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KDZR-10A Transformer DC Winding Resistance Tester
KDZR-10A Transformer DC Winding Resistance Tester

KDZR-10A Transformer DC Winding Resistance Tester

Applications:

Designed specifically for power companies and transformer factories to measure the DC resistance of transformers during manufacturing, installation, commissioning, and preventative maintenance. It is crucial for detecting winding defects in transformer coils and instrument transformers, such as poor welding, loose connections, broken strands, and potential hazards. It enables technicians to quickly perform induced resistance measurements, ensuring transformer reliability and preventing operational failures.

  • Response within
    24 hours

  • Free warranty
    12 month

  • On-line training
    Support

Profile:

KDZR-10A employs programmable linear constant current source technology, offering multiple output currents (10A to 1mA) and a wide measurement range (0.2mΩ-2kΩ). Controlled by a high-performance microcontroller, it features high accuracy (0.2%±2μΩ) and automatic self-testing and data processing functions. This fully functional device includes storage, printing, and RS232 data management, and boasts a compact and lightweight design, conforming to DL/T845.3-2004 standards.

Features:

1. Utilizing high-precision electronic measurement technology with a high-performance microcontroller, it provides stable and repeatable measurement results;
2. Dual-mode automatic/manual measurement, with current selection based on load; maximum output current up to 10A;
3. Comprehensive functionality: supports printing, storage, and real-time data viewing;
4. High-speed thermal printer, supports direct paper loading;
5. Automatic paper output with audible alarm for safety;
6. RS232 serial port for data management and paperless office integration.

Parameter:

1. Output current: 10A, 5A, 1A, 100mA, 10mA, 1mA
2. Range: 2 Ω -2kΩ (1mA range)
0.2 Ω -200 Ω (10mA range)
20m Ω -20 Ω (100mA range)
2m Ω -2 Ω (1A gear)
0.4m Ω -400m Ω (5A gear)
0.2m Ω -200m Ω (10A level)
3. Accuracy: 0.2% ± 2 μ Ω
4. Resolution: 1 μ Ω
5. Working temperature: -20~40 ℃
6. Environmental humidity: ≤ 90% RH, no condensation
7. Working power supply: AC220V ± 10%, 50HZ ± 1HZ