| 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) |
| WorkingTemp. & Humidity |
-10ºC-40ºC, below 80%rh |
| Storage temp. & 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 |
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