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Ⅰ.INTRODUCTION
Click to download: MEWOI140,140B,140C Leakage Clamp Current Sensor User Manual
MEWOI140C Clamp Current Sensor, with the characteristics of small size, high accuracy, good stability and strong anti-interference ability.。It can be connected with high precision digital multi-meter and data recorder..Widely applied in electricity, communication, meteorology, industrial and mining enterprises. MEWOI140C Clamp Current Sensor adopt up-to-date CT technology, can almost shield the influence from external magnetic field, to ensure the high precision, high stability and high reliability of perennial uninterrupted measurement. It suitable for the harmonic, phase, power test. |
Technical Specifications
Function | Measurement of AC current, leakage current, high order harmonic current, phase, power energy, power, power factor |
Test mode | Clamp CT |
Clamp Size | 35mm×40mm |
Range | 0.0mA~100A AC |
Resolution | 0.1mA AC |
Accuracy | ±1.0%FS(50Hz/60Hz; 23°C±2°C, below 70%RH, keep the wire be in the center of clamp) |
Coils Turn | 1:2000 |
Phase Error | ≤3°(50Hz/60Hz; 23°C±2°C) |
Reference Load | RL:0~300mA≤500Ω; 0~3A≤50Ω; 0~30A≤5Ω; 0~300A≤0.5Ω |
Output Mode | Current induction output |
Output Interface | φ3.5mm audio plug or Choose two root welding thread or standard multi-meter pen plugs |
Output Wire Length | 2m |
Electric Field Interference | About 10mA 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 Characteristics | 10Hz~100kHz |
Line Voltage | Below AC 600V |
Dimension | 120mm×70mm×33mm |
Weight | 190g |
Working Environment | -20°C-50°C; below 80%rh |
Storage Environment | -10°C-60°C; below 70%rh |
Insulation Strength | AC3700V/rms (between core and shell) |
Safety Rules | IEC1010-1, IEC1010-2-032, Pollution degree 2, CAT III (600V) |
Ⅱ.APPLICATION
SELECTION GUIDE 1
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 | ||
MEWOI130 | 0.000mA~60A (AC), | 0.001mA,Accuracy: 1% | 25*30mm | √ | Double shielding, anti-jamming capability,suitable for leakage current,small current test. | ||
MEWOI130E | 0.00A~10A (DC), | 0.01A | 25*30mm | Power supply: 9VDC, output:0~2.5mV/10mA,Accuracy: 3%，Turns ratio：1:800 | 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 ~300A (AC) Turn Ratio 1:2400 | 0.01mA,Accuracy: 1% | 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 | ||
MEWOI168 | 0.00mA ~1000A (AC) | 0.01mA, Accuracy: 1% | Φ68mm | √ | Double shielding, anti-jamming capability,suitable for leakage current, current test | ||
MEWOI168B | 0.0A~2000A (AC) | 0.1A, Accuracy: 2% | 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~2000A (DC), 0.0A~1000A(AC) | 0.1mA | Φ68mm | Power supply: 9VDC, output:1mV/1A, Accuracy: 2% | √ | suitable for AC/DC big current test |
SELECTION GUIDE 2
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) |
Technical Specifications
Function | Measurement of AC current, leakage current, high order harmonic current, phase, power energy, power, power factor |
Test mode | Clamp CT |
Clamp Size | 35mm×40mm |
Range | 0.0mA~100A AC |
Resolution | 0.1mA AC |
Accuracy | ±1.0%FS(50Hz/60Hz; 23°C±2°C, below 70%RH, keep the wire be in the center of clamp) |
Coils Turn | 1:2000 |
Phase Error | ≤3°(50Hz/60Hz; 23°C±2°C) |
Reference Load | RL:0~300mA≤500Ω; 0~3A≤50Ω; 0~30A≤5Ω; 0~300A≤0.5Ω |
Output Mode | Current induction output |
Output Interface | φ3.5mm audio plug or Choose two root welding thread or standard multi-meter pen plugs |
Output Wire Length | 2m |
Electric Field Interference | About 10mA 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 Characteristics | 10Hz~100kHz |
Line Voltage | Below AC 600V |
Dimension | 120mm×70mm×33mm |
Weight | 190g |
Working Environment | -20°C-50°C; below 80%rh |
Storage Environment | -10°C-60°C; below 70%rh |
Insulation Strength | AC3700V/rms (between core and shell) |
Safety Rules | IEC1010-1, IEC1010-2-032, Pollution degree 2, CAT III (600V) |
1*clamp sensor ,1* user manual