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ES3030 Digital Large Ground Network Tester

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Function

Ground resistance measurement, soil resistivity measurement, step voltage measurement, distributed potential measurement, contact voltage measurement

Ground resistance range

0.030~2.000Ω    Accuracy:±2%rdg±5dgt

 

0~20.00Ω        Accuracy:±2%rdg±5dgt

 

0~200.0Ω        Accuracy:±2%rdg±5dgt

 

0~2000Ω        Accuracy:±2%rdg±5dgt

Ground resistance resolution

0.001Ω

Rated measuring power

2000W

Capacity of resisting disturbance

Anti-power frequency 50hz voltage 50v

Base condition

23℃±5℃,below 70%rh   (Auxiliary ground resistance 20Ω±10%,voltage to earth<10V)

Power

AC 220V 10A (50Hz)

Backlight

Controllable gray screen backlight

Measurement mode

four-wire measurement, three-wire measurement, two-wire measurement

Measurement method

Grounding resistance: rated current method

Short circuit test current

1A、2A、3A、4A、5A(5 file settings)

Soil resistivity electrode spacing range

Can set 1m~100m

Test frequency

45Hz、55Hz、Automatic dual frequency optional

Short circuit maximum current

AC  5A±10%  Sine wave

No-load maximum voltage

AC  400V±10%  Sine wave

Display mode

7-inch touch-control color screen

Touch screen

yes

Measurement indication

Measurement progress display, measurement prompt animation display

Instrument size

L/W/H:540mm*440mm*210mm

Standard test line length

Red 15m,black 15m,yellow 10m,green 10m,yellow 1.5m,green 1.5m each one

Auxiliary grounding rob

800mm 2pcs , 200mm 2pcs

Measurement time

ground impedance:about 1min/time

Print

Built-in thermal printer

Print paper specification

57*40mm

Data storage

100 groups, “Save successfully!” Store indication, display “Save failed, space is full!” character indicates that the storage is full

Data review

yes

Overflow display

Over-range overflow function: “OL” symbol display

Automatic shut-down

no

Power consumption

Standby: <110W

 

Measure:2000W

Weight

Instrument:27kg

 

Test line、Auxiliary ground rob、 Instrument bag:5.5kg

Working temperature and humidity

-10℃~40℃;Below 80%rh

Storage temperature and humidity

-20℃~60℃;Below 70%rh

Insulation resistance

10MΩ above(Between circuit and case500V)

Pressure resistance

AC 3700V/rms(Between circuit and case)

Electromagnetic properties

IEC61010-4-3,Wireless frequency electromagnetic field≤1V/m

Suitable for Safety Regulations

IEC61010-1、IEC1010-2-31、IEC61557-1,5、IEC60529(IP54)、Pollution Degree 2、CAT Ⅲ 300V

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