Function
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Description
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Function
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2/3/4-pole measurement for earth resistance, soil resistivity, earth voltage
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Power Supply
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DC 9V( Alkaline 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
Soil Resistivity: 0.00Ωm-9000kΩm
Earth Voltage: 0V~600V
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Measurement Mode
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Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement of earth resistance
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Measurement Method
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Earth Resistance: rated current change-pole method, test current 20mA Max
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Soil Resistivity: 4-pole method (Wenner method)
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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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Test Current
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> 20mA (Sine wave)
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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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Controllable white screen backlight, suitable for dim places
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Display Mode
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4-digital super-large LCD display, white screen backlight
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Measurement Indication
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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 Display Dimension
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124mm×67mm
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Meter Dimension
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215mm(L)×178mm(W)×83mm(H)
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Standard Test Wire
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4PCS: red 20m, black 20m, yellow 10m, and green 10m
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Simple Test Wire
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2PCS: red 1.6m and black 1.6m
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Auxiliary Ground Rod
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4PCS: Φ10mm×150mm
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Measurement Time
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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 measure
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Communication Interface
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USB interface, software monitoring, storage data can be uploaded to computer, saved or printed.
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Communication Cable
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1PCS USB communication cable, length 1.5m
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Data Storage
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300 groups, “MEM” symbol storage indicator, flash display “FULL” symbol indicate storage full
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Data Hold
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Data hold function: “HOLD” symbol display
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Data Read
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Data read function: “READ” symbol display
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Overflow Display
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Over range overflow function: “OL” symbol display
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Interference Test
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Recognize interference signal automatically, “NOISE” symbol display when interference voltage exceed 5V
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Auxiliary Ground Test
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With auxiliary earth resistance test function, 0.00KΩ-30KΩ(100R+rC<50kΩ, 100R+rP<50kΩ)
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Alarm Function
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Measurement value exceeds alarm setting value, will “Toot-toot-toot” alarm hint
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Battery Voltage
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While battery voltage decreases to around 7.5V, will display battery voltage low symbol“ ”, and reminding to replace the battery
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Working Current
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Standby: about 20mA (Backlight close)
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Boot up and open backlight: about 45mA (25mA backlight close)
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Measurement: about 100mA (Backlight close)
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Weight
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Tester: 950g
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Test wires: 1560g
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Auxiliary ground rods: 935g (4pcs)
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Working Temperature & 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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Withstand 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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Suitable Safety Standard
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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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