LIOKM UT677A - Battery Internal Resistance Tester Rechargeable Battery Voltage Temperature Capacitance

Product specification Battery internal resistance range 0.000m~3m / ±1%fs. ±20dgt 1u 3.000m~30m / ±0.5%fs. ±15dgt. 10u 3.000m~300m / ±0.5%fs. ±15dgt. 100u 300m~3 /±0.5%fs. ±15dgt. 100m temperature range -10.0°C~60.0°C (single range)/±1.0 Accuracy guaranteed temperature and humidity <;75%rh feature Measurement method: 1. Internal resistance measurement: 1KHz AC 4-terminal test method, open circuit terminal voltage 3 max Measuring current: 2.0mA~200mA (different measuring currents in different ranges) Display update frequency: 5 times/second Screen: 3.5 inches (320*240, 16-bit true color screen) Response time: 200ms Measuring time: about 2 seconds USB interface: read real-time measurement values, read historical measurement records application: Data retention and storage: 1. Manual hold and store, automatic hold and store Up to 5000 sets of measurement data storage 5-grid power display, reminding you to charge in time Power Consumption: Min 300mA/Max 500mA Automatic shutdown: about 15 minutes Working temperature and humidity: -10-40; below 80%RH Storage temperature and humidity: -20-60; below 70%RH Insulation resistance: more than 20M (500V between the circuit and the shell) External magnetic field: