China High Quality earthing test Factories – GDCR3000B Digital Earth Resistance Tester – HV Hipot

China High Quality earthing test Factories – GDCR3000B Digital Earth Resistance Tester – HV Hipot

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China High Quality earthing test Factories – GDCR3000B Digital Earth Resistance Tester – HV Hipot Detail:

General Information

GDCR3000B Earth Resistance/Soil Resistivity Tester is special designed for measuring earth resistance, soil resistivity, earth voltage and AC voltage. The latest digital and micro processing technology is adopted, to measure earth resistance by 4-pole, 3-pole or 2-pole. FFT(Fourier transform) technology, AFC(automatic frequency control) technology is also available, with good anti-interference ability and the ability to adapt to the environment, to ensure high precision, high stability and reliability. It’s widely used for measurement of electric power, telecommunications, meteorology, oil field, construction, lightening protection, industrial electrical equipment.

GDCR3000B is composed of host machine, monitoring software, testing cables, auxiliary earthing rod, communication cable 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 300 sets of data, realize historical query and online real-time monitoring functions through monitoring software, dynamic display, alarm indication, with the functions of reading, reviewing, saving, reporting and printing of historical data.

Specifications

1. Standard Condition and Working Condition

  Standard Condition Working Condition Remark
Environmental temperature 23℃±1℃ -10℃~40℃ —-
Environmental Humidity 40%~60% <80% —-
Working Voltage 9V±0.1V 9V±1.5V —-
 Auxiliary Earth Resistance <100Ω <30kΩ rC、rP
Interference voltage —- <20V —-
Interference current —- <2A —-
Electrode distance of R test a>5d a>5d —-
Electrode distance of ρ test a>20h a>20h —-

2. General Specifications

Functions 2-pole/3-pole/4-pole Earth resistance measurement,soil resistivity, earth voltage, AC voltage measurement.
Power Supply DC 9V (Zn-Mn dry battery R14S 1.5V 6 pieces,Continuous standby time 300hrs)
Range Earth Resistance: 0.00Ω~30.00kΩ
Soil Resistivity: 0.00Ωm~9000kΩm
Earth voltage: 0V-600V
Measurement type 4-pole, 3-pole, 2-pole earth resistance measurement.
Methods of Measurement Earth resistance: Rated current pole changing method. Test curent Max. 20mA
Soil Resistivity: 4 poles method (Wenner Method).
Earth voltage : Average rectifier [P(S)-ES port]
Test Frequency 128Hz/111Hz/105Hz/94Hz(AFC)
Short Circuit Test Current AC 20mA max
Open Circuit Test Voltage AC 40V max
Test Voltage Waveform Sine Wave
Range of Electrodes Distance Can be set 1m-100m
Level Switch Earth Resistance: 0.00Ω-30.00kΩ Auto switching.
Soil Resistivity: 0.00Ωm-9000kΩm Auto switching.
Backlight Blue-screen backlight
Display Model 4 digital LCD display, Blue-screen backlight
Indicator Light LED indicator flash during test, LCD count down display
LCD Dimension 128mm*75mm
LCD Display 124mm*67mm
Dimension 215mm*190mm*95mm
Standard Test Leads Total 4 leads: 1* Red 20m, 1* Black 20m, 1* Yellow 10m, 1*Green 10m
Simple Test Leads 2 leads: 1* Red 1.6m,1*Black 1.6m
Auxiliary Ground Electrodes 4 pieces: φ10mm×150mm
Measurement Time To the ground voltage: about 3 times/sec
Earth resistance, soil resistivity: about 5 seconds/time
Measurement Times More than 5000 times (short circuit test, test 1times, stop 30 seconds then to test)
Circuit Voltage To test below AC 600V
Communication port USB interface, memorized data can be uploaded to PC to save and print.
Communication Lead USB, 1.5m * 1 piece
Data Storage 300 group, “MEM”storage indicate, “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
Interference Test Identify interference signal automatically, when interference voltage exceeds 5V, there is “NOISE” alarm hint
Auxiliary ground test 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
Alarm Function When measuring value exceeds alarm setting value, there is sound alarm
Battery Voltage When battery voltage decreases to about 7.5V, battery voltage low icon“   ”will display, reminding to charge
Power Consumption Standby: about 20mA(Backlight shut off)
Backlight: about 45mA(Backlight shut off 25mA)
Measurement:about 100mA (Backlight shut off)
Weight Total weight with bag: 4.5kg
Tester: 950g(including battery)
Testing Wires: 1560g
Auxiliary earthing rod: 935g (4 PCS)
Working Temperature & Humidity -10℃-40℃, below 80%rh
Storage temperature  & humidity -20℃-60℃, below 70%rh
Overload Protection Measuring earth ground resistance: between each interfaces of C(H)-E、P(S)-ES, AC 280V/3 seconds
Insulation Resistance Over 20MΩ(between circuit and enclosure it is 500V)
Withstanding Voltage AC 3700V/rms (Between circuit and enclosure)
Electromagnetic Features IEC61326(EMC)
Protection Type IEC61010-1(CAT III 300V, CAT IV 150V, pollution degree 2);
IEC61010-031; IEC61557-1(Earth Resistance);
IEC61557-5(Soil Resistivity); JJG 366-2004

 3. Basic error and performance under standard condition

Items Measurement range Accuracy Resolution
Earth resistance(R) 0.00Ω~30.00Ω ±2%rdg±3dgt 0.01Ω
30.0Ω~300.0Ω ±2%rdg±3dgt 0.1Ω
300Ω~3000Ω ±2%rdg±3dgt
3.00kΩ~30.00kΩ ±4%rdg±3dgt 10Ω
Soil resistivity(ρ)
 
0.00Ωm~99.99Ωm According to accuracy of R(ρ=2πaR
a:1 m-100m;
π=3.14)
0.01Ωm
100.0Ωm~999.9Ωm 0.1Ωm
1000Ωm~9999Ωm 1Ωm
10.00kΩm~99.99kΩm 10Ωm
100.0kΩm~999.9kΩm 100Ωm
1000kΩm~9000kΩm 1kΩm
Earth voltage AC 0.0~600V ±2%rdg±3dgt 0.1V

Remark: 1. additional error: ≤±3%rdg±5dgt under rC max or rP max. (rC max: 4kΩ+100R<50kΩ, rP max: 4kΩ+100R<50kΩ)
2. additional error: ≤±5%rdg±5dgt under 5V interference voltage


Product detail pictures:

China High Quality earthing test Factories –  GDCR3000B Digital Earth Resistance Tester – HV Hipot detail pictures

China High Quality earthing test Factories –  GDCR3000B Digital Earth Resistance Tester – HV Hipot detail pictures

China High Quality earthing test Factories –  GDCR3000B Digital Earth Resistance Tester – HV Hipot detail pictures

China High Quality earthing test Factories –  GDCR3000B Digital Earth Resistance Tester – HV Hipot detail pictures

China High Quality earthing test Factories –  GDCR3000B Digital Earth Resistance Tester – HV Hipot detail pictures


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