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Weight: 1.2kg
Dimensions: 285mm*85mm*56mm
Measuring Resistance Range: 0.01-1200ohm
Display Type: Analog and Digital
Model Number: MEWOI3000+
Brand Name: MEWOI
Place of Origin: China (Mainland)

Specifications

INTRODUCTION

MEWOI3000+ Clamp 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. MEWOI3000+ Clamp Earth Resistance Tester can measure the ground fault which can not be measured by traditional method, can apply in the occasion where traditional methods are unworkable; MEWOI3000+ Clamp Earth Resistance Tester measures the integrated value of ground resistance and resistance lead.


Technical Specification

Function

Ground resistance test, Loop resistance test

Power Supply

6VDC 4 PCS of LR6 lkaline batteries

Resistance Range

0.01-1200Ω

Resistance Resolution

0.01Ω

Highest Resistance Accuracy

±1%±0.01Ω

Data memory

99 Sets

Alarm Threshold Setting Range

Resistance: 1-1999Ω

Alarm Sound and Light

" Beep-beep-beep" alarm tone, Alarm Symbol Flashing, Press AL key to turn on, turn off Alarm or set Alarm Threshold.

Interference Signal Recognition

" Beep-beep-beep" tone, NOISE symbol blinking

Working Temperature and Humidity

-20℃-55℃; 20％RH-90％RH

LCD Screen

4 Digits LCD display, Screen L×W: 47mm×28.5mm

Clamp Size

65mm×32mm

Clamp Opening Extent

32mm

Tester Weight

1160g (With batteries)

Clamp Dimension

L×W×T: 285mm×85mm×56mm

Protection Level

Dual Insulation

Structural Feature

Clamp CT

Shifting

Automatic shifting

External magnetic field

＜40A/m

External electrical field

＜1V/m

Single measurement time

0.5 second

Resistance measurement frequency

＞1KHz

Measured current frequency

50/60Hz Automatic measurement

Low Battery Indication

Low battery symbol displays when battery is lower then 5.3V

Memory Full Indication

MEM symbol blinks when all 99 sets memory is full

Over Range Indication

Out of range indication " OLΩ" , " L0.01" or " OL A"

Auto Power-off

5 minutes after Boot up

Power Consumption

Max 50mA either in booting up or normally working, Continuously working for 30 hours

RS232 Interface (Optional)

The data stored in the meter are uploaded to the computer through RS232 interface and data wire, Then generate report files

Accessories

Meter: 1 piece, Test Ring: 1 Piece, Meter Suitcase: 1 Piece , batteries: 4 PCS ( LR6)


SELECTION GUIDE

Digital Earth Resistance Clamp Meter

Click "blue"marked model No. for detailed Specificaiton

Model Range
 Resolution
 clamp size RS232 Data Storge Audible and visible alarm  Other
MEWOI3000B+ 0.01Ω-200Ω     0.01Ω 65mm×32mm optional 
 99sets √
MEWOI3100B+ ?32mm
MEWOI3000+ 0.01Ω-1200Ω    0.01Ω 65mm×32mm optional  99sets √
MEWOI3100+ ?32mm
MEWOI3000D+

0.01Ω-1200Ω 

0.00-20.00A  

0.01Ω,0.05mA   65mm×32mm optional  99sets √
MEWOI3100D+ ?32mm
MEWOI3800C+ 0.01Ω-200Ω     0.01Ω 60mm*30mm Appoint with RS485 communication interface, provide standard MODBUS-RTU communication protocol ×

MEWOI3800D 0.01Ω-200Ω   0.01Ω 60mm*30mm ×
LCD display,warning function.
MEWOI4000

0.01Ω～2000Ω;

 0～600V

0.01Ω,1V
√ 400sets
2/3-wires measurement of earth resistance/voltage
MEWOI4000C

earth resistance:0.01Ω～30.00KΩ;

soil resistivity:0.01Ωm～9000KΩm;

 0～600V

0.01Ω,0.01Ωm,1V
√ 300sets
2/3/4-wires measurement of earth resistance,soil resistivity,and earth voltage
MEWOI4200

earth resistance:0.01Ω～30.00KΩ;AC Leakage current: 0.00mA~600A; 

soil resistivity:0.01Ωm～9000KΩm;Earth Voltage:0.0~100.0V,dual clamp: 0.01Ω-100Ω

0.01Ω,0.01Ωm,0.01A,0.1V ?68mm √ 2000sets
2/3/4-wires,selection & dual clamp method to measure the earth resistance,soil resistivity,earth voltage,AC voltage,AC leakage current,warning function.