Gold Member Since 2011
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HV Hipot Electric Co., Ltd.

Earth Resistance Tester, Resistance Tester, Insulation Resistance Testers manufacturer / supplier in China, offering Digital Earth Resistance Tester, Automatic AC Hipot Test Set, Ohmmeter — — Contact Resistance Test Set GDHL-100 and so on.

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Supplier Homepage Product Insulation Resistance Tester Digital Earth Resistance Tester

Digital Earth Resistance Tester

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 1000PCS/Year
Transport Package: Wooden Case
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: GDCR3000
  • Power Supply: DC 9V(Zi-Mn Dry Battery R14s 1.5V 6 PCS, Continuou
  • Data Mode: Average Value, Maximum, Minimum
  • Dimension: L×w×h: 215mm×190mm×95mm
  • Trademark: HV Hipot
  • Origin: Wuhan China
  • Earth Ground Voltage: 0 ~ 600V AC
  • Measuring Mode: Precise 3-Pole Measurement, Simple 2-Pole Measurem
  • Display Mode: 4-Digital Super-Large LCD Display, Blue Screen Bac
  • Testing Wires: Three Wires: Each for Red 20m, Yellow 10m, and Gre
  • Specification: ISO, SGS
  • HS Code: 9030332000
Product Description
General information
GDCR3000 Digital Earth Resistance Tester is specially designed and manufactured for field measurement, adopting the latest digital and micro-processing technology, 3-pole or 2-pole method for earth resistance measurement, with a unique function of wire resistance verification, anti-interference capability and the ability to adapt to the environment, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth ground resistance measurement.
GDCR3000 Digital Earth Resistance Tester has a unique function of wire resistance verification,more accurate on measuring on-site low value earth ground resistance, which can avoid error caused by resistance change due to prolonged usage of testing wire; avoid error caused by testing wire that is failed to be fully inserted into tester interface or by poor contact; avoid error caused by users' replacing or lengthening testing wires.
GDCR3000 Digital Earth Resistance Tester is composed of host machine, monitoring software, testing wires, communication wires and others. The large LCD display of host machine is with blue backlight and bar graph indicating that can be seen clearly. At the same time it can store 400 sets of data, fulfilling historical inquiry and online real-time monitoring through monitoring software, dynamic display, with the maximum, minimum, and mean indicators, with alarm settings and alarm indicator, and with the functions like historical data access, reading, preservation, report forms, printing and so on.
Measuring Range and Accuracy

Measuring Functions
Measuring RangeAccuracyResolution
Earth Ground Resistance0.01Ω ~ 20Ω±1%rdg±3dgt (Auxiliary earth ground resistance 100Ω±5% , voltage to ground < 10V)0.01Ω
0.1Ω ~ 200Ω0.1Ω
1Ω ~ 2000Ω
Earth Ground Voltage0 ~ 600V AC±1%rdg±3dgt1V
(Remark: 23 ºC ±5 ºC , below 75%rh)
Technical Specifications


Earth ground resistance measurement, voltage to ground measurement, low value resistance measurement

Power Supply

DC 9V(Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )


Controllable blue backlight, suitable for use in dark place.

Measuring Mode

Precise 3-pole measurement, simple 2-pole measurement

Measuring Method

Earth ground resistance: rated current change-pole method, measurement current 3mA Max , 820Hz ;
Voltage to ground: average value rectification

Data Mode

Average value, maximum, minimum

Wire Resistance Verification

Avoid error caused by testing wire that is failed to be fully inserted into tester interface or by poor contact or by users' replacing or lengthening testing wires, making it more accurate for earth ground resistance measurement.

Display Mode

4-digital super-large LCD display, blue screen backlight

Measuring indicator

During measurement, LED flash indicator, LCD count down display

LCD Dimension

128mm×75mm ; Display field : 124mm×67mm


L×W×H: 215mm×190mm×95mm

Testing Wires

Three wires: each for Red 20m, Yellow 10m, and Green 5m

Simple Testing Wire

2 wires: each for Red 1.6m and Green 1.6m

Auxiliary earthing rod

2 PCS : Φ 10mm×150mm

Measuring Rate

Voltage to ground: about 3 times/second; earth ground resistance: about 5 seconds/time

Measuring Times

Over 5000 times
(Measuring 10Ω for one time on 20Ω range and take a pause for 25s)

Circuit Voltage

Measuring voltage to ground: measuring below AC 600V

RS232 Interface

Possess RS232 interface, software supervision, storage data can be uploaded to computer, saved or printed.

Communication Wire

One piece of RS232 communication wire, with length 1.5m

Data Storage

400 sets, flash display " FULL " icon to indicate storage is full

Data Hold

Data hold function: " HOLD " icon display

Data Read

Data read function: " READ " icon display

Overflow Display

Exceeding measuring range overflow function: " OL " icon display

Alarm Function

When measuring value exceeds alarm setting value, there is "Toot-toot-toot" alarm hint

Battery Voltage

When battery voltage decreases to about 7.8V, battery voltage low icon will display, reminding to charge.

Power Consumption

Backlight : 25mA Max


Standby: 25mA Max(Backlight shut off)


Measurement : 70mA Max(Backlight shut off)


Tester : 1443g ( including battery )


Testing Wires : 847g ( including simply testing wires )


Auxiliary earthing rod : 468g ( 2 PCS )


Meter bag : 915g

Working Temperature & Humidity

-10 ºC ~ 40 ºC ; below 80%rh

Storage temperature & humidity

-20 ºC ~ 60 ºC ; below 70%rh

Overload Protection

Measuring earth ground resistance: between each interfaces of E-P , E-C , AC 280V/3 seconds

Insulation Resistance

Over 10MΩ(between circuit and enclosure it is 500V)

Withstanding Voltage

AC 3700V/ rms (Between circuit and enclosure)

Electromagnetic Features

Wireless frequency electromagnetic field

Protection Type

IEC61010-1 , IEC1010-2-31 , IEC61557-1,5 , IEC60529(IP54) , Pollution etc. 2 , CAT III 300V

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