable for narrow and cable-intensive places)	Measure AC big current, high harmonic currents, complex Waveforms current, inrush transient current. Suitable for measuring the size of a large or irregularly shaped conductor current
MEWOI300G	Φ200 mm	AC 10mA~10000A~more	10mA	630mm (Can be customized)	φ7.5mm(suitable for narrow and cable-intensive places)
MEWOI400G	Φ300 mm	AC 10mA~10000A~more	10mA	1000mm (Can be customized)	φ7.5mm(suitable for narrow and cable-intensive places)

1. Other Size Can be customized

Product Photo	Model	Coil Circle Diameter	Coil Length	Coil Weight	Coil Diameter
	MEWOI150GA	φ50mm	160mm	80g	φ7.5mm
	MEWOI200GA	φ100mm	320mm	90g
	MEWOI250GA	φ150mm	480mm	100g
	MEWOI300GA	φ200mm	640mm	110g
	MEWOI400GA	φ300mm	950mm	132g
	MEWOI600GA	φ500mm	1580mm	170g
	MEWOI2000GA	φ1000mm	3150mm	290g
	MEWOI2500GA	φ1500mm	4720mm	390g
	MEWOI300GB	φ200mm	640mm	212g	φ12mm
	MEWOI400GB	φ300mm	950mm	274g
	MEWOI600GB	φ500mm	1580mm	400g
	MEWOI2000GB	φ1000mm	3150mm	715g
	MEWOI3000GB	φ2000mm	6290mm	1340g
	MEWOI4000GB	φ3000mm	9420mm	1970g

Note: Coil length and interface can be customized according to request.

SELECTION GUIDE 2

Clamp on Current Sensor Probe For Terminals Such Mulitimeter&Oscilloscope

Click "Blue" marked Model No. to View the Spec

Model	Range	Resolution	Clamp Size	Power Supply&output	Hall effect	Current induction output,Direct Coil tap	Others
MEWOI107BE	0mA~60A (AC/DC)	1mA	Φ7mm	Power Supply: 9VDC, Output:10mV/A,100mV/A, Accuracy 3%	√		Suitable for small spaces AC / DC leakage current, low current test.
MEWOI108	0.0mA~30A (AC)	0.1mA, Accuracy 0.5%	Φ8 mm			√	Suitable for small spaces AC leakage current, harmonic, phase, Power test
MEWOI114	0.00mA～100A(AC)	0.01mA, Accuracy 1.0%	Φ14 mm			√	Suitable for small spaces AC leakage current, harmonic, phase, Power test
MEWOI115	0.00mA～100A	0.01mA	17mm×18mm			√	High accuracy AC leakage current
MEWOI116	0.00mA～20A (AC)	0.01mA,0.5%	Φ16mm			√	High accuracy AC leakage current
MEWOI130	0.00mA~30A (AC), 800:1	0.01mA,Accuracy: 0.5%	25*30mm			√	Double shielding, anti-jamming capability,suitable for leakage current,small current test.
MEWOI130E	0.00A~100mA (DC),	1mA	25*30mm	Power supply: 9VDC, output:25mV/1mA,Accuracy: 3%			Double shielding, anti-jamming capability,suitable for small DC current test.
MEWOI130E2	0.0mA ~100mA (DC),	0.1mA	25*30mm	Power supply: 9VDC, output:0~2.5mV/1mA,Accuracy: 3%，Turns ratio：1:800			Double shielding, anti-jamming capability,suitable for DC leakage current test.
MEWOI130BE	0mA~60A (AC/DC)	1mA	25*30mm	Power supply: 9VDC, output:10mV/A，100mV/A,Accuracy: 2%	√		suitable for AC/DC current test
MEWOI135BE	0.0A~1000A (AC/DC)	0.1A	30*35mm	Power supply: 9VDC, output:1mV/1A,Accuracy: 2%	√		suitable for AC/DC current test
MEWOI140	0.00mA ~40A (AC) Turn Ratio 800:1	0.01mA,Accuracy: 0.5%	35*40mm			√	Single shielding, suitable for leakage current, small current test
MEWOI140B	0.0A~600A (AC) Turn Ratio 1:4000	0.1A, Accuracy: 1%	35*40mm			√	suitable for big current test
MEWOI140C	0.0mA ~100A (AC) Turn Ratio 1:2000	0.1mA, Accuracy: 1%	35*40mm			√	suitable for current, harmonic, phase, Power test
MEWOI140E	DC 0mA～1000mA	1mA, Accuracy: 3%	35*40mm	Power supply: 9VDC, output:1mV/1mA,Accuracy: 3%
MEWOI150	0mA ~ 600A AC	1mA,0.5%	Φ50mm
MEWOI168	0.00mA ~60A (AC)	0.01mA, Accuracy: 0.5% 800：1	Φ68mm			√	Double shielding, anti-jamming capability,suitable for leakage current, current test
MEWOI168B	0.0A~800A (AC)	0.01A, Accuracy: 0.5% 2000：1 / 0～3V(7.5Ω)	Φ68mm			√	suitable for current, harmonic, phase, Power test
MEWOI168C	0.00A~1000A (AC)	1mA, Accuracy: 2%	Φ68mm			√	suitable for current, harmonic, phase, Power test
MEWOI168BE	0.0A~1500A (DC), 0.0A~1500A(AC)	0.1A	Φ68mm	Power supply: 9VDC, output:1mV/1A, Accuracy: 3%	√		suitable for AC/DC big current test
MEWOI170	0mA ~ 1000A	1mA	Φ70mm	output signal: mA/A;mV/A;1A;5A
MEWOI180	AC 0.00mA～60A	0.01mA 0.5% 800:1	80X80mm
MEWOI248	AC 0.0mA～100A	0.1mA 0.5% 800:1	108X148mm

label: leakage current clamp sensor