About Us

Professional OEM/ODM Manufacturer for safety electricity testing equiments

Our Principle

Produce Safety,economic, durable electricity testing equipments for global customers

Applications and FAQ

Keep on learning for electrical Testing Instruments

Contact Us

Address: ShenZhen,China Email : mewoi@mewoi.com

Hot Items

MEWOI2000D-Non-contact Phase Sequence Detector-upgraded version

MEWOI2000D-Non-contact Phase Sequence Detector-upgraded version
MEWOI2000E-Large caliber Non-contact Phase Sequence Detector-upgraded version

MEWOI2000E-Large caliber Non-contact Phase Sequence Detector-upgraded version
MEWOI140LE Split Type High Accuracy Clamp Current Sensor Probe

MEWOI140LE Split Type High Accuracy Clamp Current Sensor Probe
MEWOI248B 0.0A～4000A 148mm×108mm Super-large Caliber Clamp AC Current Sensor

MEWOI248B 0.0A～4000A 148mm×108mm Super-large Caliber Clamp AC Current Sensor
MEWOI248 0.mA～3000A 148mm×108mm Super-large Caliber Clamp AC Current Sensor

MEWOI248 0.mA～3000A 148mm×108mm Super-large Caliber Clamp AC Current Sensor
MEWOI68G 2500V/1MΩ～20GΩ/1～750V Digital Insulation Tester

MEWOI68G 2500V/1MΩ～20GΩ/1～750V Digital Insulation Tester
MEWOI68D 1000V/1MΩ～20GΩ/1～750V Digital Insulation Tester

MEWOI68D 1000V/1MΩ～20GΩ/1～750V Digital Insulation Tester
MEWOI68C 5000V/1MΩ～200GΩ/1～750V Digital Insulation Tester

MEWOI68C 5000V/1MΩ～200GΩ/1～750V Digital Insulation Tester
MEWOI6500 Commutation Switch 3-Phase Unbalance Monitor/Control Device

MEWOI6500 Commutation Switch 3-Phase Unbalance Monitor/Control Device
MEWOI-S Series Rogowski Coil Current Sensor/Transformer/Transducer

MEWOI-S Series Rogowski Coil Current Sensor/Transformer/Transducer
MEWOI-X Series Rogowski Coil Current Sensor/Transformer/Transducer

MEWOI-X Series Rogowski Coil Current Sensor/Transformer/Transducer
MEWOI7900 Rogowski Coil Current Clamp/Flexible Coil clamp meter

MEWOI7900 Rogowski Coil Current Clamp/Flexible Coil clamp meter

FAQ

The easiest way to measure ground resistance using clamp meter, but be carefull!

The easiest way to measure ground resistance using clamp meter Why clamp meter / tester for grounding?The ground clamp meter / tester is an effective and time-saving tool when used correctly ...

Comparison of traditional earth resistance tester and Clamp on earth resistance tester

           Comparison of traditional earth resistance tester and Clamp on earth resistance testerGro.....

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