| US$800.00-1,200.00 | 1 Piece (MOQ) |
| Influence Quantity | Base Condition | Working Conditions | Remark |
| Ambient Temp | 23ºC±1ºC | -10ºC~40ºC | ---- |
| Ambient Humidity | 40%-60% | <80% | ---- |
| Working Voltage | 7.8V±0.1V | DC 7.8V±0.6V | ---- |
| Auxiliary Earth Resistance | <100Ω | <5kΩ | |
| Interference Voltage | Should avoid | <20V | |
| Interference Current | Should avoid | <2A | |
| Electrode Distance when measuring R | a>5d | a>5d | |
| Electrode Distance when measuring ρ | a>20h | a>20h |
| Function | Measure grounding resistance, soil resistivity; DC resistance, earth voltage, alternating current , leakage current | |
| Power Supply | DC 7.4V 2600mAh rechargeable lithium battery, full of about 8.4V | |
| Backlight | Controllable screen backlight, suitable for dim places | |
| Measuring Method | DC resistance | DC resistance 2-wire method |
| DC resistance 4-wire method | ||
| Earth resistance | Earth resistance 2-wire method | |
| Earth resistance 3-wire method | ||
| Earth resistance 4-wire method | ||
| Earth resistance single clamp 3-wire method (selection method) | ||
| Earth resistance single clamp 4-wire method (selection method) | ||
| Earth resistance doule clamp method | ||
| Soil resistivity(Wenner method) | ||
| Earth current | Current clamp measurement | |
| Earth voltage | Average rectification | |
| Test Voltage Wave | Sine wave | |
| Test Frequency | 128Hz/111Hz/105Hz/94Hz(AFC) | |
| Short-circuit Test Current | AC 250mA max | |
| Open-circuit Test Current | AC 40V max | |
| Electrode Distance Range | 1m-100m | |
| Display Mode | 4-digital large LCD display, with screen backlight | |
| Measuring Indicator | During measurement, LED flash indicator, LCD countdown display | |
| LCD Frame Dimension | 128mmX75mm | |
| LCD display area | 124mmX67mm | |
| Instrument Dimension | 280mm(L) X 260mm(W) X 160mm(H) | |
| CT Size | 223mm X 120mm X 39mm | |
| 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 Grounding Rod | 4PCS: Φ10mm X150mm | |
| Current Clamp | 2PCS :1 blue-black plug and 1 red-black plug | |
| Clamp Caliber | Φ70mm | |
| Clamp Lead Wire | 2m | |
| Measuring Rate | AC current: about 2 times/second | |
| Earth Voltage: about 2 times/second | ||
| Earth resistance: about 7 seconds/time | ||
| Measuring Times | Over 5000 times (Short-circuit test, interval time should be at least 30 seconds) | |
| Line Voltage | Measurement below AC 600V | |
| Communication Interface | Bluetooth module, USB interface, storage data can be uploaded to computer, saved or printed. | |
| Communication Wire | USB communication wire X1pcs, with length 1.5m | |
| Data Hold | Data hold function: "HOLD" symbol display | |
| Data Storage | 2000 groups, "MEM" storage indicator, "FULL" symbol flash display storage is full | |
| Data Access | Data read function: "READ" symbol display | |
| Overflow Display | Exceed measuring range overflow function: "OL" symbol display | |
| Low Current Indicator of Current clamp | Measurement with selection method or double clamp, the current signal received by CT2 is lower than 0.5mA,will display" ", and should check the clamping direction of the CT2 current clamp | |
