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

Electricity Testing Instruments manufacturer, Support OEM/ODM, your testing specialist

  • Main Features:: 1,Return circuit ground resistance, metallic return connection resistance, grounding conditions on-line monitoring 2,0.01Ω~100Ω,3,6VDC~9VDC, 50mA Max
  • Model No.:: MEWOI3800LD
  • Name:: MEWOI3800LD-Non-Contact Split core Earth Ground Resistance Online Tester/Meter

Contact Us for QuotationEmail:mewoi@mewoi.comWhatsapp: +8618620373879

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 ~ 100Ω
Resolution0.01Ω
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 ProtectionIP54 
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 StorgeOther

MEWOI3000B+

MEWOI3000B+.jpg

0.01Ω-200Ω   0.001Ω65mm×32mmoptional
99sets

MEWOI3100B+

MEWOI3100B+.jpg

ø32mm

MEWOI3000B

MEWOI OEM/ODM  Instruments Manufacturer

55mm×32mm

MEWOI3000

MEWOI OEM/ODM  Instruments Manufacturer

0.01Ω-1000Ω0.001Ω55mm×32mm
99sets

MEWOI3000+

MEWOI3000B+.jpg

0.01Ω-1200Ω 0.001Ω65mm×32mmoptional99sets

MEWOI3100+

MEWOI3100B+.jpg

ø32mm

MEWOI3000D

MEWOI OEM/ODM  Instruments Manufacturer

0.01Ω-1000Ω

0.00-30.00A

0.001Ω,0.05mA 55mm×32mm
99sets

MEWOI3000D+

MEWOI3000B+.jpg

0.01Ω-1200Ω

0.00-20.00A 

0.001Ω,0.05mA 65mm×32mmoptional99sets

MEWOI3100D+

MEWOI3100B+.jpg

ø32mm

MEWOI3200

MEWOI3200.80.jpg

0.01Ω-1500Ω

0.00-40.00A 

0.001Ω,0.05mA 

65mm×32m

m

99setsRechargable Batteries

MEWOI3800CA

MEWOI3800CA.80.jpg

0.01Ω-100Ω 0.01Ω60mm*30mm,(Closed)Appoint with RS485 communication interface, provide standard MODBUS-RTU communication protocol×

MEWOI3800DA

MEWOI3800DA.80.jpg

0.01Ω-100Ω 0.01Ω

60mm*30mm

(Closed),

×LCD display,warning function.

MEWOI3800LC

MEWOI3800LC.80.jpg

0.01Ω-200Ω   0.01Ω

Split  Type

56mm×26mm

Wired network: RS232,RS485 standard communication protocol

Wireless network: RS232、RS485、GSM communication protocol

×

MEWOI3800LD

MEWOI3800LD.80.jpg

0.01Ω-200Ω 0.01Ω

Split Type

56mm×26mm

×LCD display,warning function.

MEWOI3900

MEWOI OEM/ODM  Instruments Manufacturer

0.01Ω~2000Ω0.01Ω


2/3-wires measurement

Online

MEWOI3900C

MEWOI OEM/ODM  Instruments Manufacturer

0.01Ω~2000Ω0.01Ω


2/3-wires measurementOnline,GPRS

MEWOI4000

MEWOI4000.80.jpg

0.01Ω~2000Ω;

0~600V

0.01Ω,1V
400sets2/3-wires measurement of earth resistance/voltage

MEWOI4000D

MEWOI OEM/ODM  Instruments Manufacturer

0.01Ω~2000Ω;

0~600V

0.01Ω,1V
400sets2/3-wires measurement of earth resistance/voltage

MEWOI4000C

MEWOI4000C.80.jpg

earth resistance:0.01Ω~30.00KΩ;

soil resistivity:0.01Ωm~9000KΩm;

0~600V

0.01Ω,0.01Ωm,1V
300sets2/3/4-wires measurement of earth resistance,soil resistivity,and earth voltage

MEWOI4200D

MEWOI OEM/ODM  Instruments Manufacturer

earth resistance:0.01Ω~30.00KΩ;

soil resistivity:0.01Ωm~9000KΩm;

0~600V

0.01Ω,0.01Ωm,1V
300sets2/3/4-wires measurement of earth resistance,soil resistivity,and earth voltage

MEWOI4200

MEWOI4200-1_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,0.1Vø68mm2000sets2/3/4-wires,selection & dual clamp method to measure the earth resistance,soil resistivity,earth voltage,AC voltage,AC leakage current,warning function.

MEWOI4300D

MEWOI OEM/ODM  Instruments Manufacturer

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,0.1Vø68mm2000sets2/3/4-wires,selection & dual clamp method to measure the earth resistance,soil resistivity,earth voltage,AC voltage,AC leakage current,warning function.

MEWOI4250

MEWOI OEM/ODM  Instruments Manufacturer

Ground resistance:0.10Ω ~ 200Ω(4 clamp method)

Ground resistance ( R ):0.10Ω ~ 20KΩ

Soil resistivity ( ρ )0kΩm~9000kΩm

AC current (A~)1mA~500.0A

Ground voltage (V~)0.0V~200.0V

0.01Ω,0.01Ωm,0.01mA,0.1Vø68mm100setsUntie-free tower grounding resistance tester




Telephone
E-mail
After Sales
QQ