ETCR3000C 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
Large-capacity lithium battery
USB Interface

Consult Immediately

Product Introduction
Technical Parameter
Model comparison
Data download

Product Introduction

ETCR3000C 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.
ETCR3000C Digital Earth Resistance 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.
ETCR3000C Digital Earth Resistance Tester consists of host, monitoring software, test line, communication line, etc.The tester shell adopt with waterproof protection box, which is anti-collision, anti-fall and waterproof (protection level IP65), strong, safe and durable. The tester is also equipped with a large-capacity rechargeable lithium battery set, which is especially suitable for use on outdoor construction site.The host has large LCD display, white screen backlight, and bar chart indication, which is clear and obvious. At the same time, it can store 400 sets of data, realize historical query and online real-time monitoring functions through monitoring software, and dynamically display, with maximum, minimum, and average value indication, alarm value setting and alarm indication functions, and historical data reading, saving, reporting functions, etc.
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 On-site low value 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.
6. USB interface, data upload function.
7. Large-capacity lithium battery.

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

(Note: 23℃±5℃, below 75%rh)
Warning: Voltage measurement is strictly prohibited when the instrument is charged, connected to a computer, or externally powered.

2.General Specification

Power Supply	DC 7.4V 2600mAh rechargeable lithium battery, the battery is fully charged about DC 8.4V
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/111Hz/105Hz/94Hz(AFC)
Test Current	＞20mA(Sine wave)
Data Mode	Average, maximum, minimum
Line Resistance Verification	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,which makes the measurement of earth resistance more accurate.
Test Line	3 PCS: red 15m, yellow 10m, green 5m each 1 piece
Simple Test Line	2 PCS: red 1.6m, black 1.6m each 1 piece
Auxiliary Earth Rod	2 PCS: φ9mm×230mm
Measurement Time	Earth Voltage:approximately 3 times/second; earth resistance: approximately 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
Communication Interface	With USB interface, software monitoring, storage data can be uploaded to the computer, saved and printed
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,“Du-Du-Du-" Alarm prompt
Alarm Threshold Setting Range	Resistance: 0Ω~2000Ω,Voltage: 0.0V~600.0V
Automatic Shutdown	without any operation of 10 minutes, and then automatic shutdown
Battery Voltage	When the battery voltage drop to DC 7.2V±0.1V, the low battery voltage symbol is displayed to remind the battery need to be charged.
Working Current	Backlight: 25mA Max
	Standby: 25mA Max(backlight off)
	Measurement: 200mA Max(backlight off)
Tester Size	280mm×260mm×160mm
Weight	Tester: about 4730g(include battery); Total weight: about 5kg (include accessory)
Protection Level	IP65(closing)
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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ETCR3000C Digital Earth Resistance Tester

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