ETCR3200 Double Clamp Earth Resistance Tester

Main Functions

Earth Resistance Measurement,DC Resistance Measurement,Soil Resistivity Measurement,Earth Voltage Measurement,Earth Current Measurement
Earth Resistance Measurement Range:0.00Ω~30.00kΩ
DC Resistance Measurement Range:0.00Ω~30.00kΩ
Soil Resistivity Measurement Range:0.00Ωm~9000kΩm
Earth Voltage Measurement Range:AC 0.0V~100.0V
Earth Current Measurement Range:0.00mA~600.0A
Clamp Jaw Size:Φ50mm
Memory:200 sets of data storage
Alarm Function:Alarm threshold can be set
USB Interface

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Product Introduction
Technical Parameter
Model comparison
Data download

Product Introduction

ETCR3200 Double Clamp Earth Resistance Tester, also known as multi-function earth resistance tester and precision earth resistance tester, which is used for measurement of on-site measurement of earth resistance, soil resistivity, earth voltage, down lead leakage current, AC current, and DC resistance.The tester adopt digital processing technology, precision 4-wire method, 3-wire method, simple 2-wire method, selection method, and double clamp method to measure the earth resistance, which can flexibly and accurately measure any earth resistance value of various complex grounding conditions such as single-point and mesh grounding. No need to disconnect any parallel grounding electrode during parallel earth measurement, which maximize the convenience of measurement. Introducing FFT (fast Fourier transform) technology and AFC (automatic frequency control) technology, it has unique anti-interference ability and environmental adaptability, and strong consistency in repeated tests to ensure high precision, high stability and high reliability of long-term measurement.It is widely used in electric power, telecommunication, meteorology, construction, lightning protection and industrial electrical equipment industries.
ETCR3200 Double Clamp Earth Resistance Tester consists of a host, a current clamp (double clamp), data software, a test line, an auxiliary earth rod, and a communication line, etc.The large LCD display of host, with backlight and bar chart indication, data result is clear.At the same time, it can store 2000 sets of data, and through the USB interface data software, historical data can be read, consulted, saved, reported, printed and other functions.
1. The two-, three- and four-wire,selection method, and double clamp method to measure earth resistance
2.The tester adopt FFT (fast Fourier transform) technology and AFC (automatic frequency control) technology. It has unique anti-interference ability and environmental adaptability, and has strong consistency in repeated tests.
3.The host has a large LCD display, white screen backlight, and bar chart indication, which is clear.
4.Alarm function, the alarm threshold can be set.
5.Memory, 200 sets of data storage.
6.USB interface, data upload function.

Technical Parameter

1.Basic Error & Performance Indicator Under Reference Condition

Measurement Function	Measuring Range	Accuracy	Resolution
Two-three-four-wire Method To Measure Earth Resistance (Re) and DC resistance (R—)	0.00Ω~29.99Ω	±2%rdg±5dgt	0.01Ω
	30.0Ω~299.9Ω	±2%rdg±3dgt	0.1Ω
	300Ω~2999Ω	±2%rdg±3dgt	1Ω
	3.00kΩ~30.00kΩ	±4%rdg±3dgt	10Ω
Selection Method To Measure Earth Resistance (Re)	0.00Ω~29.99Ω	±2%rdg±5dgt	0.01Ω
	30.0Ω~299.9Ω	±2%rdg±3dgt	0.1Ω
	300Ω~3000Ω	±2%rdg±3dgt	1Ω
Double Clamp Method To Measure Earth Resistance (Re)	0.01Ω~0.99Ω	±10%rdg±5dgt	0.01Ω
	1.0Ω~29.9Ω		0.1Ω
	30Ω~100Ω		1Ω
Soil Resistivity(ρ)	0.00Ωm~99.99Ωm	Depending on the measurement accuracy of R(ρ=2πa Ra: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 0.0V~100.0V	±2%rdg±3dgt	0.1V
AC Current 50Hz/60Hz	AC 0.00mA~600.0A	±2%rdg±3dgt	0.01mA

