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FR3010 Series Digital Earth Resistance Tester

Earthing Resistance Range:0.01Ω～3000Ω Accuracy±1.5%rdg±5dgt
Ground resistance resolution: 0.01Ω
Grounding voltage range:0.01～600V AC Accuracy±1.5%rdg±3dgt
Ground voltage resolution:0.01V
Measuring Mode:Precise 3-pole measurement, simple 2-pole measurement

Earthing Resistance Range	0.01Ω～3000Ω Accuracy±1.5%rdg±5dgt
Ground resistance resolution	0.01Ω
Grounding voltage range	0.01～600V AC Accuracy±1.5%rdg±3dgt
Ground voltage resolution	0.01V
Reference conditions	23°C±5°C, 75%rh or less (Auxiliary earth resistance 100Ω±5%, voltage to ground <10V)
Function	Earth ground resistance measurement, voltage to ground measurement, low value resistance measurement
Power Supply	DC 6V 1.5V LR14 battery
Backlight	Controllable gray screen backlight, suitable for use in dim places
Measuring Mode	Precise 3-pole measurement, simple 2-pole measurement
Measuring Method	Earth ground resistance: rated current change-pole method, Test current >20mA (sine wave)，128Hz； Voltage to ground: average value rectification
Wire Resistance Verification	Avoid error caused by testing wire that is failed to be fully inserted into tester interface or by poor contact or by users’ replacing or lengthening testing wires, making it more accurate for earth ground resistance measurement.
Display Mode	4-digital super-large LCD display, gray screen backlight
Measuring indicator	During measurement, LED flash indicator, LCD count down display
LCD Dimension	108mm×65mm
Dimension	L×W×H: 240mm×188mm×85mm
Testing Wires	Three wires: each for Red 15m, Yellow 10m, and Green 5m
Simple Testing Wire	2 wires: each for Red 1.5m and Green 1.5m
Auxiliary earthing rod	2 PCS
Measuring Rate	Voltage to ground: about 2 times/second; earth ground resistance: about 5 seconds/time
Measuring Times	Over 5000 times
Circuit Voltage	Measuring voltage to ground: measuring below AC 600V
Data Storage	500 sets, flash display “FULL” icon to indicate storage is full
Data Read	Data read function: “MR” icon display
Overflow Display	Exceeding measuring range overflow function: “OL” icon display
Alarm Function	When measuring value exceeds alarm setting value, there is beeper alarming
Battery Voltage	Battery power indicate in real time, the battery voltage is low and remind to charge in time
Power Consumption	Backlight：25mA Max
	Standby: 25mA Max(Backlight shut off)
	Measurement：70mA Max(Backlight shut off)
Weight	Tester：1230g (including battery)
	Testing Wires：610g (including simply testing wires)
	Auxiliary earthing rod：360g(2 PCS)
	Meter bag：1200g
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 E-H、E-S, AC 280V/3 seconds
Insulation Resistance	Over 10MΩ(between circuit and enclosure it is 500V)
Withstanding Voltage	AC 3700V/rms (Between circuit and enclosure)
Electromagnetic Features	IEC61010-4-3, radio frequency electromagnetic field ≤ 1V/m
Protection Type	IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、Pollution grade 2、CAT Ⅲ 300V

Function	Two, three, four-wire measure grounding resistance, soil resistivity; Ground voltage, AC voltage
Ambient temperature and humidity	23℃±5℃，below 75%rh
Power Supply	DC 9V 6-section LR14 Dry Battery Standby for more than 100 hours
Interference voltage	＜20V(should be avoided)
Interference current	<2A (should be avoided)
Measure R electrode spacing	a>5d
Measured electrode spacing	a>20h
Auxiliary Earth Resistance	Reference Conditions <100Ω, Operating Conditions <5kΩ
Range	Grounding resistance: 0.00Ω to 30.00kΩ
	Soil resistivity: 0.00Ωm～9999kΩm
	Ground voltage: 0.00V to 600.0V
Measurement Method	Precision 4-wire, 3-wire measurement, simple 2-wire grounding resistance
Measuring Methods	Grounding resistance: rated current change method Soil resistivity: four-pole method Ground voltage: average rectification (S-ES interface)
Test Frequency	128Hz
Short-circuit Test Current	AC >20mA (sine wave)
Open Circuit Test Voltage	AC 28V max
Electrode Spacing Range	can be set from 1m to 100m
Change Gear	Grounding resistance: fully automatic shifting from 0.00Ω to 30.00kΩ
	Soil resistivity: 0.00 Ωm～9000kΩm automatic shifting
Backlight	Gray screen backlight, suitable for dim places
Display Mode	4-digital super-large LCD display, blue screen backlight
Measuring Indicator	During measurement, LED flash
LCD Frame Dimension	111mm×65mm
LCD display area	108mm×65mm
Dimension	L×W×H: 240mm×188mm×85mm
Standard Test Wire	4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
Simple Test Wire	2 wires: each for yellow 1.5m and green 1.5m
Auxiliary Earthing Rod	4 PCS
Measuring Rate	Voltage to ground: about 3 times/second
	Earth resistance, soil resistivity: about 7 seconds/time
Circuit Voltage	below AC 600V(The ground voltage measurement function cannot be used to measure commercial power)
Data Storage	500 sets, “MEM” icon storage indicator, flash display “FULL” icon to indicate storage is full
Data Read	Data read function: “MR” icon display
Overflow Display	Exceeding measuring range overflow function: “OL” icon display
Alarm Function	Alarm when the measured value exceeds the alarm setting value
Battery Voltage	Low battery voltage symbol display
Automatic Shut-down	“APO” instruction, automatically shut down after 15 minutes of power on
Power Consumption	Standby: About 40mA (backlight off)
	Turn on and backlight on: about 43mA
	Measurement: about 75mA (backlight off)
Weight	Tester：1230g (including battery)
	Testing Wires：1300g
	Auxiliary earthing rod：720g(4 PCS)
Working Temperature & Humidity	-10℃～40℃；below 80%rh
Storage temperature & humidity	-20℃～60℃；below 70%rh
Overload Protection	Measuring earth ground resistance: between each interfaces of H-E、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 Degree 2); IEC61010-031; IEC61557-1 (grounding resistance); IEC61557-5 (soil resistivity); JJG 366-2004