Verified Supplier Double Clamp Ground Resistance Tester

• After-sales Service: Provided
• Warranty: 1 year
• Short circuit test current: AC 20mA max
• Open circuit test voltage: AC 40V max
• Electrode spacing: 1m~100m
• Display mode: 6-digit large LCD display with backlight
• Model NO.: ZXET3008
• Power supply: DC 7.4V 1.8Ah rechargeable lithium battery
• Test frequency: 128Hz/111Hz/105Hz/94Hz(Automatic frequency selecti
• Working temperature and humidity: -10 ~ 40Centigrade; below 80% rh
• Insulation resistance: 20MOhm or more (500V between circuit and case)
• Back light: Controllable white screen backlight
• Transport Package: Carton/Wooden Case
• Specification: With the change of technical scheme
• Trademark: GDZX
• Origin: Hubei
• Production Capacity: 500 Pieces/Month

Product Description

ZXET3008 Double Clamp Ground Resistance Tester

   

 

The ZXET3008 double-clamp grounding resistance tester is carefully designed and manufactured for field measurement of grounding resistance, soil resistivity, grounding voltage, grounding wire leakage current, AC current, and DC resistance in combination with the new lightning protection grounding resistance detection standard. Current up to 20mA, using digital processing technology, precision 4-wire method, 3-wire method and simple 2-wire method, selection method, double clamp method to measure the grounding resistance, large-caliber current clamp design, can measure the grounding system using large grounding down conductor.

 

