MEWOI Electronics Co.,ltd
A leading Testing instruments manufacturer in China.
- +86-18620373879
- mewoi@mewoi.com
- G4-1003,BIYUN1 Street
JinBiYuShui Villa,HuaDu District
GuangZhou, 510860
China
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product
High Accuracy Clamp Leaker
Leakage Current Clamp Meter, Car Standby Current Clamp Meter, Car Inrush current Tester, Car Charge Current Tester. It is specially designed for online measurement of AC/DC leakage current, current below 600V by adopting up-to-date CT technology and digital integration technology. It is especially suitable for measure car standby current, leakage current, inrush current. It is a product with the characteristic of relatively small size, high accuracy, strong anti-interference capability and automatic shifting.
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product
Digital Phase Meters
Digital Phase Volt-Ampere Meter is a well-developed full-automatic, multi-functional, digital, intelligent meter specifically designed for field testing, which is a overall upgrade product based on mechanical knob phase volt-ampere meter, can simplify operation and reduce the possibility of misoperation, featuring high accuracy, high stability, low power consumption, easiness to use and so on.
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product
Non-contact Phase Sequence Detector
Phase detection (normal phase, reverse phase and phase deficiency), Live wire examination, Simple Power detection, Breakpoint location and Line maintenance.
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product
Non-Contact Resistance Online Tester
Non-Contact Resistance Online Tester is our company devotes ourselves to Grounding resistance test technical research’s another new high-tech product for more than ten years. Detector adopts weather fastness material manufacture, temperature resistance, cold-resistant, corrosion prevention, fire prevention. Detector’s structure is rigorous and firm, against rain, dustproof, installation and use outdoors. Non-contact measurement, safe and reliable, Ease of installation. Grounding down lead is directly through the detector perforation, Will not affect lightning protection grounding effect and the normal operation of the facilities. Ensure high-accuracy, high stability and high reliability of long time on-line monitoring outdoors, underground mine and indoors.
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product
Clamp on AC Leakage Current Sensors
High Accuracy Clamp AC Leakage Sensor use permalloy magnetic cores, with small size, high accuracy, good stability, strong anti-interference ability characteristics. It is applied with double shield technology, which insure strong anti-interference ability.
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product
Earth Resistance Testers
Earth Resistance Tester is widely applied in ground resistance measurement, loop resistance measurement in fields such as electric power, telecommunications, meteorology, oil field, architecture and industrial electrical equipment, etc. When measuring ground system with loop, there is no need to disconnect the ground wire without auxiliary electrode, which means safer and faster.
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product
H/L Voltage Clamp Meters
High Voltage Current Transformation Ratio Tester breaks traditional structure, specially designed for high and low voltage first and secondary loop current, variable ratio, and current leakage test; apply the latest CT technology and mask digital integration technology, composed of special high-voltage clamp, low voltage clamp, host, high voltage insulation rod and monitoring software, etc; its wireless transmission test data can penetrate multiple building obstacles with a straight-line distance of 30 meters.
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product
Power Quality Analyzer
Power quality analyzer is a product carefully developed by our company and specially designed for field test of three phases, multi-functional and intelligent, man-machine operation and concise and comprehensive test instrument. It is easy to use, large LCD screen display, high resolution, interface in both Chinese and English, shock-proof shell structure and so on. Can simultaneously measure the 4-channel current (ABC three phase and neutral wire current), 4-channel voltage (ABC three-phase voltage and neutral line voltage to ground), the peak value of current voltage, maximum/minimum value over a period, three-phase imbalance factor, short-time voltage flicker, transformer K factor, active power, reactive power, apparent power, power factor and displacement power factor, active power, reactive power, apparent power, total harmonic distortion and harmonic, etc; Display real-time waveform, harmonic ratio bar charts of current voltage; Dynamically capture instantaneous change of voltage current, monitoring starting current, monitoring the power parameters and generate the alarm list, generate the trend chart for a long time record test data.
