TS457 T459 DC 5V Voltage Internal Resistance Tester 4-Wire AC Method High-Precision Lithium Battery Electronic Load Detector

TS457 T459 DC 5V Voltage Internal Resistance Tester 4-Wire AC Method High-Precision Lithium Battery Electronic Load Detector T459 Voltage Internal Resistance Tester Features 1. Voltage and internal resistance display calibration allows users to fine-tune measurement results for precise, error-free readings 2. 20-group data storage facilitates on-site comparison analysis and future reference, boosting work efficiency 3. Supports Bluetooth connection to dedicated app for display, settings, and historical data 4. 1-9 level backlight brightness adjustment allows users to screen visibility based on conditions 5. Flexible standby time settings from 1 to 9 minutes effectively extend battery life

Parameter Precautions: Do not test AC power; do not measure voltages above 45V Power Supply: DC 5V power supply or 18650 battery or 18650 battery + power adapter board (sold separately) Operating Voltage: DC 5V (Do not exceed rated voltage) Testing Principle: AC 4-wire method Voltage Test Range: 0.001V to 45.00V Maximum Resolution: 0.001V Internal Resistance Measurement Range: 0.1mΩ to 7.999Ω Maximum Resolution: 0.1mΩ Data Logging: Supports recording 20 sets of internal resistance measurement data. The meter can store 20 sets, but only the most recent 5 sets are viewable. The app allows access to all stored data. Voltage Display Fine Adjustment: Supported Internal Resistance Display Fine Adjustment: Supported Auto Power Off: Supported with adjustable standby time from 1 to 9 minutes Backlight Brightness: 1 to 9 levels of backlight brightness adjustment Accessory ①: XH-2.54-3P red/black/yellow power supply cable, 150mm length Accessory ②: XH-2.54-4P signal acquisition cable, 400mm length

Package include Internal Resistance Tester *1 XH-2.54-3P Cable *1 XH-2.54-4P Cable *1 TS457 Voltage Internal Resistance Tester Product Features: 1. Voltage display fine-tuning: Our voltage internal resistance tester supports voltage display fine-tuning function, allowing users to make subtle adjustments to the measurement results 2. Internal resistance display fine-tuning: It also has the function of internal resistance display fine-tuning, which improves the accuracy and reliability of testing whether measuring small or large resistance values 3. The 1-9 level backlight brightness adjustment design allows users to adjust the screen brightness to the most comfortable state according to their actual situation, whether working in strong light environments or dim conditions 4. The standby time can be flexibly set from 1 to 9 minutes, and automatically enters energy-saving mode according to usage frequency, effectively extending battery life and suitable for continuous use needs in various occasions 5. Built in storage function, 5 sets of internal resistance measurement data for on-site comparison and analysis or subsequent reference, improving work efficiency and providing valuable data support for quality control and fault diagnosis

Product Parameters: Caution: Do not test AC power, do not test voltages above 45V Working voltage: DC5V (do not supply power with overvoltage) Test principle: AC 4-wire method Voltage testing range: 0.001V~45.00V, maximum resolution 0.001V Internal resistance measurement range: 0.1m Ω~6.999 Ω, maximum resolution 0.1m Ω Data recording: Supports recording 5 sets of internal resistance measurement data Voltage display fine-tuning: supported Internal Resistance Display Fine Adjustment: Supports Automatic shutdown: supports 1-9 minute standby time adjustment Backlight brightness: supports 1-9 levels of display backlight brightness adjustment Accessory ①: XH-2.54-3P red, black, and yellow power supply line, length 150mm Accessory 2: XH-2.54-4P signal acquisition cable with a length of 400mm Product size: 79.5 * 42.1 * 27.8mm Installation opening: 77 * 39.3mm Power supply method: DC5V power supply 18650 battery powered 18650 battery+power adapter board (purchased separately)

Packing List Internal resistance tester * 1 XH-2.54-3P red black yellow power supply line * 1 XH-2.54-4P signal acquisition cable * 1