
Designed for power companies and industrial facilities to measure the DC resistance of transformers, instrument transformers, generators, and motors during manufacturing, installation, commissioning, and preventative maintenance. It is crucial for detecting winding defects such as poor welding, loose connections, broken strands, and broken wires. It enables technicians to perform fast, accurate measurements on large transformers and induction equipment, ensuring reliable operation and preventing failures.
Response within
24 hours
Free warranty
12 month
On-line training
Support
1. Wide resistance measurement range, high resolution (0.1μΩ), and multiple current range selections;
2. Automatic testing (blind testing) function simplifies operation;
3. Comprehensive back EMF protection enhances safety. The temperature conversion function automatically converts resistance values to standard temperatures;
4. It can complete longitudinal testing of DC resistance of on-load tap changers in a single operation;
5. It offers high measurement accuracy, is interference-resistant, shock-resistant, and portable;
6. It features a 5.0-inch 65K-color touchscreen for intuitive operation;
7. It has built-in high-capacity non-volatile memory, capable of storing 500 sets of data;
8. It includes a built-in high-speed mini thermal printer for on-site printing of test results;
9. It has a built-in high-precision clock for real-time time display;
10. It supports USB storage for convenient data export.
| Test Current | Measurement Range | Accuracy |
|---|---|---|
| 20A | 100μΩ ~ 1.0Ω | ±(0.2% reading + 0.5μΩ) |
| 10A | 1mΩ ~ 2.0Ω | ±(0.2% reading + 1.0μΩ) |
| 5A | 2mΩ ~ 4.0Ω | ±(0.2% reading + 2.0μΩ) |
| 2A | 10mΩ ~ 10Ω | ±(0.2% reading + 0.01mΩ) |
| 1A | 20mΩ ~ 20Ω | ±(0.2% reading + 0.02mΩ) |
| 300mA | 100mΩ ~ 66Ω | ±(0.2% reading + 0.1mΩ) |
| 100mA | 200mΩ ~ 200Ω | ±(0.2% reading + 0.2mΩ) |
| 30mA | 2.0Ω ~ 600Ω | ±(0.2% reading + 2.0mΩ) |
| <1mA | 600Ω ~ 50kΩ | ±(0.5% reading + 1.0Ω) |