UNI-T UT677A+ 内阻测试仪 (0mΩ ~ 3Ω; 0~71V)

Battery Internal resistance

0.000mΩ~3 mΩ / ±1 % fs. ±20 dgt

3.000mΩ~30 mΩ / ±0.5 % fs. ±15 dgt.

3.000mΩ~300 mΩ / ±0.5 % fs. ±15 dgt.

300mΩ~3 Ω / ±0.5 % fs. ±15 dgt.

Battery Voltage  range:

0.000V~±7 V / ±0.2 % fs. ±10 dgt.

7 V~±71.00V/ ±0.2 % fs. ±10 dgt.

Features

Function

1, Battery internal resistance measurement;

2, Battery voltage measurement

Battery types: Lead-acid battery, lithium battery, and other types of batteries.

Measurement methods: Internal resistance: 1kHz AC 4-terminal test method;

Open circuit terminal voltage: 3V max

Test Current：2.0mA~200mA (Varying range correspond to varying test currents.

refresh rate：5 times/s

Anti interference: Yes, Automatic frequency tuning: 920Hz~1080Hz

Power supply: DC 11.1V lithium battery 2600mAh

Max input voltage: DC 120V (between positive side and negative side)

Response time: 200ms

Screen: 3.5″（480*320 color screen）

Meter dimension: 170mm×115mm×65mm (L*W*H)

Data interface: Type C, save the testing data and upload it to PC

Bluetooth: YES

Data hold: Auto/Manual data hold

Data storage: 500 sets

Measurement judgment function: PASS, WARNING, FAIL judgment thresholds can be preset

Low battery indication: YES, 5 battery level

Auto power off: YES, Around 15 minutes

Weight(meter): 674.0g (batteries included)

Accuracy Guaranteed Temperature Humidity: 23℃±5℃,  <75%rh

Working temperature: -10℃～40℃；below 80%RH

Storage temperature: -20℃～60℃；below 70%RH

Puncture test: AC 3700V/RMS(between circuit and case)

External magnetic field: ＜40A/m

Suitable for safety regulations: IEC 61010; CE certificated

Datasheet