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Function
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Measurement of 2/3/4-pole earth resistance, soil resistivity, earth voltage, AC voltage
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Power Supply
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DC 9V(Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours )
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Measurement Range
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Earth Resistance: 0.00Ω-30.00kΩ
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Soil Resistivity: 0.00Ωm-9000kΩm
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Measuring Mode
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Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement
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Measuring Method
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Earth Resistance: rated current change-pole method, measurement current 20mA Max
Soil Resistivity: 4-pole measurement (Wenner method)
Earth Voltage: average rectification(between P(S)-ES)
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Test Frequency
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128Hz/111Hz/105Hz/94Hz(AFC)
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Short-circuit Test Current
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AC 20mA max
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Open-circuit Test Current
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AC 40V max
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Test Voltage Wave
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Sine wave
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Electrode Distance Range
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Can be set 1m-100m
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Shift
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Earth Resistance: 0.00Ω-30.00kΩ, automatic shift
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Soil Resistivity: 0.00Ωm-9000kΩm, automatic shift
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Backlight
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Blue screen backlight, suitable for dim places
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Display Mode
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4-digital super-large LCD display, blue screen backlight
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Measuring Indicator
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During measurement, LED flash indicator, LCD count down display, progress bar indicator
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LCD Frame Dimension
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128mm×75mm
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LCD Window Dimension
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124mm×67mm
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Dimension
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L×W×H: 215mm×190mm×95mm
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Standard Test Wire
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4 wires: each for red 20m, black 20m, yellow 10m, and green 10m
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Simple Test Wire
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2 wires: each for red 1.6m and black 1.6m
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Auxiliary Earthing Rod
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4 rods: Φ10mm×150mm
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Measuring Rate
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Earth voltage: about 3 times/second
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Earth resistance, soil resistivity: about 5 seconds/time
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Measuring Times
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Over 5000 times (Short-circuit test, interval time should be at least 30 seconds)
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Line Voltage
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below AC 600V
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RS232 Interface
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Possess RS232 interface, software supervision, storage data can be uploaded to computer, saved or printed.
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Communication Wire
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One piece of RS232 communication wire, with length 1.5m
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Data Storage
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300 sets, “MEM” icon storage indicator, flash display “FULL” icon to indicate storage is full
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Data Hold
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Data hold function: “HOLD” icon display
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Data Access
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Data read function: “READ”icon display
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Overflow Display
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Exceeding measuring range overflow function: “OL” icon display
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Interference Test
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Recognize interference signal automatically, “NOISE” icon display when interference voltage exceed 5V
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Auxiliary Earthing Test
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Can measure auxiliary earth resistance, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
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Alarm Function
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When measuring value exceeds alarm setting value, there is “Toot-toot-toot” alarm hint
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Battery Voltage
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When battery voltage decreases to about 7.5V, battery voltage low icon will display, reminding to replace battery.
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Power Consumption
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Standby: about 20mA (Backlight shut off)
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Boot and with backlight: about 45mA (25mA without backlight)
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Measurement: about 100mA (Backlight shut off)
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Weight
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Total weight: 4.5kg (including package)
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Tester: 1443g (including battery)
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Tesing wires: 1560g
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Auxiliary earthing rods: 935g (4pcs)
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WorkingTemperature & Humidity
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-10℃-40℃, below 80%rh
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Storage temperature & humidity
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-20℃-60℃, below 70%rh
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Overload Protection
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Measuring earth resistance: between each interfaces of C(H)-E、P(S)-ES,AC 280V/3 seconds
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Insulation Resistance
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Over 20MΩ (between circuit and enclosure it is 500V)
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Withstanding Voltage
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AC 3700V/rms (Between circuit and enclosure)
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Electromagnetic Features
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IEC61326(EMC)
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Protection Type
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IEC61010-1 (CAT Ⅲ 300V、CAT IV 150V、Pollution 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004
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