Description
Meet the UT677A Battery Internal Resistance Tester: It's your one-stop-shop for measuring internal resistance, voltage, and temperature of rechargeable batteries like lead-acid and lithium ones. With precise AC 4-terminal testing, it ensures accurate readings, untainted by contact resistance. Say hello to hassle-free battery maintenance and your 'go-to' for battery health!
FEATURES
> Internal resistance test 0.000mΩ - 3.100 Ω
> 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
> Bluetooth APP (Android) supported
> Safety regulation IEC 61010
MEASURING 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
SPECIFICATIONS
Battery Internal Resistance Range
0.000mΩ ~ 3mΩ / ±1%fs. ±20dgt 1uΩ
3.000mΩ ~ 30mΩ / ±0.5%fs. ±15dgt. 10uΩ
3.000mΩ ~ 300mΩ / ±0.5%fs. ±15dgt. 100uΩ
300mΩ ~ 3Ω /±0.5% fs. ±15dgt. 100mΩ
Battery Voltage range
0.000V ~ ±7 V/±0.2%fs. ±10dgt. 1mV
7 V ~ ±71.00V/±0.2 % fs. ±10dgt. 1mV
Temperature range -10.0°C ~ 60.0°C (single range)/ ±1.0℃ 0.1℃
Accuracy Guaranteed Temperature Humidity 23℃±5℃, <75%rh
Screen 3.5 inches (320*240, 16-bit true colour screen)
Response time 200ms
Measuring time about 2 sec
USB interface Read real-time measurement values, read historical measurement records
Data hold and storage
Manual hold and storage, automatic hold and storage
Up to 5000 set measurement data storage
Measurement judgment function PASS, WARNING, FAIL judgment thresholds can be preset
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)
Puncture test AC 3700V/rms (between circuit and case)
External magnetic field <40A/m
External electric field <1V/m
Powered by DC 3.7V lithium battery
Size L190mm × W121mm × H51mm
Weight 480
WHAT YOU GET
1 x UT677A Battery Internal Resistance Tester
User manual
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