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DC Low resistance Series
Digital equipotential tester
Function Equipotential bonding resistance test of metal components, low-resistance resistance test, resistance test of connecting conductors between ground grids, contact resistance test, etc.
DC resistance 0.0001Ω~30.00KΩ
Resistance resolution 0.0001Ω
Test current: ≥1A
AC voltage 0.0V~750V AC
USB interface Have USB interface

ES3050数字式等电位测试仪主机 ES3050数字式等电位测试仪主机
ES3050数字式等电位测试仪尺寸图 ES3050数字式等电位测试仪尺寸图
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ES3050数字式等电位测试仪包装 ES3050数字式等电位测试仪包装
Function Equipotential bonding resistance test between metal components, low-value resistance test, resistance test of connecting conductors between ground and ground electrodes, contact resistance test, etc.
DC resistance range 0.0001Ω~30.00KΩ    Accuracy±1%rdg±5dgt
Resistance resolution 0.0001Ω
Test method Four-wire test
Test current ≥1A
Open circuit voltage ≤7V
Capacity factor Measuring capacity factor≤15W
DC voltage range 0.0V~1000V DC        Accuracy±1.5%rdg±5dgt
DC voltage resolution 0.1V
AC voltage range 0.0V~750V AC         Accuracy±1.5%rdg±3dgt
AC voltage resolution 0.1V
Power DC 6V 4.5Ah Large-capacity battery Continuous standby for more than 100 hours
Backlight Controllable gray screen backlight, suitable for use in dim places
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 Red 5m,black 5m each 2PCS
Measure time Resistance test:about 3second/time;Voltage test:about 2times/sec
USB interface With USB interface, software monitoring, storage data can be uploaded to the computer, save and print
Communication Line USB Communication Line 1PC
Data storage 500 groups,"MEM" stores indicates, the "FULL" symbol indicates that the storage 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
Automatic shut-down "APO" indicates automatic shutdown after 15 minutes
Power consumption Standby: 30mA Max(backlight off)
Turn on backlight: 43mA Max
Measure:2A Max(backlight off)
Weight Instrument: 2397g(including battery)
Test line:850g(including simple test line)
Instrument box:1200g
Working temperature and humidity -10℃~40℃;below 80%rh
Storage temperature and humidity -20℃~60℃;below 70%rh
Overload protection C1-C2 P1-P2 AC 280V/3 seconds between ports
Insulation resistance Above 10MΩ(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, CAT III 600V, pollution degree 2, JJG724-1991 "DC digital ohmmeter verification procedure", JJG166-1993 "DC resistance verification procedure", "DL/T967-2005 loop resistance tester and DC resistance fast Tester verification procedure

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