UNI-T UT677A High-precision Digital Battery Internal Resistance Tester
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Features:
Internal resistance test: 0.000mΩ~3.100Ω
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 support
Bluetooth APP (Android) support
Specification:
Features: Battery internal resistance, battery voltage, temperature measurement
Precision: 23℃±5℃, below 75%rh
Power supply: DC 3.7V lithium battery
Resistance resolution: 1uΩ
Voltage resolution: 1mV
Temperature resolution: 0.1℃
Internal resistance measurement: 0.000mΩ~3.100 Ω (4 ranges configuration)
Voltage measurement: 0.000V~±71.00V (2 ranges configuration)
Temperature measurement: -10.0℃~60.0℃ (Single range configuration)
Maximum input voltage: DC 70V (+Between measuring terminal and-measuring terminal), No input communication
Internal resistance measurement: 1KHz AC 4-terminal test method, open-circuit terminal voltage 3V max
Measurement current: 2.0mA~200mA (Different measurement currents in different ranges)
Temperature measurement: NTC temperature sensor (10KΩ at 26℃)
A/D conversion method: Successive approximation type
Display Update frequency: 5 times / second
Response time: 200ms
Measure time: About 2 seconds
LCD size: 3.5 inches; 320*240 resolution; 16-bit true color screen
Instrument size: 190*121*51mm
USB interface: The stored data can be uploaded to the computer, saved, and printed
Bluetooth connection: Yes
Hold and store function: Manual retention and storage, automatic retention and storage
Measurement judgment function: Pre-set PASS, WARNING, and FAIL judgment thresholds
Automatic shut-down: There is no operation when the machine is turned on, and it will be turned off automatically after about 15 minutes (can be turned off in the settings)
Storage temperature and humidity: -20℃～60℃; below 70%RH
Insulation resistance: Above 20MΩ (500V between circuit and case)
Resistant to pressure: AC 3700V/RMS (between circuit and case)
External magnetic field:＜40A/m
External electric field:＜1V/m