| Function | Measure grounding resistance, soil resistivity; Measurement of earth voltage, AC voltage, leakage current of AC current |
| Accuracy | 2% |
| Power Supply | DC 6V(4.5AH battery, continuous standby for 300 hours ) |
| Backlight | White screen backlight, suitable for dim places |
| Measuring Mode | Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement, selection method, double clamp method measure grounding resistance |
| Measuring Method | 2/3/4 pole method: change-pole method, measurement current 20mA Max Selection method: change-pole method, measurement current 20mA Max Double clamp method: disconnect mutual inductance method, measurement current 1mA Max Soil Resistivity: 4-pole measurement (Wenner method) DC resistance: change-pole method AC current: mutual inductance method Earth Voltage: average rectification(between P(S)-ES) |
| Measuring Rate | AC current: about 2 times/second Voltage to ground: about 2 times/second Earth resistance, soil resistivity: about 7 seconds/time |
| Measuring Times | Over 5000 times (Short-circuit test, interval time should be at least 30 seconds) |
| Earth resistance range | 0Ω - 30.00KΩ |
| Resolution | 0.01Ω/0.1Ω/1Ω/10Ω |
| Soil resistivity range | 0.00Ωm - 9999kΩm |
| Resolution | 0.01Ωm/0.1Ωm/1Ωm/10Ωm/100Ωm/1kΩm |
| Earth Voltage Range | 0 - 100V; Resolution: 0.01V |
| Clamp AC current Range | 0 - 1000A; Resolution: 0.1mA |
| Test Voltage Wave | Sine wave |
| Test Frequency | 128Hz |
| Short-circuit Test Current | AC 20mA max |
| Open-circuit Test Current | AC 40V max |
| Electrode Distance Range | set 1m-100m |
| Backlight | Yes |
| LCD display | 108mm×65mm, 4-bit LCD display, gray screen backlight |
| Communication | USB Port |
| Data Storage | 500 GROUPS |
| Alarm Function | Yes |
| Power Consumption | Standby: about 25mA Max(Backlight shut off) Boot 28mA Max(without backlight) Measurement: about 120mA Max(Backlight shut off) |
| Overload Protection | 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) |
| Withstand voltage | AC 3700V/rms. (Between circuit and enclosure) |
| Standard | 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) IEC61326(EMC) |
| Dimensions (L×W×H) (mm) | 277.2mm×227.5mm×153mm |
| Size of clamp(L×W×H) (mm) | 101mm×27mm×214mm |
| Standard Test Wire | 4 wires: each for red 15m, black 15m, yellow 10m, and green 10m |
| Simple Test Wire | 2 wires: each for red 1.5m and black 1.5m |
| Auxiliary Grounding Rod | 4 wires: Φ10mm×150mm Over 5000 times (Short-circuit test, interval time should be at least 30 seconds) |
| 1000A current clamp(Optional) | 2pcs :1 blue-black plug and 1 red-black. 50mm diameter,1000:1, 2m |
| Weight (kg) | Total weight: 8.05kg (including package) Tester: 2430g (including battery) Testing wires: 940g Auxiliary grounding rods: 935g (4pcs) |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -40°C to 70°C |
| Relative humidity | ≤90%RH |