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| After-sales Service: | Yes |
| Warranty: | 1 Years |
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| Influence Quantity | Base Condition | Working Conditions | Remark |
| Ambient Temp | 23ºC±1ºC | -10ºC-40ºC | ---- |
| Ambient Humidity | 40%-60% | <80% | ---- |
| Working Voltage | 9V±0.1V | 9V±1.5V | rC,rP |
| Auxiliary Earth Resistance | <100Ω | <30kΩ | ---- |
| Interference Voltage | no | <20V | ---- |
| Interference Current | no | <2A | |
| Electrode Distance when measuring R | a>5d | a>5d | ---- |
| Electrode Distance when measuring ρ | a>20h | a>20h | ---- |
| Function | Measurement of 2/3/4-pole earth resistance, soil resistivity, earth voltage, AC voltage |
| Power Supply | DC 9V(Zi-Mn dry battery R14S 1.5V 6 PCS, continuous standby for 300 hours ) |
| Measurement Range | Earth Resistance: 0.00Ω-30.00kΩ |
| Soil Resistivity: 0.00Ωm-9000kΩm | |
| Measuring Mode | Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement |
| Measuring Method | 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) |
| Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) |
| Short-circuit Test Current | AC 20mA max |
| Open-circuit Test Current | AC 40V max |
| Test Voltage Wave | Sine wave |
| Electrode DistanceRange | Can be set 1m-100m |
| Shift | Earth Resistance: 0.00Ω-30.00kΩ, automatic shift |
| Soil Resistivity: 0.00Ωm-9000kΩm, automatic shift | |
| Backlight | Blue screen backlight, suitable for dim places |
| Display Mode | 4-digital super-large LCD display, blue screen backlight |
| Measuring Indicator | During measurement, LED flash indicator, LCD count down display, progress bar indicator |
| LCD Frame Dimension | 128mm×75mm |
| LCD Window Dimension | 124mm×67mm |
| Dimension | L×W×H: 215mm×190mm×95mm |
| Standard Test Wire | 4 wires: each for red 20m, black 20m, yellow 10m, and green 10m |
| Simple Test Wire | 2 wires: each for red 1.6m and black 1.6m |
| Auxiliary Earthing Rod | 4 rods: Φ10mm×150mm |
| Measuring Rate | Earth voltage: about 3 times/second |
| Earth resistance, soil resistivity: about 5 seconds/time | |
| Measuring Times | Over 5000 times (Short-circuit test, interval time should be at least 30 seconds) |
| Line Voltage | below AC 600V |
| RS232 Interface | Possess RS232 interface, software supervision, storage data can be uploaded to computer, saved or printed. |
| Communication Wire | One piece of RS232 communication wire, with length 1.5m |
| Data Storage | 300 sets, "MEM" icon storage indicator, flash display "FULL" icon to indicate storage is full |
| Data Hold | Data hold function: "HOLD" icon display |
| Data Access | Data read function: "READ"icon display |
| Overflow Display | Exceeding measuring range overflow function: "OL" icon display |
| Interference Test | Recognize interference signal automatically, "NOISE" icon display when interference voltage exceed 5V |
| Auxiliary Earthing Test | Can measure auxiliary earth resistance, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ) |
| Alarm Function | When measuring value exceeds alarm setting value, there is "Toot-toot-toot" alarm hint |
| Battery Voltage | When battery voltage decreases to about 7.5V, battery voltage low icon will display, reminding to replace battery. |
| Power Consumption | Standby: about 20mA (Backlight shut off) |
| Boot and with backlight: about 45mA (25mA without backlight) | |
| Measurement: about 100mA (Backlight shut off) | |
| Weight | Total weight: 4.5kg (including package) |
| Tester: 1443g (including battery) | |
| Tesing wires: 1560g | |
| Auxiliary earthing rods: 935g (4pcs) | |
| WorkingTemperature & Humidity | -10ºC-40ºC, below 80%rh |
| Storage temperature & humidity | -20ºC-60ºC, below 70%rh |
| Overload Protection | Measuring earth resistance: between each interfaces of C(H)-E,P(S)-ES,AC 280V/3 seconds |
| Insulation Resistance | Over 20MΩ (between circuit and enclosure it is 500V) |
| Withstanding Voltage | AC 3700V/rms (Between circuit and enclosure) |
| Electromagnetic Features | IEC61326(EMC) |
| Protection Type | IEC61010-1 (CAT 300V,CAT IV 150V,Pollution 2), IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5 (Soil resistivity), JJG 366-2004 |
| Category | Measurement Range | Intrinsic Error | 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 | According to the precision of R (ρ=2πaR a:1 m-100m, π=3.14) |
0.01Ωm |
| 100.0Ωm-999.9Ωm | 0.1Ωm | ||
| 1000Ωm-9999Ωm | 1Ωm | ||
| 10.00kΩm-99.99kΩm | 10Ωm | ||
| 100.0kΩm-999.9kΩm | 100Ωm | ||
| 1000kΩm-9000kΩm | 1kΩm | ||
| Earth Voltage | AC 0.0-600V | ±2%rdg±3dgt | 0.1V |
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