Battery Internal Resistance Tester - Accurate Digital Meter for Batteries, 1mΩ-10kΩ Range, LCD Display & Data Logging

Overview Battery internal resistance measurement, battery voltage measurement, temperature measurement Specifications 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 rangeInternal 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 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

• 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