MEWOI3800LD-Non-Contact Split core Earth Ground Resistance Online Tester/Meter

  • Name:
    MEWOI3800LD-Non-Contact Split core Earth Ground Resistance Online Tester/Meter
  • Model No.:
    MEWOI3800LD
  • Main Features:
    1,Return circuit ground resistance, metallic return connection resistance, grounding conditions on-line monitoring 2,0.01Ω~200Ω,3,6VDC~9VDC, 50mA Max
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TECHNICAL SPECIFICATION

Click to download: MEWOI3800LD User Manual

Click to download:  MEWOI3800LD Color Page

Click to download: Selection Map



MEWOI3800LD.SPEC.01.jpg

FunctionLoop resistance on-line monitoring, metal loop resistance connection online monitoring, grounding condition monitoring.
Power Supply

Detector: DC6V~ DC9V, 50ma Max.

Wired network communication device: 6VDC,30mA Max.

Wireless network communication device: 9VDC,150mA Max.(GSM)
CT StructureSplit Type
CT Size56mm×26mm
Resistance Range0.01Ω ~ 200Ω
Resolution0.001Ω
Accuracy±2% rdg±3dgt(20°C ± 5°C, below 70%RH)
Overflow IndicationWhen show value is beyond 200Ω, systems software and LCD show “OLΩ” sign.
Connecting LineA one meter long wire(5cores shielded wire)
Connection Identifier

Red/brown---power supply input anode;

Black--- power supply input cathode;

Blue---RS485 signal anode;

Grey---RS485 signal cathode;

White--- Analog grounding (power supply input cathode can connects with analog grounding by short circuit connection)
Protocol Standard

Wired network: RS232,RS485 standard communication protocol

Wireless network: RS232、RS485、GSM communication protocol
Network Nodes

Wired network: 1~255 grounding points, scalable

Wireless networks: 1~100 grounding points, scalable
Communication Distance

Wired network: about 1500 meters, scalable

Wireless networks: Unlimited
Alarm Indication

MEWOI3800LC: system software alarm indication

MEWOI3800LD: sound and light alarm and system software alarm 
Alarm Setting

MEWOI3800LC: system software settings

MEWOI3800LD: tester panel settings, system software settings
Data DisplayMEWOI3800LC: system software display
MEWOI3800LD: 4 bit LCD direct display, system software display
LCD Dimensions47mm×28.5mm
Detector Dimensions

Detector: 119mm×118mm×76mm.

Wired network communication device: 140mm×105mm×75mm.

Wireless network communication device: 230mm×160mm×105mm
Weight

Detector: 1000g.

Wired network communication device: 650g.

Wireless network communication device: 1300g
Working Temperature And Humidity-20°C~55°C;20% RH~90% RH
Temperature and humidity errorWithin 5%
ShiftAutomatic shift
GND Interference CurrentProhibited
External Magnetic Field< 40A/m
External Electric Field< 1V/m
Single Measure TimeAbout 0.5 second
Power Consumption

Detector: DC6V~ DC9V, 50ma Max.

Wired network communication device: 6VDC,30mA Max.

Wireless network communication device: 9VDC,150mA Max.(GSM)
InstallationGrounding wire cross Detector centre bore 
Level Of ProtectionIP65 
Power Supply ModeExternal power supply (Equipped by user)

SELECTION GUIDE

Digital Earth Resistance Clamp Meter

Click "blue"marked model No. for detailed Specificaiton

ModelRange
Resolution
clamp sizeRS232Data StorgeAudible and visible alarm Other
MEWOI3000B+MEWOI3000B+_副本.jpg
0.01Ω-200Ω    0.01Ω65mm×32mmoptional 
99sets
MEWOI3100B+MEWOI3100B+官网主图_副本_副本.jpgø32mm
MEWOI3000+MEWOI3000B+_副本.jpg0.01Ω-1200Ω   0.01Ω65mm×32mmoptional 99sets
MEWOI3100+MEWOI3100B+官网主图_副本_副本.jpgø32mm
MEWOI3000D+MEWOI3000B+_副本.jpg

0.01Ω-1200Ω 

0.00-20.00A  

0.01Ω,0.05mA  65mm×32mmoptional 99sets
MEWOI3100D+MEWOI3100B+官网主图_副本_副本.jpgø32mm
MEWOI3800CMEWOI3800C_副本80.jpg0.01Ω-200Ω    0.01Ω60mm*30mmAppoint with RS485 communication interface, provide standard MODBUS-RTU communication protocol×

MEWOI3800DMEWOI3800D_副本80.jpg0.01Ω-200Ω  0.01Ω60mm*30mm×
LCD display,warning function.
MEWOI3800LCMEWOI3800LC.80.jpg0.01Ω-200Ω    0.01Ω

Split  Type

56mm×26mm

Wired network: RS232,RS485 standard communication protocol

Wireless network: RS232、RS485、GSM communication protocol

×

MEWOI3800LDMEWOI3800LD.80.jpg0.01Ω-200Ω  0.01Ω

Split Type

56mm×26mm

×
LCD display,warning function.
MEWOI4000MEWOI4000C_副本.jpg

0.01Ω~2000Ω;

 0~600V

0.01Ω,1V
400sets
2/3-wires measurement of earth resistance/voltage
MEWOI4000CMEWOI4000C_副本.jpg

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
MEWOI4200MEWOI4200-1_副本80.jpg

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,0.1Vø68mm2000sets
2/3/4-wires,selection & dual clamp method to measure the earth resistance,soil resistivity,earth voltage,AC voltage,AC leakage current,warning function.

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