ETCR3000 Digital Earth Resistance Tester

Main Functions

Earth resistance measurement, Earth voltage measurement
Earth resistance measurement: 0.01Ω~2000Ω
Earth voltage measurement: AC 0V~600V
Alarm function: Setting alarm threshold
Memory: 400 sets of data storage

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Product Introduction
Technical Parameter
Model comparison
Data download

Product Introduction

ETCR3000 Digital Earth Resistance Tester, also known as earth resistance tester, grounding pile type earth resistance, grounding megger, which is used for measurement of earth resistance and earth voltage.The tester adopt with digital and micro-processing technology, and the earth resistance is measured by precision 3-wire method or 2-wire method widely used in industries such as electric power, telecommunication, meteorology, oil field, construction,lightning protection and industrial electrical equipment.
ETCR3000 Digital Earth Resistance Tester consists of host, test line, etc. The Tester has unique line resistance verification function, which makes the measurement of low-value earth resistance in the field more accurate, and can avoid errors caused by change in line resistance caused by long-term use of the test line; can avoid errors caused by the test line not being fully inserted into the tester interface or poor contact, as well as the errors caused by the user replacing or lengthening the test line, etc. The tester adopt with large LCD display, white screen backlight, and a bar chart indication, which is clear and obvious. It stores 400 sets of data, with maximum, minimum, and average indicator, and has functions such as historical data reading and reviewing.
1.Precision 3-wire method or simple 2-wire method to measure earth resistance.
2. The tester has unique line resistance verification function, anti-interference ability and environmental adaptability, and the earth resistance measurement is more accurate.
3. The host has large LCD display, white screen backlight, and bar chart indication, which is clear and obvious.
4. Alarm function, setting alarm threshold.
5. Memory, 400 sets of data storage.

Technical Parameter

1.Measurement Range & Accuracy

Measurement Function	Measuring Range	Accuracy	Resolution
Earth Resistance	0.01Ω~20Ω	±2%rdg±3dgt (Auxiliary earth resistance 100Ω±5%,earth voltage <10V)	0.01Ω
	0.1Ω~200Ω		0.1Ω
	1Ω~2000Ω		1Ω
Earth Voltage	0~600V AC	±2%rdg±3dgt	1V

2.Technical 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	The LED flash to indicate during the measurement, and the LCD count down to display
LCD Size	128mm×75mm;LCD display area: 124mm×67mm
Backlight	Controllable white screen backlight, suitable for use in dim place
Measurement	Precision three-wire measurement, simple two-wire measurement
Measuring Method	Earth resistance: rated current pole-change method, measuring current 20mA Max; Earth voltage: effective value acquisition
Test Frequency	128Hz
Test Current	＞20mA(Sine wave)
Data Mode	Average, maximum, minimum
Line Resistance Verification	Avoid error caused by the test line is not fully inserted into the tester interface or poor contact, or the user replace the extended test line, etc., so that the earth resistance measurement is more accurate
Test Line	3 PCS: red 15m, yellow 10m, green 5m each 1 piece
Simple Test Line	Red 1.6m
Auxiliary Ground Rod	2 PCS:φ9mm×230mm
Measurement Time	Earth voltage: about 3 times/second; Earth resistance: about 15 seconds/time
Measurement Times	More than 5000 times (measure 10Ω in 20Ω gear, measure once, stop for 30 seconds and then test)
Line Voltage	Measurement of earth voltage: measurement below AC 600V
Memory	400 groups, flashing "FULL”symbol indicates that the storage is full
Data Hold	Data holding function: “HOLD" symbol display
Data Access	Data access function: “READ" symbol display
Overflow Display	Over-range overflow function: “OL" symbol display
Alarm Function	When the measured value exceeds the alarm set value, the LCD flashes to display the alarm symbol “”
Alarm Threshold Setting Range	Resistance:0Ω~2000Ω,Voltage:0.0V~600.0V
Battery Voltage	When the battery voltage drop to about 7.8V, the low battery voltage symbol flashes to remind to replace the battery.
Working Current	Backlight: 25mA Max
	Standby: 25mA Max(backlight off)
	Measurement: 200mA Max(backlight off)
Tester Size	215mm×178mm×83mm
Weight	Tester: about 1290g(include battery)
Weight	Total weight: about 3.05kg (include accessory)
Overload Protection	Measuring earth resistance: AC 280V/3 seconds between E-P and E-C ports
Insulation Resistance	Above 10MΩ(500V between the circuit and the housing)
Withstand Voltage	AC 3700V/rms (between circuit and housing)
Electromagnetic characteristics	IEC61010-4-3,wireless frequency electromagnetic field≤1V/m
Suitable Safety Standard	IEC61010-1,IEC1010-2-31,IEC61557-1,pollution level 2,CAT Ⅲ 300V
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	Voltage Range	Current Range	Alarm Function	Others
	ETCR3000A+ Digital Earth Resistance Tester	0.00Ω~2000Ω	--	0~200V	0mA~100A	--
	ETCR3000+ Digital Earth Resistance Tester	0.00Ω~2000Ω	--	0~200V	--	--
	ETCR3000 Digital Earth Resistance Tester	0.00Ω~2000Ω	--	0~200V	--	Yes
	ETCR3000B Digital Earth Resistance/Soil Resistivity Tester	0.00Ω~30.00kΩ	0.00Ωm~9000kΩm	0~600V	--	Yes
	ETCR3000C Digital Earth Resistance Tester	0.00Ω~2000Ω		0~200V	--	Yes	USB Communication
	ETCR3100C Digital Earth Resistance/Soil Resistivity Tester	0.00Ω~30.00kΩ	0.00Ωm~9000kΩm	0~600V	--	Yes	USB Communication Bluetooth Communication

Data download

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ETCR3000 Digital Earth Resistance Tester

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