Battery Internal Resistance Tester

Special Features:
<br>

• Function : Battery internal resistance measurement, battery voltage measurement,
temperature measurement <br>
• Accuracy guaranteed temperature and humidity : 23 °C ±5 °C , below 75%rh <br>
• Power supply DC 3.7V lithium battery <br>
• Resistance resolution 1 u Ω <br>
• Voltage resolution 1 mV <br>
• Temperature resolution 0.1 °C <br>
• Measuring range <br>
Internal resistance measurement:0.000mΩ~3.100 Ω （4 ranges configuration） <br>
Voltage measurement: 0.000V~±71.00V (consisting of 2 ranges) <br>
Temperature measurement: -10.0℃~60.0℃ (single range configuration） <br>
• Maximum input voltage DC 70V (between + measurement terminal and-measurement terminal), no AC input <br>
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 <br>
• Response time 200ms <br>
• Measure time About 2 seconds <br>
• LCD Size 70.1mm×52.6mm /3.5 inches (320*240 resolution 16-bit true color screen) <br>
• Instrument size : 190mm×121mm×51mm <br>
• USB interface : With a USB interface, the stored data can be uploaded to the computer, saved and printed <br>
• Bluetooth connection : Yes <br>
• Hold and store function : Manual retention and storage, automatic retention and storage <br>
• Measurement judgment function : Pre-set PASS, WARNING, FAIL judgment thresholds <br>
• Battery voltage The battery level is displayed in 5 bars, reminding to charge in time when the battery voltage is low <br>
• Automatic shut-down No operation when power on, it will power off automatically after about 15
minutes (can be turned off in the settings) <br>
• Power consumption 300mA MIN / 500mA MAX <br>
• Weight Meter：480g (With battery) <br>
• Working temperature and humidity -10℃～40℃；below 80%RH <br>
• Storage temperature and humidity -20℃～60℃；below 70%RH <br>
• Insulation resistance Above 20MΩ (500V between circuit and case) <br>
Withstand voltage AC 3700V/RMS (between circuit and case) <br>
• External magnetic field : ＜40A/m <br>
• External electric field : ＜1V/m <br>
• Suitable for safety regulations: IEC 61010 <br>
• Accessories : Test leads, USB cable, Charger, Software CD, Instruction Manuals,
Instruments box <br>