Function |
Use 2-wire、3-wire、4-wire test ground resistance、soil resistivity、ground voltage |
Power Supply |
1.5V (LR14) Alkaline Battery 6 Section |
Range |
Ground resistance :0.00Ω-30.00kΩ ; Resolution: 0.01Ω; Accuracy: ±2%rdg±5dgt |
Soil resistivity:0.00Ωm-9999kΩm; Resolution:0.01Ωm; Accuracy: p=2πaR |
Ground voltage:0.00V-600V AC ; Resolution:0.01V; Accuracy: ±2%rdg±3dgt |
Measurement Mode |
Precise four-wire、three-wire measurement, simple two-wire measurement test ground resistance |
Measurement Method |
Grounding resistance: rated current change pole method, test current 20mA Max Soil resistivity: quadrupole; Ground voltage: average value rectification(S-ES interface) |
Short Circuit Test Current |
AC 20mA Max |
Open Circuit Test Voltage |
AC 28V Max |
Test Voltage Waveform |
Sine wave, frequency: 128Hz |
Electrode Spacing Range |
can be set to 1m~100m |
Shift |
Automatic |
LCD Display Field |
108mm×65mm, with backlight, suitable to use in dim places |
Meter Dimension |
L/W/H: 240mm×188mmx85mm |
Standard Test Line |
6 strips: Red 15m, Black 15m, Yellow 10m, Green 10m, Yellow 1.5m, Green 1.5m each 1 strip |
Auxiliary Grounding Rod |
4 roots |
Measure Time |
Ground voltage: about 2times/second; Grounding resistance、Soil resistivity: about 7seconds/ time |
Ground Voltage |
Test below AC 600V(ground voltage measurement function cannot be used to measure commercial power) |
Data Storage |
500 groups, "MEM" storage instruction, "FULL" symbol indicates that storage is full |
Overflow Display |
Exceed measurement range overflow function: “OL ” symbol display |
Alarm Function |
Alarm when the measured value exceeds the alarm setting value |
Automatic shut-down |
"APO" instruction, automatic shutdown after 15 minutes boot |
Power Consumption |
Standby 40 mA Max (backlight off), turn on backlight: 43 mA Max, measure: 120 mA Max (backlight off) |
Weight |
Instrument: 1280g (including battery), test line: 890g (including simple test line), auxiliary grounding rod 720g (4 roots) |
Working Temperature and Humidity |
-10°C~40C; below 80% rh |
Overload Protection |
Grounding resistance: AC280V/3 seconds between E-H and E-S ports |
Insulation Resistance |
Above 20MΩ (500V between circuit and case) |
Pressure Resistance |
AC 3700V/rms(between circuit and outside) |
Electromagnetic Properties |
IEC61326(EMC) |
Suitable for Safety Regulations |
EC61010-031, IEC61557-2-31(ground resistance), IEC61557-5(soil resistivity); JJG 366-2004. |