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Basic Error & Performance Indicator Under Reference Condition
Measurement Function
Measuring Range/Accuracy/Resolution
Earth Resistance(R) (4 Clamp Method)
0.10Ω~20.00Ω/±10%rdg±5dgt/0.01Ω
20.0Ω~200.0Ω/±10%rdg±5dgt/0.1Ω
Earth Resistance(R)
0.10Ω~20.00Ω/±2%rdg±3dgt/0.01Ω
20.0Ω~200.0Ω/±2%rdg±3dgt/0.1Ω
200Ω~2000Ω/±2%rdg±3dgt/1Ω
2.00kΩ~20.00kΩ/±4%rdg±3dgt/10Ω
Soil Resistivity (ρ)
0.00Ωm~99.99Ωm/ (ρ=2πaRa:1m~100m; π=3.14) /0.01Ωm
100.0Ωm~999.9Ωm/ (ρ=2πaRa:1m~100m; π=3.14) /0.1Ωm
1000Ωm~9999Ωm/ (ρ=2πaRa:1m~100m; π=3.14) /1Ωm
10.00kΩm~99.99kΩm/ (ρ=2πaRa:1m~100m; π=3.14) /10Ωm
100.0kΩm~999.9kΩm/ (ρ=2πaRa:1m~100m; π=3.14) /100Ωm
1000kΩm~9000kΩm/ (ρ=2πaRa:1m~100m; π=3.14) /1kΩm
Earth Current(A~)
1.00mA~50.00mA/±2%rdg±3dgt/0.01mA
0.50A~5.000A/±2%rdg±3dgt/0.001A
5.0A~500.0A/±3%rdg±3dgt/0.1A
Earth Voltage(V~)
0.0V~200.0V/±2%rdg±3dgt/0.1V
General Specification
Power Supply: DC 7.4V 5200mAh rechargeable lithium battery, the battery is fully charged about 8.4V
Display Mode: 7 inches color LCD
Measurement Instruction: LED flash during the measurement
LCD Size: 151mm×83mm
Measurement Range
Four clamp method to measure earth resistance: 200Ω
Earth resistance: 0.00Ω~20.00kΩ
Soil resistivity: 0.00Ωm~9000kΩm
Measurement: Four clamp measurement method, Precision four, three-wire measurement method, simple two-wire measurement method to measure earth resistance, AC current, earth voltage
Measuring Method: Pylon earth resistance: Four clamp measurement method
Earth resistance: rated current pole-change method, measuring current 55mA Max
Soil resistivity: Quadrupole method(Wenner)
AC current: clamp type CT, effective value acquisition
Earth voltage: component voltage, effective value acquisition
Test Frequency: 128Hz/111Hz/105Hz/94Hz(AFC)
Short Circuit Test Current: AC 55mA max
Open Circuit Test Voltage: AC 15V max
Test Voltage Waveform: Sine wave
Electrode Spacing Range: Range can be set 1m~100m
Gear Shift
Four clamp measurement method to measure earth resistance: 200Ω fully automatic gear shift
Earth resistance: 0.00Ω~20.00kΩ fully automatic gear shift
Soil resistivity: 0.00Ωm~9000kΩm fully automatic gear shift
AC current(single CT): 1.00mA~500A fully automatic gear shift
Earth voltage: 0.0V~200.0V
Standard Test Line: 4 PCS: red 20m, black 20m, yellow 10m, green 10m each 1 PCS
Simple Test Line: 2 PCS: red 1.6m, black 1.6m each 1 PCS
Auxiliary Ground Rod: 4 PCS: φ9mm×230mm(about 935g)
Measurement Time: Earth resistance, soil resistivity: about 30 seconds/time
Line Voltage: Measurement below AC 600V
Communication Interface: With USB interface, software monitoring, storage data can be uploaded to the computer, saved and printed
Printer: Built in
Memory: 100 groups, “001/100” storage instruction，"100/100" indicates that the storage is full
Overflow Display: When over-range overflow "OL" symbol display
Auxiliary Ground Test: With auxiliary grounding resistance value test function, 0.00kΩ~20kΩ(100R+rC<20kΩ，100R+rP<20kΩ)
Alarm Function: When the measured value exceed the alarm set value, the ”siren" alarm symbol prompt
Alarm Threshold Setting Range: Resistance: 0Ω~2000Ω, voltage: 0V~200V, current: 0A~600mA
Automatic Shutdown: Start up 30 minutes without any operation, and then automatic shutdown
Battery Voltage: When the battery voltage drop to about DC 7.2V±0.1V, the low battery voltage symbol indicate to remind that the tester need to be charged.
Working Current
Standby: about 400mA
Measurement: about 550mA
Caliber Of Current Clamp: Φ68mm
Tester Size: 355mm×272mm×164mm
Weight
Tester: about 2765g(include battery)
Current clamp: about 500g×4 PCS
Total weight: about 9000g (include accessory)
Overload Protection: Measurement earth resistance: AC 280V/3 seconds between C(H)-E, P(S)-ES
Protection Level: IP65 (cover closed)
Insulation Resistance: Above 20MΩ(500V between the circuit and the housing)
Withstand Voltage: AC 3700V/rms (between circuit and housing)
Electromagnetic Characteristics: IEC61326(EMC)
Suitable Safety Standard: IEC61010-1(CAT Ⅲ 300V, CAT IV 150V, pollution level 2); IEC61010-031; IEC61557-1(earth resistance); IEC61557-5(soil resistivity);
JJG 366-2004
Working Temperature & Humidity: -10℃~40℃; below 80%rh
Storage Temperature & Humidity: -20℃~60℃; below 70%rh
