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Double Clamp Grounding Resistance Tester For Field Measurement

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Double Clamp Grounding Resistance Tester For Field Measurement

Double Clamp Grounding Resistance Tester For Field Measurement
Double Clamp Grounding Resistance Tester For Field Measurement Double Clamp Grounding Resistance Tester For Field Measurement Double Clamp Grounding Resistance Tester For Field Measurement

Large Image :  Double Clamp Grounding Resistance Tester For Field Measurement

Product Details:
Place of Origin: China
Brand Name: GDZX
Certification: ISO9001
Model Number: ZXET3007
Payment & Shipping Terms:
Minimum Order Quantity: 1Set
Packaging Details: packing bag
Delivery Time: 7-20 work day
Payment Terms: L/C, T/T, Western Union, MoneyGram
Supply Ability: 1200Set/year
Detailed Product Description
Quality: Instrument: 2.66kg (including Battery) Total Mass: 6.88kg (including Packaging
Tool Box: Special Toolbox Design, Can Bear 200kg Working Temperature And Humidity: -10 ℃~40 ℃; Below 80% Rh
Storage Temperature And Humidity: -20 ℃~60 ℃; Below 70% Rh Withstand: AC 3700V / Rms(between Circuit And Case)
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For Field Measurement Double Clamp Grounding Resistance Tester

The ZXET3007 grounding resistance tester is designed and manufactured for field measurement of grounding resistance, soil resistivity, grounding voltage, and AC voltage in combination with the new lightning protection grounding resistance detection standard.

The test current reaches 20mA, using digital and micro-processing technology. Precise 4-wire method, 3-wire method and simple 2-wire method for measuring ground resistance, introducing FFT (Fast Fourier Transform) technology and AFC (Automatic Frequency Control) technology to automatically identify interference and select the measurement frequency to minimize the impact of interference, provide more accurate ground resistance value.

 

 

Features

1. This instrument is composed of host computer, data software, test line, auxiliary ground rod, communication line, etc.

2. The special toolbox design of the host, using polypropylene plastic as the raw material, adding a new type of composite filler for one-time injection molding, has low density, strength, rigidity, hardness, wear resistance, heat resistance, and insulation performance, and its box can withstand a pressure of about 200kg, to ensure high accuracy, high stability and high reliability of various environmental tests.

3. The large LCD display of the host, with backlight, bar graph indication, at a glance.

4. Can store 2000 sets of data at the same time.

5. The data software can realize the functions of historical data reading, consulting, saving, reporting, printing and so on.

 

Technical Indicators
Functions Ground resistance, soil resistivity test; ground voltage, AC voltage test
Power supply DC 7.4V 1.8Ah rechargeable lithium battery, the battery is about 8.4V
Backlight Controllable white screen backlight, suitable for use in dark places
Measurement Precision 4-wire, 3-wire method measurement, simple 2-wire measurement of grounding resistance
Measurement method Grounding resistance: rated current changing pole method, measuring current 20mA Max
Soil resistivity: quadrupole method (Wenner method)
Voltage to ground: average rectification (between P (S) -ES interface)
Range Two, three, four wire method to measure grounding resistance (R): 0.000Ω ~ 300,000Ω
Soil resistivity (Ρ): 0.00Ωm~9000kΩm
Ground voltage: AC 0.0~100.0V
Precision

Two, three, four wire method to measure grounding resistance (R):

± 2% Rdg ± 5dgt (0.000Ω~29.999Ω)

± 2% Rdg ± 3dgt (30.00Ω~2999.9Ω)

± 4% Rdg ± 3dgt (3000Ω~300000Ω)

Soil resistivity (Ρ): according to the measurement accuracy of R (Ρ=2πaR A: 1 M~100m; Π=3.14)
Ground voltage: ± 2% Rdg ± 3dgt

Note: 1. The additional error when RC Max or RP Max is ≤ ± 5% Rdg ± 5dgt. (RC Max: 4kΩ + 100R<50kΩ, RP Max: 4kΩ + 100R<50kΩ)

2. Additional error at 5V interference voltage ≤ ± 5% Rdg ± 5dgt.

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

 

 

Gear shift

Grounding resistance: 0.000Ω~300,000Ω automatic gear shift
Soil resistivity: 0.00Ωm ~ 9000kΩm automatic gear shift
LCD 6-digit LCD display, white screen backlight
LCD size 128mm × 75mm
LCD display field 124mm × 67mm
Measurement instructions LED flashing indication during measurement, LCD countdown, progress bar graph indication
Charging instructions The indicator light on the charger lights red when charging, and lights green when fully charged
Size Instrument size: length, width and height 320mm×275mm×145mm
Outer packing size: 400mm×245mm×335mm
Standard test line 4 bars: red 15m, black 15m, yellow 10m, green 10m each
Simple test line 2 bars: red 1.6m, one black 1.6m each
Auxiliary ground rod 4 pieces: Φ10mm×150mm
Measure time Ground voltage: about 2 times/second; ground resistance: about 7 seconds/time; soil resistivity: 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 600V
Communication Interface With RS232 interface, the stored data can be uploaded to the computer, saved and printed
Communication line RS232 communication line, 1.5m 1 piece
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
Interference test Automatically identify the interference signal, the interference voltage is higher than 5V "NOISE" symbol indication
Auxiliary ground test With auxiliary earth resistance 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)
Quality Instrument: 2.66kg (including battery)
Total mass: 6.88kg (including packaging)
Tool box Special toolbox design, can bear 200kg
Working temperature and humidity -10 ℃~40 ℃; below 80% Rh
Storage temperature and humidity -20 ℃~60 ℃; 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 AC 3700V / Rms(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); JJG 366-2004 (ground resistance meter)

 

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Contact Details
Wuhan GDZX Power Equipment Co., Ltd

Contact Person: Linda

Tel: +8613886061946

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