SM8124A Internal Resistance Detector Battery Testing Equipment
Product Overview
The SM8124A Battery Internal Resistance Tester is an intelligent instrument specifically designed to measure various battery resistance. It measures battery resistance in off-line mode and also includes battery voltage measurement functionality. When measuring battery resistance, it utilizes the international standard 1KHz constant current with four contactor and four-wire configuration to eliminate the effects of lead resistance and contact resistance, ensuring accurate measurements.
This instrument is suitable for internal resistance measurement of various single cells and assembled batteries including lithium-ion, nickel metal hydride, zinc manganese, lead acid, and more, enabling quick assessment of battery quality.
Key Features
- Utilizes international standard 1KHz constant current source for measurement
- Specialized four-wire probe design
- Optimized for measuring batteries with smaller positive and negative electrode plates
- Simultaneously eliminates influence of lead resistance and contact resistance
- Suitable for measuring internal resistance of various individual and combined batteries
- Enables rapid evaluation of battery quality
Technical Specifications
| Parameter |
Specifications |
| Voltage Measurement Range |
0~1.999V, 2V~19.99V, 20V~100.0V |
| Voltage Resolution |
(0~1.999V) 1mV, (2V~19.99V) 10mV, (20V~100.9V) 100mV |
| Measurement Accuracy |
±(1%+1) |
| Internal Resistance Measurement Range |
1mΩ~199.9mΩ, 200mΩ~1999mΩ, 2Ω~19.99Ω |
| Internal Resistance Resolution |
(1mΩ~199.9mΩ) 0.1mΩ, (200mΩ~1999mΩ) 1mΩ, (2Ω~19.99Ω) 10mΩ |
| Measurement Accuracy |
±(5%+1) |
| Environment Temperature |
0℃~40℃, Humidity: ≤85%RH |
| Power Supply |
One 9V battery |
| Display |
LCD |
| Low Voltage Prompt |
Yes |
| Dimensions |
130×72×30mm |
| Weight |
177g (including battery) |
Package Contents
- Meter: 1pc
- Portable Carrying Box: 1pc
- English Instruction Manual
- 9V, 6F22 Battery: 1pc
Note: For international transportation, battery may not be included.