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ES3030 Digital Large Ground Network Tester
- Earth resistance range:0-2000Ω
- Test frequency:45Hz、55Hz、Automatic dual frequency optional
- Short circuit test current :1A、2A、3A、4A、5A(5 file settings)
- Data storage：100 groups, "Save successfully!" Store indication, display "Save failed, space is full!" character indicates that the storage is full
- Print ：Built-in thermal printer
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 |
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 |