2.General Specification

Power Supply	DC 9V (alkaline dry battery LR14 1.5V 6 sections)
Display Mode	4-digit max LCD display, white screen backlight
Measurement Instruction	LED flashing indication during measurement, LCD countdown display
LCD Size	128mm×75mm;LCD Display Domain 124mm×67mm
Backlight	Controllable white screen backlight, suitable for use in dim place
Measurement	Precision four-wire, three-wire measurement, simple two-wire, selection method, double clamp method to measure earth resistance
Measuring Method	Two-three-four-wire measurement: pole changing method Selection method measurement: pole changing method Double clamp method: non-contact mutual inductance measurement method Soil resistivity: quadrupole method (Wenner method) DC resistance: pole changing method AC current: average value rectification (clamp type) Earth voltage: average value rectification (between P(S)-ES interface)
Test Voltage Waveform	Sine wave
Test Frequency	128Hz/111Hz/105Hz/94Hz(Automatic frequency-selecting)
Test Current	＞20mA(Sine wave)
Open Circuit Test Voltage	AC 15V max
Electrode Spacing Range	1m~100m
Test Line	4 PCS: red 20m, black 20m, yellow 10m, green 10m each 1 piece
Simple Test Line	2 PCS: red 1.6m, black 1.6m each 1 piece
Auxiliary Earth Rod	4 PCS:φ9mm×230mm
Current Clamp	2 PCS:blue and black plug, 1 red and black plug each
Current Clamp Caliber	φ50mm
Current Clamp Size	200mm×103mm×39mm
Measurement Time	AC current: about 2 times/second; earth voltage: about 2 times/second; earth resistance: about 7 seconds/time
Line Voltage	Measurement below AC 600V
Communication Interface	With USB interface, the stored data can be uploaded to the computer through software
Data Hold	Data holding function: “HOLD" symbol display
Memory	2000 groups, flashing "FULL”symbol indicates that the storage is full
Data Access	Data access function: “READ" symbol display
Overflow Display	Over-range overflow function: “OL" symbol display
Interference Test	Automatically identify the interference signal, and the “NOISE” symbol indicates when the interference voltage is higher than 5V
Auxiliary Earth Test	With auxiliary earth resistance value test function,0.00KΩ~30kΩ(100R+rC<50kΩ,100R+rP<50kΩ)
Alarm Function	When the measured value exceed the alarm set value,“Du-Du-Du-" Alarm prompt
Alarm Threshold Setting Range	Resistance: 0Ω~9999Ω, voltage: 0.0V~100.0V, current: 0.000A~9.9999A
Battery Voltage	When the battery voltage drop to about 7.5V, the low battery voltage symbol is displayed to remind that the battery need to be replaced.
Automatic Shutdown	Automatically shut down after 15 minutes of power on
Working Current	Backlight: 25mA Max (separate backlight power consumption); standby: 25mA Max (the backlight is turned off after the tester turning on); measurement: 150mA Max (the backlight turn off)
Tester Size	215mm×178mm×83mm
Weight	Tester: About 1220g(include battery);total weight: about 5.8kg(include packing)
Overload Protection	Measuring earth resistance: AC 280V/3 seconds between C(H)-E、P(S)-ES ports
Insulation Resistance	Above 20MΩ(500V between the circuit and the housing)
Withstand Voltage	AC 3700V/rms(Between the circuit and the housing)
Electromagnetic characteristics	IEC61326(EMC)
Suitable Safety Regulation	IEC61010-1(CAT Ⅲ 300V、CAT IV 150V、pollution level 2);IEC61010-031; IEC61557-1(Earth resistance);IEC61557-5(Soil resistivity);JJG 366-2004(Earth Resistance Tester);JJG 1054-2009(Clamp Earth Resistance Tester)
Working Temperature & Humidity	-10℃～40℃; below 80%RH
Storage Temperature & Humidity	-20℃～60℃; below 70%RH

Model comparison

Product Picture	Product Model Name	Resistance Range	Soil Resistivity Range	Current Range	Voltage Range	Clamp Jaw Size	Alarm Function	Memory	Others
	ETCR3200 Double Clamp Earth Resistance Tester	0.00Ω～30.00kΩ	0.00Ωm～9000kΩm	0mA～600A	0～100V	Φ50mm	Yes	2000
	ETCR3200C Double Clamp Earth Resistance Tester	0.00Ω～300.00kΩ	0.00Ωm～9000kΩm	0mA～600A	0～200V	Φ70mm	Yes	2000	Bluetooth Communication Lithium Battery

Data download

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ETCR3200 Double Clamp Earth Resistance Tester

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