Wrindu Portable DC Resistance Tester
- Wrindu
- Shanghai, China
- about 10 working days
- 1000 set/month
- RDZR-310HX
The handheld transformer DC resistance tester is a compact, portable, and easy-to-use device. It can measure both inductive samples, like transformers and reactors, and resistive samples, such as copper bars, wires, and switch contacts. With fast testing speed and high accuracy, it is ideal for a wide range of testing scenarios.
Product Features
1.The power supply method is flexible. Supports lithium battery power supply and adaptive 220V AC power supply. After one charge, it can continuously complete hundreds of transformer DC resistance tests, with simple and convenient operation.
2. Excellent output performance. It has six selectable current levels, with a maximum output of 10A current and 25V voltage. The instrument also has an automatic testing function, which can automatically select the testing current based on the size of the sample.
3. Wide measurement range and high accuracy, covering a measurement range of 500μΩ to 50kΩ, with an accuracy of ± (0.2%rdg+2 dgt), and reliable measurement results.
4. Equipped with three-phase automatic testing function, it can automatically calculate the three-phase imbalance rate, simplify the testing process and data processing steps.
5. It has the function of selecting winding coil materials and converting resistance temperature.
6. Comprehensive safety protection. Equipped with multiple protection functions such as back electromotive force protection, wire breakage protection, power-off protection, overheating alarm, etc., to prevent damage to the instrument and test samples.
7. Equipped with a 5.6-inch industrial grade high brightness color LCD screen, it can display clearly even in strong sunlight, making it convenient for outdoor operation and viewing.
8. External printer (optional), convenient for on-site printing of data. Simultaneously equipped with local storage and USB storage functions.
9. Intelligent power management, automatically dimming the LCD backlight to save power when not in use for a long time, with low battery charging prompt and over discharge protection function, and the instrument can be used normally during the charging process.
Product Specifications and Technical Parameters
Item | Description |
Test current output | 10A, 5A, 1A, 100mA, 10mA, 1mA, Auto |
Resistance range | 50μΩ ~ 200mΩ @10A 10mΩ ~ 1Ω @5A 100mΩ ~ 20Ω @1A 10Ω ~ 200Ω @100mA 50Ω ~ 2kΩ @10mA 500Ω ~ 50kΩ @1mA |
Accuracy | ±(0.2%rdg+2dgt) |
Resolution | Min 0.1uΩ |
Output voltage | Max 25V |
Display | 5.6-inch industrial grade high brightness color LCD screen |
Port | RS232, chharging, USB |
Protection functions | Multiple protection functions including back electromotive force protection, wire breakage protection, power-off protection, overheating alarm, etc |
Power supply | Rechargeable lithium batteries; Charger input 100-240VAC, 50Hz/60Hz. The charging time is about 4 hours, and the usage time is more than 8 hours. |
Operating conditions | Temperature -10 ~ 50℃; Relative humidity<90%, no condensation. |








