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Shenzhen Graigar Technology Co., Ltd
SHENZHEN GRAIGAR TECHNOLOGY CO.,LTD. Supplier of NDT Instruments, Environmental Testing Equipment and Digital Metal Detector
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ETCR3200 0.00 - 30.00kohm Double Clamp Grounding Resistance Tester / Ground Resistance Meter

Shenzhen Graigar Technology Co., Ltd
Shenzhen Graigar Technology Co., Ltd
City: Shenzhen
Province/State: Guangdong
Country/Region: China
Tel: 86-755-27541660
Contact Person:
Mr Lee

ETCR3200 0.00 - 30.00kohm Double Clamp Grounding Resistance Tester / Ground Resistance Meter

Brand Name : Graigar
Model Number : etcr3200
Certification : CE/ROHS/SGS/ISO9001
Place of Origin : China
MOQ : 1 piece
Price : negotiation
Payment Terms : L/C, T/T, Western Union, MoneyGram, Paypal
Supply Ability : 1000 pieces per week
Delivery Time : 2 working days after received your payment
Packaging Details : Packed in carrying case firstly, and then reinforced with export carton for outer packing
Selection method : 0.00Ω-3000Ω
Double clamp method : 0.00Ω-9000kΩ
Soil resistivity : 0.00Ω~9000kΩ
DC resistance : 0.00Ω~30.00kΩ
Power Supply : 9v
Open-circuit Test Current : AC 40V MAX
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ETCR3200 0.00-30.00kohm Double Clamp Grounding Resistance Tester Ground Resistance meter with CE certification


Ⅰ. Introduction
ETCR3200 Double Clamp Grounding Resistance Tester is specially design for the measurement of earth resistance, soil resistivity, earth voltage, leakage current of grounding line, AC current, DC resistance. Adopting the latest digital technology, precise 4-pole, 3-pole and simple 2-pole method, selection method, double clamp method to measure grounding resistance, for earth resistance measurement; large caliber clamp design, can use to measure the grounding system which adopt large-scale down conductor; can flexibly and precisely measure the value of grounding resistance in every complicated situation like single point grounding, grounding mesh; it is not need to disconnect any parallel connection pole when measuring parallel-grounding, and massively improve the convenience when measuring. Importing FFT and AFC technology, with a unique function of anti-interference capability and the ability to adapt to the environment, consistency of repeat testing, 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 resistance, soil resistivity, earth voltage, AC voltage measurement.
ETCR3200 Double Clamp Grounding Resistance Tester is composed of host machine, monitoring software, testing wires, auxiliary ground pillars, 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 2000 sets of data, fulfilling historical inquiry and online real-time monitoring through monitoring software, dynamic display, and alarm indicator, auto-shut down and with the functions like historical data access, reading, preservation, report forms, printing and so on.

