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ES8020 Battery Internal Resistance Tester
- Temperature resolution: 0.1℃
- Response time:200ms
- Measure time: About 2 seconds
- USB interface: With a USB interface, the stored data can be uploaded to the computer, saved and printed
- Bluetooth connection:Yes
Function | Battery internal resistance measurement, battery voltage measurement, temperature measurement |
Accuracy guaranteed temperature and humidity | 23℃±5℃, Below 75%rh |
Power supply | DC 3.7V lithium battery |
Resistance resolution | 1 u Ω |
Voltage resolution | 1 mV |
Temperature resolution | 0.1℃ |
Measuring range | Internal resistance measurement:0.000mΩ~3.100 Ω （4 ranges configuration） |
| Voltage measurement: 0.000V~±120.00V ( 2range configuration) |
| Temperature measurement: -10.0℃~60.0℃ (single range configuration） |
Maximum input voltage | DC 70V (between + measurement terminal and – measurement terminal), no AC input |
Measurement method | Internal resistance measurement: 1KHz AC 4-terminal test method, open-circuit terminal voltage 3V max Measuring current: 2.0mA~200mA (different measuring currents in different ranges) Temperature measurement: NTC temperature sensor (10KΩ at 26°C) A/D conversion method: successive approximation type Display update frequency: 5 times/second |
Response time | 200ms |
Measure time | About 2 seconds |
LCD Size | 70.1mm×52.6mm /3.5 inches (320*240 resolution 16-bit true color screen) |
Instrument size | 190mm×121mm×51mm |
USB interface | With a USB interface, the stored data can be uploaded to the computer, saved and printed |
Bluetooth connection | Yes |
Hold and store function | Manual retention and storage, automatic retention and storage |
Measurement judgment function | Pre-set PASS, WARNING, FAIL judgment thresholds |
Battery voltage | The battery level is displayed in 5 bars, reminding to charge in time when the battery voltage is low |
Automatic shut-down | No operation when power on, it will power off automatically after about 15 minutes (can be turned off in the settings) |
Power consumption | 300mA MIN / 500mA MAX |
Weight | Meter：480g (With battery) |
Working temperature and humidity | -10℃～40℃；below 80%RH |
Storage temperature and humidity | -20℃～60℃；below 70%RH |
Insulation resistance | Above 20MΩ (500V between circuit and case) |
Withstand voltage | AC 3700V/RMS (between circuit and case) |
External magnetic field | ＜40A/m |
External electric field | ＜1V/m |
Suitable for safety regulations | IEC 61010 |
