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TOOLTOP IR502 ±120V 500Ω Battery Internal Resistance Tester

TOOLTOP IR502 ±120V 500Ω Battery Internal Resistance Tester 4-Wire Kelvin Test Lead-acid Lithium Nickel-cadmium Batteries Tool

Weight	1 kg

Features

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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, which can automatically adapt to the resistance range of different batteries, making it convenient for users to test.

3.2 Large-screen: it can display the main and secondary dual-digit readings at the same time, allowing users to understand the test results more clearly.

It has user self-calibration function to ensure high precision and accuracy of test results.

The device is equipped with a backlight display and LED flashlight lighting function, allowing users to operate easily in dim environments.

Powered by 1200mAH lithium battery, it is economical, environmentally friendly and practical, providing users with long-term use and convenience.

Specifications

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Voltage：0.00V~±120V

Internal Resistance Measurement：0.000mΩ~500Ω

Maximum InputVoltage：DC120V (non polarized), cannot input AC

Measuring Current：50mA~50uAAC

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 Optiona: √

Measuring Method：Four line Kelvin testing method

User Self Calibration： √

Autonomous Factory Recovery： √

Battery Selection Criteria：Lead acid batteries, lithium batteries, nickelcadmium 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

Lighting Function： √

Other Functions：Low voltage detection, white backlight automatic shutdown