| Interference Test | Automatic identification of interference signals, "NOISE" symbol indication when the interference voltage is higher than 5V | |
| Auxiliary Grounding Test | With auxiliary grounding resistance test function, 0.00KΩ-30kΩ(100R+rC<50kΩ, 100R+rP<50kΩ) | |
| Alarm Function | Measuring value exceeds alarm setting value, will make out "Toot-toot-toot" alarm sound. | |
| Battery Voltage | While battery voltage decreases to around 7.2V±0.1V, will display battery voltage low symbol" ", and reminding to replace the battery | |
| Automatic Shutdown | Automatically shut down after 15 minutes of power on | |
| Working Current | Backlight: 25mA Max(only backlight power consumption) | |
| Standby:25mA Max(Backlight off after power on) | ||
| Measurement:150mA Max(Backlight shut off) | ||
| Weight | Tester: 2290g | |
| Current Clamp:1100g(2pcs) | ||
| Total weight: 6800g(include all accessories) | ||
| Working Temperature & Humidity | -10ºC~40ºC, below 80%RH | |
| Storage temperature & humidity | -20ºC~60ºC, below 70%RH | |
| Protection Level | IP65(close the case) | |
| Overload Protection | Measure earth resistance: between each interfaces of C(H)-E, P(S)-ES,AC 280V/3 seconds | |
| Insulation Resistance | Over 20MΩ(between circuit and outside shell is 500V) | |
| Withstanding Voltage | AC 3700V/rms. (Between circuit and outside shell) | |
| 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(Grounding resistance meter) JJG 1054-2009(Clamp grounding resistance meter) | |
| Measurement Function | Measurement Range | Accuracy | Resolution |
| 2/3/4-wire method measure earth resistance(R~) DC resistance(R--) | 0.000Ω~9.999Ω | ±2%rdg±0.05Ω | 0.001Ω |
| 10.0Ω~29.99Ω | ±2%rdg±5dgt | 0.01Ω | |
| 30.0Ω~299.9Ω | ±2%rdg±3dgt | 0.1Ω | |
| 300kΩ~2999kΩ | ±2%rdg±3dgt | 1Ω | |
| 3.00kΩ~300.00kΩ | ±4%rdg±3dgt | 10Ω | |
| Selection method measure earth resistance(Re) | 0.000Ω~9.999Ω | ±2%rdg±0.05Ω | 0.001Ω |
| 10.00Ω~29.99Ω | ±2%rdg±5dgt | 0.01Ω | |
| 30.0Ω~299.9Ω | ±2%rdg±3dgt | 0.1Ω | |
| 300Ω~3000Ω | ±2%rdg±3dgt | 1Ω | |
| Double clamp method measure grounding resistance(R~) | 0.01Ω~0.99Ω | ±10%rdg±5dgt | 0.01Ω |
| 1.0Ω~29.9Ω | 0.1Ω | ||
| 30Ω~100Ω | 1Ω | ||
| Soil Resistivity (ρ) | 0.00Ωm~99.99Ωm | According to the measurement accuracy (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 Interference Voltage (V~) (50Hz/60Hz) | AC 0.0~100V | ±2%rdg±3dgt | 0.1V |
| AC Interference current (V~)(50Hz/60Hz) | AC 0.0mA~600.0A | ±2%rdg±3dgt | 0.01mA |
| 3.1. USB interface | 3.2. Charge interface |
| 3.3. E interface (earth pole) | 3.4. ES interface (Auxiliary earth pole) |
| 3.5. P(s) interface (voltage pole) | 3.6. C (H) interface (current pole) |
| 3.7. C1 interface (dotted terminal of CT2) | 3.8. C2 interface (public interface of CT2) |
| 3.9. Interface indicator | 3.10. Test button |
| 3.11. LCD display screen | 3.12. Function selection rotary knob |
| 3.13. Function button area | 3.14. Stimulant current clamp CT1 |
| 3.15. Stimulant current clamp CT1 connecting interface, red banana plug is dotted terminal, black is public terminal | 3.16. Receive clamp CT2 |
| 3.17. Receive current clamp CT2 connecting interface, blue banana plug is dotted terminal, black is public terminal | 3.18. Simple test wires |
| 3.19. Auxiliary grounding rod | 3.20. Test wires |