| 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 | 
| MEWOI052  | 0.1A ~1000A  (AC) Turn Ratio 1:1000 | 0.1A, Accuracy: 1% | 52mm | 
 | 
 | √ | 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 | 
| MEWOI20  | 0.0A~1000A (AC) 2000A Optional | 0.1A, Accuracy: 1% | Φ120mm | 
 | 
 | √ | 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 
 
 |