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ES3000 Digital Earth Resistance Tester
- Resistance Range : 0.01Ω～3000Ω
- Voltage Range :0.01-100V AC
- measurement mode:Precise three-wire measurement, simple two-wire measurement
- USB interface:With USB interface, software monitoring, storage data can be uploaded to the computer, save and print
- Data storage:500 groups, flashing "FULL" symbol indicates that the memory is full
Grounding Resistance Range | 0.01Ω～3000Ω Accuracy ±1.5%rdg±5dgt |
Grounding Resistance Resolution | 0.01Ω |
Grounding Voltage Range | 0.01～100.0V AC Accuracy ±1%rdg±3dgt |
Grounding Voltage Resolution | 0.01V |
Baseline conditions | 23℃±5℃，below 75%rh (Auxiliary ground resistance 100Ω ± 5%, voltage to ground <10V) |
Function | Earth resistance measurement, ground voltage measurement, low value resistance measurement |
Power | 8.4V lithium battery (built-in) |
Backlight | Controllable gray screen backlight, suitable for use in dim places |
measurement mode | Precise three-wire measurement, simple two-wire measurement |
Measurement methods | Grounding resistance: rated current change pole method, test current > 20mA (sine wave), 128Hz； Ground Voltage: Average Rectification |
Test frequency | 128Hz |
Display mode | 4-bit large LCD display, gray screen backlight |
Measurement instructions | LED flashing indicator during measurement, LCD countdown display |
LCD size | 108mm×65mm |
Instrument size | L/W/H：277.2mm×227.5mm×153mm |
Test line length | 3 strips：red 15m，yellow10m，green 5m each one |
Simple test line | 2strips：red 1.6m，green 1.6m each one |
Auxiliary Grounding rod | 2PCS：φ10mm×200mm |
Measure time | Ground voltage：about 2 times/sec; grounding resistance: about 5 seconds/time |
Measurement times | 5000 times or more |
Line voltage | Measuring grounding voltage : AC 600V or less |
USB interface | With USB interface, software monitoring, storage data can be uploaded to the computer, save and print |
Communication Line | One USB communication line, 1.5m long |
Data storage | 500 groups, flashing “FULL” symbol indicates that the memory is full |
Data review | Data review function: “MR” symbol display |
Overflow display | Over-range overflow function: “OL” symbol display |
Alarm function | Alarm when the measured value exceeds the alarm setting value |
Battery voltage | Real-time display of battery power, reminding timely charging when battery voltage is low |
Power consumption | Backlight：25mA Max |
| Standby: 25mA Max(Backlight off) |
| measuring：70mA Max(Backlight off) |
Weight | Instrument： 2397g(含电池) |
| Test lines：861.5g(含简易测试线) |
| Auxiliary grounding rod： 425g(2根) |
| Instrument bag： 271g |
Working temperature and humidity | -10℃～40℃；below 80%rh |
Storage temperature and humidity | -20℃～60℃；below 70%rh |
Overload protection | Grounding resistance：AC 280V/3 seconds between E-H and E-S ports |
Insulation resistance | 10MΩ以上(500V between circuit and housing) |
Pressure resistance | AC 3700V/rms(between circuit and housing) |
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 level 2、CAT Ⅲ 300V |
