TOOLTOP Battery Internal Resistance Tester, 4 Wire Kelvin Test, Lead Acid Lithium Nickel Cadmium Battery Tool, IR502 ±120V 500Ω

Characteristics of IR502:

Wide measurement range: Can measure ±120V battery voltage, 500Ω battery internal resistance, and test more types of batteries, including lead-acid batteries, lithium batteries, nickel-cadmium batteries, alkaline batteries, etc. etc.

6 Resistance range automatic switching function, can automatically adapt to the resistance range of different batteries, allowing users to conveniently test.

3.2 Large screen: The main and secondary double-digit readings can be displayed simultaneously, allowing users to understand the test results more clearly.

It has a user self-calibration function that ensures high precision and accuracy of test results.

The device is equipped with a backlit display and LED flashlight illumination function, making it easy to operate in dim environments.

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

Features and Specifications:

Voltage: 0.00V to ±120V

Internal resistance measurement: 0.000mΩ to 500Ω

Maximum input voltage: DC120V (non-polarized), no AC input

Measurement current: 50mA ~ 50uAAC

Measurement speed: 3 times/sec

Signal frequency measurement: 1KHz

Voltage range selection: automatic/manual selection

Internal resistance range selection: automatic/manual selection

Autonomous connectivity options: √

Measurement method: 4-line Kelvin test method

User self-calibration: √

Autonomous Factory Recovery: √

Battery selection criteria: lead acid battery, lithium battery, nickel cadmium battery, alkaline battery, 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 features: low voltage detection, white backlight automatic shutdown

Package List:

1 x IR502 Battery Tester

1 x Charging Cable

1 x storage cloth bag

1 x Color Package Box