Profile:
KDZR-10A is a portable DC resistance tester using a 32-bit ARM core processor for fully automatic control. It features a built-in high-capacity lithium battery that provides over 3 hours of continuous operation and supports hot-swappable batteries for extended testing time. A 7-inch sunlight-readable LCD screen, built-in thermal printer, and comprehensive software guidance ensure a user-friendly operating experience. With multiple current ranges and back EMF protection, it provides accurate and stable measurement results for various types of transformers.
Features:
1. Portable design, compact size, and lightweight;
2. High precision, anti-interference, shockproof, and easy to carry;
3. High-capacity lithium battery, hot-swappable, providing over 3 hours of continuous use;
4. 7-inch transmissive LCD display, clearly visible even in direct sunlight;
5. Built-in embedded thermal printer for convenient on-site printing;
6. Silicone buttons for comfortable touch and longer lifespan;
7. Fully functional software: includes instruction manual, key guidelines, wiring diagrams, and precautions;
8. Non-volatile clock with date display; built-in memory and USB flash drive storage, equipped with an R232/USB interface;
9. Comprehensive back EMF protection ensures safe operation;
10. Fast measurement speed, stable and accurate readings;
11. Microcomputer control: automatic calibration, current stabilization, data processing, and display;
12. Single power supply for longitudinal testing of on-load tap-changing transformers;
13. Suitable for transformers with voltage levels up to 110kV
Parameter:
Output current: 10A, 5A, 2A, 1A, 500mA, 200mA, 50mA, 20mA, <5mA.
Measurement range: 10A: 1mΩ~200mΩ; 5A: 2mΩ~500mΩ; 2A: 5mΩ~2Ω; 1A: 10mΩ~4Ω; 500mA: 100mΩ~10Ω; 200mA: 200mΩ~20Ω; 50mA: 1Ω~100Ω; 20mA: 2Ω~400Ω; <5mA: 10Ω~20kΩ.
Resolution: 1μΩ.
Accuracy: ±(0.2% reading + 5 digits) for output currents ≥20mA; ±(0.5% reading + 5 digits) for output current <5mA.
Dimensions: 300mm × 175mm × 80mm.
Weight: 3000g.
Display: 7-inch full-transmissive LCD screen.
Power supply: Built-in rechargeable lithium battery (≥3 hours operation) with AC220V charging capability.
Protection: Anti-back EMF protection.
Storage: Internal memory and USB drive support.
Interfaces: RS232 and USB.
