Product
★ Resistance Range: 0.01Ω-1500Ω |
★ Current Range: 0.00mA-40.0A |
★ Voltage Range: 0.0V~100V |
★ Ω+A same screen display |
★ Fully isolated USB technology, can be connected to the computer |
★ Real-time clock function |
★ New black screen design, luxury |
★ Quick self-test function without waiting |
★ Using fast filtering technology, strong anti-interference ability |
★ New design, long life clamp head |
★ Safe and reliable, 500 sets of storage |
Model: | ES3020 | ES3020B | ES3020E |
Resistance range: | 0.01Ω500Ω | 0.01Ω- 1200Ω | 0.01Ω-1500Ω |
Current range: | N/A | 0.00mA-20.0A | 0.00mA-40.0A |
Voltage range: | N/A | N/A | 0.0V~100V |
Resistance accuracy: | ±1%±0.01Ω | ±1%±0.01Ω | ±1%±0.01Ω |
Resistance resolution: | 0.001Ω | 0.001Ω | 0.001Ω |
Current accuracy: | N/A | ±2%±1mA | ±2%±1mA |
Currenty resolution: | N/A | 0.01mA | 0.01mA |
Function | Ground resistant test, Loop resistance test, leakage current test, grounding voltage test. |
Ambient temperature and humidity | 23℃±5℃,below 75%rh |
Range | Grounding resistance:0.01-1500Ω ±1%±0.01Ω |
Current:0.00mA-40.0A ±2%±1mA | |
Grounding voltage:0.0V~100V | |
Measurement Method | Mutual induction |
Resistance resolution | 0.001Ω |
Current resolution | 0.01mA |
Clamp Diameter | 55mm×32mm |
Clock Function | Have |
Ω+A Synchronized display | Ω+A same screen display |
Display Mode | 4-digit LCD display, black screen design |
LCD Dimension | 46mm×29mm |
Meter Dimension | W/T/H: 85mm×58mmx285mm |
Sampling Speed | About 2 times/second |
USB interface | With USB interface, software monitoring, storage data can be uploaded to the computer, save the print |
Communication Line | USB communication line 1 |
Data Storage | 500 Groups, the symbol “MEM” gives indication, “FULL” mark will flash to indicate the memory has been full |
Data Review | "MR" symbol indication when reviewing data |
Overflow Display | Exceed measurement range overflow function: “OL ” symbol display |
Interference Test | Automatic identify interference signal, "NOISE" symbol indication when the interference current is large |
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" instruction, automatic shutdown after 5 minutes boot |
Power Consumption | 50MA Max |
Weight | Instrument: 1180g (with battery) |
Working Temperature and Humidity | -10°C~40C; below 80% rh |
Insulation Resistance | 20Ω or more (500V between circuit and outside) |
Pressure Resistance | AC 3700V/rms(between circuit and outside) |
Suitable for Safety Regulations | IEC61010-1(CAT III 300V, CAT IV 150V, Pollution Degree 2); IEC61010-031; IEC61557-1 (grounding resistance) |
Model | ES3020 | ES3020B | ES3020E |
Earth resistance range | 0.00Ω~500Ω | 0.00Ω~1200Ω | 0.00Ω~1500Ω |
Current range | ○ | 0.00mA~20A | 0.00mA~40A |
Earth voltage | ○ | ○ | ● |
USB data upload function | ○ | ● | ● |
Real-time clock | ● | ● | ● |
FFT anti-interference technology | ○ | ○ | ● |
Data storage | ● | ● | ● |
Real-time indicator of battery power | ● | ● | ● |
Backlight | ● | ● | ● |
Alarm function | ● | ● | ● |
Battery voltage low indication | ● | ● | ● |
Overload protection | ● | ● | ● |
Meter | 1PC |
Meter box | 1PC |
5# battery | 4PCS |
Monitoring Software CD | 1PC |
Calibration ring | 1PC |
USB communication line | 1PC |
Manual, certificate | 1SET |