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DUOYI

DUOYI™ Electronics, an active and quality player in instrumentation industry, was founded in last century, specializing in design, manufacture of electrical measuring instruments.

When we have a reliable R&D team, DUOYI™ pays much attention to quality control. We do believe that solid quality is essential to any productions and all over the world. To us, quality is everything.

Now DUOYI™ is holding a solid market place in China local market. In automotive region, DUOYI™ products have a market share up to 90%. And in electrical industry, the figure is 25% around by ground resistance testers and insulation resistance tester. We are proven an active and solid part in China instrument industry.

Multi Function Tester
DY5500
DY5201A,DY5202A,DY5203A
Ground Resistance Tester
DY4305
DY4300A
DY4300B
DY4300
DY4103, DY4104
DY4200
DY4100
DY4102
DY1000A
DY2100,DY2200,DY2300
DY1200
DY1300
DY1400
Comparision Table
Insulation Resistance Tester
DY5103A
DY5106A
DY5101A/DY5102A
DY5104A/DY5105A
DY30-1/30-2
DY30-3
DY3165/DY3166
Comparision Table
Low Resistance Tester
DY4106
Power Cost Monitor
DY5
Socket Polarity Tester RCD
DY209
DY207
DY207A
DY207B
DY207C
DY207D
Gas Meter / Gas Detector
DY80
DY81
DY82
DY880
DY881
DY882
DY861
DY862
DY8800A+
DY5750A
DY5750B
DY8800B
Transistor tester
DY294
Battery Testers
DY2015B, DY2015C
DY2015/DY2015A
DY2501
Automotive Meter
DY22
DY2201/DY2201A
DY2201C
DY2201D
DY2205/DY2206
DY2201B
DY130
LCR meter
DY4070G
DY6243G
DY6013G
Multimeter
DY21C, DY21D
DY21A/DY21B
DY2108
DY2101
DY2105/DY2106
DY3101A/DY3102A
DY3103
DY3108
DC Bridge & Decade Box
DY-B83A
DY-B84A
DY-B23A
DY-B42
DY-B44
DY-B57P
DY-R75E/R76E/R77E
DY-R9xE
Lamp Tester
DY205
Laser Range Finder
DY30/DY40/DY600
Phase Tester
DYXZ, DYXZ-03
DYXZ-01, DYXZ-02
Accessories
DY100

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DY4100 Ground Resistance Tester

Earth Ground Resistance:0/20/200/2000Ω Earth Voltage:0~30V Resolution:0.01Ω
$

DY4300 4-Terminal Ground Resistance Tester

earth resistance measurement 0 to 20.99kΩ soil resistivity measurement 0 to 395.6kΩm
$

DY4102 Analog Ground Resistance Tester

Earth Ground:0/10/100/1000Ω Earth Voltage 0~30V
$

DY4103 4-pole Earth Resistance Tester

Earth Ground:0/10/100/1000Ω
$

Clamp-on Ground Resistance tester DY1000

Earth Ground Resistance:0.01-1000Ω Resolution:0.01Ω
$

Clamp-on Ground Resistance tester DY1000A

Earth Ground Resistance:0.01-1000Ω Resolution:0.01Ω
$