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Digital Earth Resistance Testers Megger Electrical

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Digital Earth Resistance Testers Megger Electrical Megger 

Features: 

Clamp Jaw Size:65mm×32mm
Earth Resistance Range:0.00Ω~200kΩ
Soil Resistivity Range:0.00Ωm~9999kΩm
Earth Current Range:0.000mA~20A
Earth Voltage Range:0.0V~600.0V
Memory:Data Storage 500 Groups
Alarm Function:Alarm threshold can be set
Rechargeable Lithium Battery
Bluetooth Communication

Measurement FunctionMeasuring RangeAccuracyResolution
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
200Ω~395Ω±(10%rdg＋5Ω)5Ω
400Ω~590Ω±(15%rdg＋10Ω)10Ω
600Ω~880Ω±(20%rdg＋20Ω)20Ω
900Ω~1200Ω±(25%rdg＋30Ω)30Ω
1300Ω~1600Ω±(30%rdg＋100Ω)100Ω
2/3/4 Wire Method To
Measure Earth Resistance		0.10Ω~20.00Ω±2%rdg±5dgt0.01Ω
20.0Ω~200.0Ω±2%rdg±5dgt0.1Ω
200Ω~2000Ω±2%rdg±5dgt1Ω
2.00kΩ~20.00kΩ±4%rdg±5dgt10Ω
20.0kΩ~200.0kΩ±4%rdg±5dgt100Ω
Selection Method To
Measure Earth Resistance		0.10Ω~20.00Ω±2%rdg±5dgt0.01Ω
20.0Ω~200.0Ω±2%rdg±5dgt0.1Ω
200Ω~2000Ω±2%rdg±5dgt1Ω
Soil Resistivity0.00Ωm~99.99ΩmDepending on the measurement accuracy of R (ρ=2πaRa:1 m~100m；π=3.14)0.01Ωm
100.0Ωm~999.9Ωm0.1Ωm
1000Ωm~9999Ωm1Ωm
10.00kΩm~99.99k10Ωm
100.0kΩm~999.9k100Ωm
1000kΩm~9999kΩm1kΩm
Earth Voltage 50Hz/60HzAC 0.0V~600.0V±2%rdg±5dgt0.1V
Earth Current 50Hz/60Hz0.000mA~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
20.0A~45.0A±(2.5%rdg＋0.5A)0.1A


2.Technical Specification

Power SupplyDC 3.7V 2600mAh rechargeable lithium battery, the battery is fully charged about 4.2V
Display Mode2.5 inch color LCD screen
Earth Resistance Measurement MethodClamp tester method, two-wire method, three-wire method, four-wire method, selection method
Earth Resistance Range0.00Ω~200kΩ
Soil Resistivity Range0.00Ωm~9999kΩm
Earth Current Range0.000mA~45A
Earth Voltage Range0.0V~600.0V
Test Frequency128Hz/111Hz/105Hz/94Hz(AFC Automatic frequency control)
Short Circuit Test CurrentAC 10mA max
Open Circuit Test VoltageAC 14V max
Electrode Spacing Range1m~100m
Clamp Jaw Size65mm×32mm
Tester SizeLXWXH: 307mm×98mm×56mm
Tester weightClamp tester :about 1112g(including battery); Total weight :about 5.1kg(including accessories)
Test Line4 pieces: red 20m, black 20m, yellow 10m, green 10m each 1 piece
Simple Testing Line2 pieces: red 1.6m, black 1.6m each 1 piece
Auxiliary Earth Rod4 pieces: φ9mm×230mm（935g）
Measurement TimeEarth resistance: about 15 seconds/time; earth current: about 2 times/second; earth voltage: about 2 times/second
Line VoltageMeasurement below AC 600V
Data HoldThe ”HOLD" symbol indicates when holding data
Memory500 groups, ”HOLD" symbol storage indication
Data AccessThe ”READ" symbol indicates when viewing data
Overflow DisplayWhen the overrange overflows, the “OL” symbol indicates
Working CurrentMeasurement: 600mA Max (maximum backlight)
Alarm FunctionWhen the measured value exceeds the alarm set value, the “Du-Du-Du-"  Beep alarm prompt
Alarm Threshold Setting RangeResistance:0Ω～2000Ω; Current:0mA～60A; Voltage:V~600V
Battery VoltageWhen 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 ShutdownAutomatically shut down after 5 minutes of power-on
Bluetooth CommunicationWith Bluetooth Communication , supports Android system.
Overload ProtectionMeasure earth resistance:  C(H)-E, P(S)-ES   AC 280V/3 seconds between each port
Withstand VoltageAC 3700V/rms(Between the circuit and the housing)
Working Temperature & Humidity-10℃~40℃; below 80%rh

 

  • Availability: In Stock
  • Model: CLME-20014
  • Brand: ROKTOOLS