| Function |
2/3/4-pole measurement for earth resistance, soil resistivity, earth voltage |
| Power Supply |
DC 9V( Alkaline dry battery LR14 1.5VX 6 PCS ) |
|
Measurement Range |
Earth Resistance: 0.00Ω~30.00kΩ |
| Soil Resistivity: 0.00Ωm~9000kΩm |
| Earth Voltage: 0V~600V |
| Measurement Mode |
Precise 4-pole measurement, 3-pole measurement, simple 2-pole measurement of earth resistance |
|
Measurement Method |
Earth Resistance: rated current change-pole method, test current 20mA Max
Soil Resistivity: 4-pole method (Wenner method)
Earth Voltage: average rectification(between P(S)-ES) |
| Test Frequency |
128Hz/111Hz/105Hz/94Hz(AFC) |
| Test Current |
>20mA (sine wave) |
| Open-circuit Test Current |
AC 40V max |
| Test Voltage Wave |
Sine wave |
| Electrode Distance Range |
Can be set 1m~100m |
|
Shift |
Earth resistance: 0.00Ω~30.00kΩ automatic shift |
| Soil Resistivity: 0.00Ωm~9000kΩm automatic shift |
| Backlight |
Controllable white screen backlight, suitable for dim places |
| Display Mode |
4-digital super-large LCD display, white screen backlight |
| Measurement Indication |
During measurement, LED flash indicator, LCD count down display, progress bar indicator |
| LCD Frame Dimension |
128mmX75mm |
| LCD Display Dimension |
124mmX67mm |
| Meter Dimension |
212mm(L)X175mm(W)X85mm(H) |
| Measurement Time |
Earth Voltage: about 3 times/second |
| |
Earth resistance, soil resistivity: about 15 seconds/time |
| Measuring Times |
Over 5000 times (Short-circuit test, interval time should be at least 30 seconds) |
| Line Voltage |
below AC 600V measure |
| Communication Interface |
USB interface, software monitoring, storage data can be
uploaded to computer, saved or printed. |
| Communication Cable |
1PCS USB communication cable, length 1.5m |
| Data Storage |
300 groups, “MEM” symbol storage indicator, flash display “FULL” symbol indicate storage full |
| Data Hold |
Data hold function: “HOLD” symbol display |
| Data Read |
Data read function: “READ” symbol display |
| Overflow Display |
Over range overflow function: “OL” symbol display |
| Interference Test |
Recognize interference signal automatically, “NOISE”
symbol display when interference voltage exceed 5V |
| Auxiliary Ground Test |
With auxiliary earth resistance test function, 0.00KΩ~30KΩ
(100R+rC<50kΩ, 100R+rP<50kΩ) |
| Alarm Function |
Measurement value exceeds alarm setting value, will “DU–DU–DU–” alarm hint |
|
Battery Voltage |
While battery voltage decreases to around 7.5V, will display battery voltage low symbol“ ”, and reminding to replace
the battery |
|
Working Current |
Standby: about 20mA (Backlight close) |
| |
Boot up and open backlight: about 45mA (25mA backlight close) |
| |
Measurement: about 100mA (Backlight close) |
|
Weight |
Tester: 1330g |
| |
Total weight: about 2.15kg (include package) |
| Working Temperature &
Humidity |
-10℃~40℃, below 80%RH |
| Storage temperature & humidity |
-20℃~60℃, 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) |
| Withstand Voltage |
AC 3700V/rms (Between circuit and enclosure) |
| Electromagnetic Features |
IEC61326(EMC) |
|
Suitable Safety Standard |
IEC61010-1 (CAT Ⅲ 300V, CAT IV 150V, Pollution 2),
IEC61010-031, IEC61557-1 (Earth resistance), IEC61557-5
(Soil resistivity), JJG 366-2004 |
