2024 Battery Testing 0~±120V: Internal Resistance Measurement for Battery Health Assessment! IR502

- Wider measurement range: ±120V battery voltage, 500Ω battery internal resistance measurement and can test more types of batteries, including lead-acid batteries, lithium batteries, nickel-cadmium batteries, alkaline batteries, etc.
- 6 Resistance Range Automatic Switching function ,automatically adapt to the resistance range of different batteries
- 3.2 clear large color screen and powered by 1200mAH lithium battery
Specifications:
Voltage：0.00V~±120V
Internal Resistance Measurement：0.000mΩ~500Ω
Maximum Input Voltage：DC120V (non polarized), cannot input AC
Measuring Current：50mA~50uA AC
Measurement Speed：3 times/second
Measure Signal Frequency：1KHz
Voltage Range Selection: Automatic/manual selection
Selection Of Internal Resistance Range: Automatic/manual selection
Autonomous Connection Optional： √
Measuring Method: 4 line Kelvin testing method
User Self Calibration： √
Autonomous Factory Recovery： √
Battery Selection Criteria: Lead acid batteries, lithium batteries, nickel cadmium batteries, alkaline batteries, etc
Screen And Size：55*57mm TN black and white screen(IR500)
55*57mm VA color screen(IR502)
Power Supply：3.7V lithium battery

[@jbravovideos]

The calibration process did not work for me

[@TOOLTOPInstruments]

Hello ,here is the calibration operation and user manual drive.google.com/file/d/15_Uz4AjeubtOqb8C_9mEXWmQezg5bkB6/view?usp=sharing
Please Enter the self calibration step; Click the▲/button, refer to the calibration point comparison table on the manual ,and select the steps that need to be calibrated

[@TOOLTOPInstruments]

Product link: www.aliexpress.com/item/1005006647528034.html

[@SaainsPhotographyFilms]

Bad Experience , Very Bad Quality Product Never Gives Correct Reading with IR502, tired every thing first I though cable might be faulty I check the cables even made a new cable but it wont give a correct reading not recommended