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ES3050 Digital DC Resistance Tester
- DC resistance range:0.0001Ω~30.00KΩ Accuracy±1%rdg±5dgt
- Resistance resolution:0.0001Ω
- Test method:Four-wire test
- DC voltage range: 0.0V~1000V DC Accuracy±1.5%rdg±5dgt
- AC voltage range:0.0V~750V AC Accuracy±1.5%rdg±3dgt
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尺寸 | 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 |