Technical Specifications
． Range and accuracy error
rMeasurement function
rMeasurement range
rAccuracy
rResolution
rGround resistance
r(R)
&;~<>.&;
&;< >%r&;(Note)
&;
&;~<>.&;
&;<>%r&;
&;
&;~< >&;
&;<>%r&;
&;
&;~<>.&;
&;<>%r&;
&;< br/>
rSoil resistivity
r(
&r;<>)
r
&;< >~.&;
&r;<>
&;(Note)
&;<>
&;<>~.&;
&;<>
&;<>~&;
&;<>
&;<>~.&;
&;<>
&;< >~.&;
&;<>
&;<>~&;
&;<>
rGround voltage
~<> .
&;<>%r&;
Note: <>. Baseline conditions: Accuracy at R&;&;.
Working conditions<>:
&;+R＜&;;
&;+R＜&;
.Depends on the measurement accuracy of<>R&;< br/>.~；
． General specifications
r
r Function<>
> Two, three and four wires measure ground resistance and soil resistivity;
Ground voltage Measure<>
rAmbient temperature and humidity
> ℃&;<>℃%r or less
rPower supply<>
> Lead-acid battery Continuous standby<>hours
rInterference voltage
> ＜<>(should be avoided)
rInterference current
> ＜<>(should be avoided )
Electrode spacing when measuring<>R
> ＞<>
Electrode spacing when measuring&r;
> ＞<>
rAuxiliary ground resistance value
> Reference conditions<<>&;Working conditions<&;
rMeasurement<>range
Grounding Resistance: <>.&;～.&;
Soil resistivity: <>.&;～&;
Ground voltage: <>.～.
r Measurement method
> Precision<> Line, line method measurement, simple line measurement ground resistance
rMeasurement method
> Ground resistance: rated current pole change method to measure current<>
Soil resistivity: Four-pole method<>
Ground voltage: Average rectification<> (-between interfaces)
rTest frequency
>
rShort circuit test current
>
rOpen circuit test voltage
>
rTest voltage waveform
> Sine wave
rElectrode spacing range
> Can be set<>~
rShift<>
Ground resistance: <>.&;~. &; Fully automatic shifting
Soil resistivity: <>. Place use
rDisplay mode
> Extra large bit<>Display gray-white backlight
rMeasurement indication
> Measuring<>Flashing
r
Size
> &;<>
r
Display field
> &;<>
rInstrument size
>Length, width and height:<>.&;.&;
rStandard test lines
> Strips: red<>Black, yellow and green
/>
rSimple test lines
> Lines: yellow<>. Green. Each line
rAuxiliary ground rod
> Lines: &;<>&;
rMeasurement time
Voltage to ground: about <> times/second
Ground resistance, soil resistivity: about <> seconds/time
rGround voltage
The following measurements<>(The ground voltage measurement function cannot be used to measure commercial electricity)
rB
Interface
With<>B The interface software monitors and stores data and can be uploaded to the computer, saved and printed
r Communication line
B Communication line<> long.
rData storage
Group& ;<>The storage indication displays the &; symbol, indicating that the storage is full
rData review
When accessing data, the &;<>R symbol indicates
rOverflow display< br/> When over-range overflows, &;<> symbol indication
rInterference test
> Automatically identifies interference signals and when the interference voltage is higher than <>, &; symbol indication
rAuxiliary ground test
> With auxiliary ground resistance value test function<>.&;～&;(
&;+R＜&;;
&;+R＜&; )
rAlarm function
Alarm prompts when the measured value exceeds the alarm setting value
rBattery voltage
Real-time display of battery power when the battery voltage is low Reminder to charge in time
rAutomatic shutdown
&;<>Instruction to automatically shut down after power-on minutes
rPower consumption<>Standby <> (Backlight off)
Turn on the backlight<>
Measurement: <> (Backlight off)
rQuality<>
Instrument: <> (including battery)
Test lead: <>
Auxiliary ground rod: <> (root)
rOperating temperature and humidity
-℃～<>℃ ；Below %r
rStorage temperature and humidity
-℃～<>℃；Below %r
rOverload protection
> Measure ground resistance: <>-,-Between each port/second
rInsulation resistance
&; Above<>(between circuit and shell)
rWithstand voltage<>
/r(Between circuit and housing<>)
rElectromagnetic characteristics
()
rCompatible with safety regulations
-( Ⅲ<>, ,pollution degree);
-;
-(ground resistance<>);
-(soil resistivity<>);
-.
ES3001 digital ground soil resistivity tester