After-sales Service: | 1 Year |
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Warranty: | 1 Year |
Ground Resistance Range: | :0.00Ω~3000Ω |
Function | Grounding resistance, low resistance test, grounding voltage test. |
Power | DC 7.4V 1.8Ah rechargeable Li-battery, battery full charge time 8h. |
Back light | Controllable white screen backlight, suitable for use in dark field. |
Testing method | Precision three wire method and simple two wire method to test grounding resistance |
Measure method | Earth Resistance: rated current change-pole method, |
Earth Voltage: average rectification(between P(S)-ES) | |
Range | 23 wire method for measuring ground resistance (R):0.00Ω~3000Ω |
Grounding voltage:AC 1~600.0V(50Hz/60Hz) | |
Max. resolution | 0.01Ω; 1V |
Accuracy | Grounding Resistance: +2% rdg+5dgt Note: 1. Auxiliary Grounding Resistance 100_+5%, Ground Voltage < 5V 2. Additional error (<5%rdg+5dgt) at 5V interference voltage |
Grounding voltage: ±2%rdg±3dgt | |
Short circuit test current | AC 20mA max |
Open circuit test voltage | AC 40V max |
LCD | 6" LCD display, white screen backlight |
LCD size | 128mm×75mm |
LCD display size | 124mm×67mm |
Testing indication | LED flashing indication in measurement.LCD count down.Progress bar chart indication |
Size | Host machine:Length Width Height 320mm×275mm×145mm |
Outer size:Length Width Height 400mm×245mm×335mm | |
Standard test wire | Total 3pcs:red wire 20m,yellow wire 10m,green wire 5m, each 1pcs |
Simple test wire | Total 2pcs:red wire 1.6m,black wire 1.6m each 1pcs |
Auxiliary grounding rod | 2 pcs:φ10mm×150mm |
Test time | Ground voltage: approx 2times/sec; ground resistance:approx 7times/sec; |
Test times | 5000times above ( short circuit test, test 1 time,Stop for 30 seconds and retest. ) |
Circuit voltage | AC 600V |
Communication port | With RS232 interface, storage data can be uploaded to the computer and saved to print. |
communication wire | RS232 communication wire 1pcs, length 1.5m |
Data save | 100 SET,"MEM"Storage instructions,display "FULL"Indicates that the storage is full. |
Data read | the "READ" symbol indicates look up data |
Interface test | Recognize interference signal automatically, "NOISE" icon display when interference voltage exceed 5V |
Alarm function | When measuring value exceeds alarm setting value, there is "Toot-toot-toot" alarm hint |
Battery voltage | When low battery, battery voltage low icon will display, reminding to charging battery. |
Working current | Standby: about 25mA (Backlight shut off); backlight:25mA Max(only backlight consumption); Measurement: about 150mA (Backlight shut off) |
Weight | Host machine:2.645kg(with battery) |
Total weight:5.95kg(with package) | |
Overload protection | Measure ground resistance :C(H)-E,P(S)-ES between each port AC 280V/3sec |
Insulation resistance | 20MΩ above(between circuit and shell 500V) |
Withstand voltage | AC 3700V/rms(between circuit and shell) |
Comply standard | IEC61010-1(CAT 300V,CAT IV 150V,pollution class2); IEC61010-031;IEC61557-1(ground resistance); IEC61557-5(soil resistivity);JJG 366-2004(ground resistance meter). |