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Earth Resistance Series
Digital Ground Resistance Tester
Function Ground resistance measurement, ground voltage measurement, low value resistance measurement
Resistance range 0.01Ω~3000Ω
Voltage range 0~100V AC
Measure mode Precision three-wire measurement, simple two-wire measurement (sine wave)
USB interface With USB interface, software monitoring, storage data can upload computer, save and print
Data storage 500 groups

ES3000数字式接地电阻测试仪主机 ES3000数字式接地电阻测试仪主机
ES3000数字式接地电阻测试仪尺寸图 ES3000数字式接地电阻测试仪尺寸图
ES3000数字式接地电阻测试仪主显屏 ES3000数字式接地电阻测试仪主显屏
ES3000数字式接地电阻测试仪仪表箱 ES3000数字式接地电阻测试仪仪表箱
ES3000数字式接地电阻测试仪配件包 ES3000数字式接地电阻测试仪配件包
Grounding resistance range 0.01Ω~3000Ω    Accuracy±1.5%rdg±3dgt
Grounding resistance resolution 0.01Ω
Grounding voltage range 0~100V AC        Accuracy±1.5%rdg±3dgt
Grounding voltage resolution 0.01V
base condition 23℃±5℃,below 75%rh   (Auxiliary grounding resistance 100Ω±5%,voltage to ground<10V)
Function Ground resistance measurement, ground voltage measurement, low value resistance measurement
Power DC 6V 4.5AhLead-acid battery, standby for more than 100 hours
Backlight Controllable gray screen backlight, suitable for use in dim places
Measuring mode Precise three-wire measurement, simple two-wire measurement
Measuring methods Grounding resistance: rated current change pole method, 128Hz;
Ground Voltage: Average Rectification
Test frequency 128Hz
Short-circuit test current > 20mA ( sine wave)
Wire resistance check Avoid the errors cause of the test line is not fully inserted into the instrument interface or the contactor is incorrectly replaced or the user replaces the extended test lead, to make the ground resistance test more accurate
Display mode 4-bit large LCD display, gray screen backlight
Measurement instructions LED flashing indicator during measurement, LCD countdown display
LCD size 108mm×65mm
Instrument size L/W/H:277.2mm×227.5mm×153mm
Test line length 3 strips:red 15m,yellow 10m,green 5m each one
Simple test line 2 strips:yellow 1.6m,green 1.6m each one
Auxiliary grounding rod 2PCS:φ10mm×200mm
Measure time Ground voltage: about 3 times/sec; grounding resistance: about 5 seconds/time
Measurement times More than 5000 times
Line voltage Measuring voltage to ground: test below AC 100V
USB interface With USB interface, software monitoring, storage data can be uploaded to the computer, save and print
Communication line One USB communication line, 1.5m long
Data storage 500 groups, "MEM" storage instructions, display "FULL" symbol indicates that the storage is full
Data review Data review function: "MR" symbol display
Overflow display Over-range overflow function: "OL" symbol display
Alarm function Alarm when the measured value exceeds the alarm setting value
Battery voltage Real-time display of battery power, reminding timely charging when battery voltage is low
Automatic shut-down "APO" indicates automatic shutdown after 15 minutes
Power consumption Standby: 40mA Max (backlight off)
Turn on backlight: 43mA Max
Measurement: 120mA Max (backlight off)
Weight Instrument: 2397g (with battery)
Test line: 850g (including simple test line)
Auxiliary grounding rods: 425g (2)
Instrument bag: 271g
Working temperature and humidity -10℃~40℃;below 80%rh
Storage temperature and humidity -20℃~60℃;below 70%rh
Overload protection Grounding resistance: AC 280V/3 seconds between E-H and E-S ports
Insulation resistance Above 10MΩ (500V between circuit and case)
Pressure resistance AC 3700V/rms(between circuit and case)
Electromagnetic properties IEC61010-4-3,Wireless frequency electromagnetic field≤1V/m
Suitable for safety regulations IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、pollution level 2、CAT Ⅲ 300V

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