Technical Indicators

Functions	Ground resistance, soil resistivity, DC resistance, on-resistance, equipotential connection resistance, ground voltage, AC current, leakage current measurement
Power supply	DC 7.4V 1.8Ah rechargeable lithium battery
Back light	Controllable white screen backlight, suitable for use in dark places
Measurement	Precision 4-wire, 3-wire method measurement, simple 2-wire method, selection method, double clamp method to measure grounding resistance
Measurement methods	Two, three and four wire method measurement: pole changing method, short circuit measurement current 20mA Max
	Selection method measurement: pole changing method, short circuit measurement current 20mA Max
	Double clamp method: non-contact mutual inductance measurement method, test current 1mA Max
	Soil resistivity: quadrupole method (Wenner method)
	DC resistance: pole changing method
	AC current: average rectification (clamp)
	Voltage to ground: average rectification (between P (S) -ES interface)
Range	Two, three, four wire method to measure grounding resistance (R): 0.000Ω ~ 30000Ω
	Selection method to measure grounding resistance (Re): 0.00Ω ~ 3000Ω
	Double clamp method to measure grounding resistance (Re): 0.01Ω ~ 200Ω
	Double clamp method to measure grounding resistance (Re): 0.01Ω ~ 200Ω
	Ground voltage (50Hz / 60Hz): AC 0.0 ~ 100.0V
	Alternating current (50Hz / 60Hz): AC 0.00mA ~ 600.0A
Highest resolution	Two, three, four wire method to measure grounding resistance (Re), DC resistance:0.001Ω(0.000Ω~29.999Ω); 0.01Ω(30.00Ω~299.99Ω) 0.1Ω(300.0Ω~2999.9Ω);1Ω(3000Ω~30000Ω)
	Selection method for measuring grounding resistance (Re):    0.01Ω(0.00Ω~29.99Ω);0.1Ω(30.0Ω~299.9Ω) 1Ω(300Ω~3000Ω)
	Double clamp method to measure grounding resistance (Re): 0.01Ω(0.01Ω~0.99Ω);0.1Ω(1.0Ω~29.9Ω) 1Ω(30Ω~200Ω)
	Soil resistivity (ρ): 0.01Ωm(0.00Ωm~99.99Ωm) 0.1Ωm(100.0Ωm~999.9Ωm) 1Ωm(1000Ωm~9999Ωm) 10Ωm(10.00kΩm ~99.99kΩm) 100Ωm(100.0kΩm~999.9kΩm) 1kΩm(1000kΩm~9000kΩm)
	Ground voltage(50Hz/60Hz): 0.1V
	AC current(50Hz/60Hz): 0.01mA
Precision	Two, three, four wire method to measure grounding resistance (Re), DC resistance (R-): ±2%rdg±0.05Ω (0.000Ω~29.999Ω) ±2%rdg±3dgt (30.00Ω~299.99Ω) ±2%rdg±3dgt (300.0Ω~2999.9Ω) ±4%rdg±3dgt (3.000kΩ~30.00kΩ) Note: 1. Additional error at rC max or rP max≤±5%rdg±5dgt.(rC max:4kΩ+100R<50kΩ, rP max:4kΩ+100R<50kΩ) 2. Additional error at 5V interference voltage≤±5%rdg±5dgt
	Selection method for measuring grounding resistance (Re): ±2%rdg±5dgt(0.00Ω~29.99Ω) ±2%rdg±3dgt(30.0Ω~299.9Ω) ±2%rdg±3dgt (300Ω~3000Ω)
	Double clamp method to measure grounding resistance (Re): ±10%rdg±5dgt(0.01Ω~100Ω) ±20%rdg±5dgt(101Ω~200Ω)
	Soil resistivity (ρ): according to the measurement accuracy of R (ρ=2πaR  a:1 m~100m;π=3.14)
	Ground voltage(50Hz/60Hz): ±2%rdg±3dgt
	AC current(50Hz/60Hz): ±2%rdg±3dgt
Test voltage waveform	Sine wave
Test frequency	128Hz/111Hz/105Hz/94Hz(Automatic frequency selection)
Short circuit test current	AC 20mA max
Open circuit test voltage	AC 40V max
Electrode spacing	1m~100m
Display mode	6-digit large LCD display with backlight
Measurement instructions	LED flashing indication during measurement, LCD countdown display
LCD size	128mm×75mm
LCD display	124mm×67mm
Size	Instrument size: length, width and height 320mm × 275mm × 145mm
	Current clamp: length, width and height about 220mm × 100mm × 27mm
Package dimensions	Outer package: length, width and height about 400mm × 245mm × 335mm
Standard test line	Red 15m, Black 15m, Yellow 10m, Green 10m
Simple test line	2 bars: red 1.6m, black 1.6m
Auxiliary ground rod	4 piece:φ10mm×150mm
Current clamp	2 pcs: CT1 clamp red black plug, CT2 clamp blue black plug
Current clamp caliber	φ52mm
Current clamp caliber	1000:1
Current clamp lead	Length 2m
Measure time	AC current: about 2 times / second; Ground voltage: about 2 times / second; Ground resistance: about 7 seconds / time
Measurement times	More than 5000 times (short circuit test, test once, stop for 30 seconds and then test)
Line voltage	Measurement below AC 100V
Communication Interface	With USB interface, the stored data can be uploaded to the computer, save and print
Communication line	1 USB communication line, 1.5m long
Data retention	"HOLD" symbol indicates when holding data
Data storage	2000 groups, "MEM" storage indication, display "FULL" indicates that the storage is full
Data access	"READ" symbol indicates when checking data
Overflow display	"OL" symbol indication when over-range overflow
Current clamp low current indication	When selecting the method or the double clamp method, when the current signal received by the CT2 clamp is lower than 0.5mA, the symbol "" is displayed. At this time, the clamp direction of the CT2 current clamp should be checked
Interference test	Automatically identify the interference signal, the interference voltage is higher than 5V "NOISE" symbol indication
Auxiliary ground test	With auxiliary earth resistance value test function, 0.00kΩ~30.00kΩ(100R+rC<50kΩ,100R+rP<50kΩ)
Alarm function	When the measured value exceeds the alarm setting value, "beep--beep--beep--" alarm prompt
Battery voltage	When the battery voltage is insufficient, the battery voltage low symbol is displayed to remind the battery to charge.
Automatic shut-down	Automatic shutdown after 15 minutes
Working current	Standby: 25mA Max (backlight off); Backlight: 25mA Max (separate backlight power consumption); When measuring: 150mA Max (backlight off)
Weight	Instrument: 2.66kg (including battery)
	Total weight: 7.87kg (including packaging)
Tool box	Special toolbox design, can bear 200kg
Working temperature and humidity	-10 ºC ~ 40 ºC; below 80% rh
Storage temperature and humidity	-20 ºC ~ 60 ºC; below 70% rh
Overload protection	Measurement of grounding resistance: AC 280V / 3 seconds between C (H) -E, P (S) -ES ports
Insulation resistance	20MΩ or more (500V between circuit and case)
Withstand	20MΩ or more (500V between circuit and case)
Electromagnetic characteristics	IEC61326(EMC)
Suitable for safety regulations	IEC61010-1 (CAT III 300V, CAT IV 150V, pollution degree 2); IEC61010-031; IEC61557-1 (ground resistance); IEC61557-5 (soil resistivity); JJG366-2004 (ground resistance meter); JJG1054-2009 (clamp ground resistance meter).

Features
 

1. Double clamp method, selection method, two, three, four wire method to test the grounding resistance;

2. Loop resistance, on-resistance, DC resistance, equipotential connection resistance test;

3. Soil resistivity, AC current, leakage current, ground voltage test;

4. Designed according to the new standard for meteorological lightning resistance grounding resistance test;

5. The grounding resistance test current reaches 20mA;

6. Special tool box design, durable;

7. The toolbox can be selected in black or yellow;

8. FFT technology, AFC technology, strong anti-interference ability;

9. Range: 0.000Ω ~ 30000Ω; 0 ~ 100V; 0 ~ 600A;

10. Resolution: 0.001Ω; 0.1V; 0.1mA.

Product pictures

Device display

 

 

About GDZX
     Wuhan GDZX Power Equipment Co.,Ltd. is a manufacturer of power test equipment, integrating design, production and sales, providing complete solutions for high-voltage testing and electrical testing services for various power users.The main products include:AC series resonance test device, high voltage test equipment, transformer test equipment, secondary protection / switch test equipment, cable fault tester, arrester test equipment, power metering equipment, standard source series and so on. There are many kinds of products and complete models.

 

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