Ⅱ. Technical Specifications
1. Base Conditions and Working Conditions
Influence Quantity
Base Condition
Working Conditions
Remark
Ambient Temp
23℃±1℃
-10℃-40℃
----
Ambient Humidity
40%-60%
<80%
----
Working Voltage
9V±0.1V
9V±1.5V
rC,rP
Auxiliary Earth Resistance
<100Ω
<30kΩ
----
Interference Voltage
None
<20V
----
Interference Current
none
<2A
Electrode Distance when measuring R
a>5d
a>5d
----
Electrode Distance when measuring ρ
a>20h
a>20h
----
2. General specification
Function
4-pole, 3-pole and simple 2-pole, selection, double clamp method measure grounding resistance, soil resistivity; Measurement of earth voltage, AC voltage, leakage current of AC current
Power Supply
DC 9V(Zn-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )
Caliber of clamp
Φ68mm
Measurement Range
Selection method: 0.00Ω-3000Ω
Double clamp method: 0.00Ω-9000kΩ
2/3/4 pole method:0.00Ω~30.00kΩ
Soil resistivity:0.00Ω~9000kΩ
DC resistance:0.00Ω~30.00kΩ
Earth voltage:0.0V~100.0V
AC current:0.00mA~600A
Measuring Mode
Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement, selection method, double clamp method measure grounding resistance
Measuring Method
2/3/4 pole method: change-pole method, measurement current 20mA Max
Selection method: change-pole method, measurement current 20mA Max
Double clamp method: disconnect mutual inductance method, measurement current 1mA Max
Soil Resistivity: 4-pole measurement (Wenner method)
Earth Voltage: average rectification(between P(S)-ES)
AC current: mutual inductance method
Test Frequency
128Hz/111Hz/105Hz/94Hz(AFC)
Short-circuit Test Current
AC 20mA max
Open-circuit Test Current
AC 40V max
Test Voltage Wave
Sine wave
Electrode Distance Range
Can be set 1m-100m
Shift
automatic shift
Backlight
Blue screen backlight, suitable for dim places
Display Mode
4-digital super-large LCD display, blue screen backlight
Measuring Indicator
During measurement, LED flash indicator, LCD countdown display, progress bar indicator
LCD Frame Dimension
128mm×75mm
LCD Window Dimension
124mm×67mm
Dimension
L×W×H: 215mm×190mm×95mm
Standard Test Wire
4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
Simple Test Wire
2 wires: each for red 1.6m and black 1.6m
Auxiliary Earthing Rod
4 wires: Φ10mm×150mm Over 5000 times (Short-circuit test, interval time should be at least 30 seconds)
Measuring Rate
Voltage to ground: about 2 times/second
Current to ground: about 2 times/second
Earth resistance, soil resistivity: about 5 seconds/time
Measuring Times
Over 5000 times (Short-circuit test, interval time should be at least 30 seconds)
RS232 Interface
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
2000 sets, “MEM” icon storage indicator, 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
Interference Test
Recognize interference signal automatically, “NOISE” icon display when interference voltage exceed 5V
Auxiliary Earthing Test
Can measure auxiliary earth resistance, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
Alarm Function
When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint
Battery Voltage
When battery voltage decreases to about 7.5V, battery voltage low icon will display, reminding to replace battery.
Auto-shut off
Automaticlly shut down 15minutes after booting
Power Consumption
Standby: about 20mA (Backlight shut off)
Boot and with backlight: about 45mA (25mA without backlight)
Measurement: about 100mA (Backlight shut off)
Weight
Total weight: 8.0kg (including package)
Tester: 1653g (including battery)
Testing wires: 1560g
Auxiliary earthing rods: 935g (4pcs)
Working Temperature & Humidity
-10℃-40℃, below 80%rh
Storage temperature & humidity
-20℃-60℃, below 70%rh
Overload Protection
Measuring earth 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 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004
3. Intrinsic error and performance indicators under base conditions
Function
Measurement Range
Intrinsic Error
Resolution
2/3/4 pole method measure 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
Selection method to measure grounding 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
Double clamp method to measure grounding resistance(R)
0.01Ω-1.00Ω
±10%rdg±5dgt
0.1Ω
1.0Ω-10.0Ω
±10%rdg±5dgt
0.01Ω
10Ω-100Ω
±10%rdg±5dgt
Soil Resistivity
(ρ)
0.00Ωm-99.99Ωm
According to the precision 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(50Hz/60Hz)
AC 0.0-600V
±2%rdg±3dgt
0.1V
AC current(50Hz/60Hz)
0.0mA-600.0A
±2%rdg±3dgt
0.0mA
Ⅲ.Accessory
Tester1 PC
Tester Bag1 PC
clamp2PC
Auxiliary Earthing Rod4 PCS
Standard testing Wire4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
Simple testing Wire2 wires: each for red 1.6m and black 1.6m
Zinc-manganese Dry Battery6 PCS(R14S 1.5V)
Monitoring Software Disk1 Copy
RS232 Communication Cable1 PC
Manual/Warranty Card/Qualification Certificate1 Copy

Teny


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