Features of UT677A Battery Internal Resistance Tester Internal resistance test: 0.000 m~ 3.100
Voltage test: 0.000V ~± 71.00V
Temperature test: - 10.0 ~ 60.0
Fast response: 200ms Measurement result judgment function 5000 pieces of data storage & rechargeable lithium battery PC software supported UT677A USB interface Bluetooth APP (Android) supported.
1.
Internal resistance measurement: 1KHz AC 4-terminal test method, open-circuit terminal voltage 3V max
2.
Measuring current: 2.0 mA~200mA (different measuring currents in different ranges)
3.
Temperature measurement: NTC temperature sensor (10K at 26°C) 4.
A/D conversion method: successive approximation type
5.
Display update frequency: 5 times/second