GZDZHP ES8020 - Battery Internal Resistance Tester

Specification: Maximum display:0.000mΩ~3 Ω Maximum Resolution:3.100 Ω 1 uΩ Measuring current:±0.5 % measurement accuracy Maximum display:0.000V~70 V ±71.00 V Maximum Resolution:1 mV Measuring current:±0.2 % Temperature measurement accuracy: Range:-10.0℃~60.0℃ Maximum display:60.0℃ Maximum Resolution:0.1℃ Measuring current:±1.0℃ Technical Specification Function:Battery internal resistance measurement, battery 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 resolution:1 mV Temperature resolution:0.1℃ Measuring range Internal resistance measurement:0.000mΩ~3.100 Ω （4 ranges configuration） measurement: 0.000V~±71.00V (consisting of 2 ranges) Temperature measurement: -10.0℃~60.0℃ (single range configuration） Maximum input :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 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 blue-too-th 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 :The battery level is displayed in 5 bars, remin