UT677A UNI-T High-precision Digital Internal Resistance Tester for Battery

UNI-T UT677A High-precision Digital Battery Internal Resistance Tester

Overview

The UNI-T UT677A is a high-precision digital battery internal resistance tester that offers fast and accurate measurements of internal resistance, voltage, and temperature. With its advanced features and user-friendly design, this device is ideal for professionals and individuals who require precise battery testing.

Features:

• Internal resistance test: 0.000mΩ~3.100Ω (High-precision measurement)
• Voltage test: 0.000V~71.00V (Wide voltage range)
• Temperature test: -10.0℃~60.0℃ (Accurate temperature measurement)
• Fast response: ≤200ms (Quick measurement results)
• Measurement result judgment function (Convenient and efficient)
• 5000 pieces of data storage & rechargeable lithium battery (Long-lasting and portable)
• PC software support (Seamless data transfer)
• Bluetooth APP (Android) support (Wireless connectivity)

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

Package includes:

• 1 x Instrumentation
• 1 x Test Cables
• 1 x USB Communication Cable
• 1 x Charger Cable