Description
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Pile Type Clamp Earth Resistance Tester with Long Jaw

Measurement Range & Accuracy(Basic Error Under Benchmark Condition)

Measurement Function	Measuring Range	Accuracy	Resolution
Clamp Tester Method To Measure Earth Resistance	0.010Ω~0.099Ω	±(1%rdg＋0.05Ω)	0.001Ω
	0.10Ω~0.99Ω	±(1%rdg＋0.05Ω)	0.01Ω
	1.0Ω~49.9Ω	±(1%rdg＋0.5Ω)	0.1Ω
	50.0Ω~99.5Ω	±(2%rdg＋0.5Ω)	0.5Ω
	100Ω~199Ω	±(5%rdg＋1Ω)	1Ω
2/3/4 Wire Method To Measure Earth Resistance	0.10Ω~20.00Ω	±2%rdg±5dgt	0.01Ω
	20.0Ω~200.0Ω	±2%rdg±5dgt	0.1Ω
	200Ω~2000Ω	±2%rdg±5dgt	1Ω
	2.00kΩ~20.00kΩ	±4%rdg±5dgt	10Ω
Selection Method To Measure Earth Resistance	0.10Ω~20.00Ω	±2%rdg±5dgt	0.01Ω
	20.0Ω~200.0Ω	±2%rdg±5dgt	0.1Ω
	200Ω~2000Ω	±2%rdg±5dgt	1Ω
Soil Resistivity	0.00Ωm~99.99Ωm	Depending on the measurement accuracy of R (ρ=2πaRa: 1 m～100m; π=3.14)	0.01Ωm
	100.0Ωm~999.9Ωm		0.1Ωm
	1000Ωm~9999Ωm		1Ωm
	10.00kΩm~99.99k		10Ωm
	100.0kΩm~999.9k		100Ωm
	1000kΩm~9999kΩm		1kΩm
Earth Voltage 50Hz/60Hz	AC 0.0V~600.0V	±2%rdg±5dgt	0.1V
Earth Current 50Hz/60Hz	0.000mA~5.000mA	±(2.5%rdg＋1mA)	0.001mA
	5.0mA~100.0mA	±(2.5%rdg＋5mA)	0.1mA
	100mA~500mA	±(2.5%rdg＋10mA)	1mA
	0.50A~20.00A	±(2.5%rdg＋0.5A)	0.01A

2.Technical Specification

Power Supply	DC 3.7V 2600mAh rechargeable lithium battery, the battery is fully charged about 4.2V
Display Mode	2.5 inch color LCD screen
Earth Resistance Measurement Method	Clamp tester method, two-wire method, three-wire method, four-wire method, selection method
Earth Resistance Range	0.00Ω~20kΩ
Soil Resistivity Range	0.00Ωm~9999kΩm
Earth Current Range	0.000mA~20A
Earth Voltage Range	0.0V~600.0V
Test Frequency	128Hz/111Hz/105Hz/94Hz(AFC Automatic frequency control)
Short Circuit Test Current	AC 10mA max
Open Circuit Test Voltage	AC 14V max
Electrode Spacing Range	1m~100m
Clamp Jaw Size	65mm×32mm
Tester Size	307mm×98mm×56mm
Tester weight	Clamp tester: about 1112g(include battery); Total weight: about 5.1kg (include accessories)
Test Line	4 PCS: red 20m, black 20m, yellow 10m, green 10m each 1 piece
Simple Testing Line	2 PCS: red 1.6m, black 1.6m each 1 piece
Auxiliary Earth Rod	4 PCS: φ9mm×230mm（935g）
Measurement Time	Earth resistance: about 15 seconds/time; earth current: about 2 times/second; earth voltage: about 2 times/second
Line Voltage	Measurement below AC 600V
Data Hold	The "HOLD" symbol indicates when holding data
Memory	500 groups, "HOLD" symbol storage indication
Data Access	The "READ" symbol indicates when viewing data
Overflow Display	When the overrange overflows, the "OL” symbol indicates
Working Current	Measurement: 600mA Max (maximum backlight)
Alarm Function	When the measured value exceeds the alarm set value, the "Du-Du-Du-" Beep alarm prompt
Alarm Threshold Setting Range	Resistance: 0Ω～2000Ω; Current: 0mA～60A; Voltage: 0V～600V
Battery Voltage	When the battery voltage drops to about DC 3.5V±0.1V,the low battery voltage symbol “” is displayed to remind the meter that it needs to be charged.
Automatic Shutdown	Automatically shut down after 5 minutes of power-on
Bluetooth Communication	With Bluetooth Communication , supports Android system.
USB Interface	With USB Interface, only for charging
Overload Protection	Measure earth resistance: C(H)-E, P(S)-ES AC 280V/3 seconds between each port
Withstand Voltage	AC 3700V/rms(Between the circuit and the housing)
Working Temperature & Humidity	-10℃~40℃; below 80%rh