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Basic error and performance indicator under reference condition
Measuring range/Accuracy/Resolution
Earth Resistance(R)
0.00Ω~30.00Ω/±2%rdg±3dgt/0.01Ω
30.0Ω~300.0Ω/±2%rdg±3dgt/0.1Ω
300Ω~3000Ω/±2%rdg±3dgt/1Ω
3.00kΩ~30.00kΩ/±4%rdg±3dgt/10Ω
Soil Resistivity (ρ)
0.00Ωm~99.99Ωm/(ρ=2πaRa:1 m～100m;π=3.14)/0.01Ωm
100.0Ωm~999.9Ωm/(ρ=2πaRa:1 m～100m;π=3.14) /0.1Ωm
1000Ωm~9999Ωm/ (ρ=2πaRa:1 m～100m;π=3.14)/1Ωm
Soil Resistivity (ρ)
10.00kΩm~99.99kΩm/(ρ=2πaRa:1 m～100m;π=3.14)/10Ωm
100.0kΩm~999.9kΩm/ (ρ=2πaRa:1 m～100m;π=3.14)/100Ωm
1000kΩm~9000kΩm/(ρ=2πaRa:1 m～100m;π=3.14) /1kΩm
Earth Voltage
AC 0.0~600V/±2%rdg±3dgt/0.1V
General Specification
Power Supply: DC 7.4V 2600mAh rechargeable lithium battery, the battery is fully charged about 8.4V
Backlight: Controllable white screen backlight, suitable for use in dim place
Display Mode: 4-digit max LCD display, white screen backlight
Measurement Instruction: The LED flash during the measurement, the LCD count backward, and the progress bar chart indicate
LCD Display Domain: 124mm×67mm
Measurement Range
Earth resistance: 0.00Ω~30.00kΩ
Soil Resistivity: 0.00Ωm~9000kΩm
Earth Voltage: 0V~600V
Measurement: Precision four, three-wire measurement, simple two-wire measurement method to measure earth resistance
Measuring Method
Earth resistance: rated current transformer method, measuring current 20mA Max
Soil resistivity: quadru pole method (Wenner method)
Earth voltage: average rectification (between P(S)-ES interface)
Test Frequency: 128Hz/111Hz/105Hz/94Hz(AFC)
Test Current: ＞20mA(Sine wave)
Open Circuit Test Voltage: AC 40V max
Test Voltage Waveform: Sine wave
Electrode Spacing Range: Range can be set 1m~100m
Measurement Range Gear Shift
Earth Resistance: 0.00Ω~30.00kΩ Fully automatic shifting
Soil Resistivity: 0.00Ωm~9000kΩm Fully automatic shifting
Standard Test Line: 4 pieces: red 20m, black 20m, yellow 10m, green 10m each 1 piece
Simple Test Line: 2 pieces: red 1.6m, black 1.6m each 1 piece
Auxiliary Earth Rod: 4 pieces:φ9mm×230mm(about 935g)
Measurement Time
Earth voltage: about 3 times/second
Earth resistance, soil resistivity: about 15 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
Communication Line: 1 USB communication line, 1.5m long
Memory: 300 groups, flashing "FULL”symbol indicates that the storage is full
Data Hold: Data holding function: “HOLD" symbol display
Data Access: Data access function: “READ" symbol display
Overflow Display: Over-range overflow function: “OL" symbol display
Interference Test: Automatically identify the interference signal, and the “NOISE” symbol indicates when the interference voltage is higher than 5V
Auxiliary Earth Test: With auxiliary earth resistance value test function,0.00KΩ~30kΩ(100R+rC<50kΩ,100R+rP<50kΩ)
Alarm Function: 300 groups, flashing "FULL”symbol indicates that the storage is full
Alarm Threshold Setting Range: Resistance:0Ω~9999Ω,voltage:0.0V~600.0V
Automatic Shutdown: Automatically shut down after 10 minutes of power on
Battery Voltage: When the battery voltage drop to about DC 7.2V±0.1V, the low battery voltage symbol is displayed to remind the meter that it need to be charged.
Working Current
Standby: about 20mA (backlight off)
Power on when turn on backlight: about 45mA (turn off the backlight 25mA)
Measurement: about 100mA (backlight off)
Tester Size: 280mm×260mm×160mm
Weight
Tester: About 2306g(include battery);total weight: about 6.3kg(include accessory)
Overload Protection: Measuring earth resistance: AC 280V/3 seconds between C(H)-E、P(S)-ES ports
Protection Level: IP65(closing)
Insulation Resistance: Above 20MΩ(500V between the circuit and the housing)
Withstand Voltage: AC 3700V/rms(Between the circuit and the housing)
Electromagnetic characteristics: IEC61326(EMC)
Suitable Safety Regulation: 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
