English
The PS-ZD20 20A Transformer DC Winding Resistance Tester is a professional-grade diagnostic instrument engineered for the precise measurement of DC resistance in medium and large-scale transformers. Utilizing high-speed SCM control and advanced power supply technology, it ensures high automation and exceptional operational simplicity, making it an essential tool for power system maintenance and quality control.
Designed for reliability and efficiency, the PS-ZD20 integrates intelligent power management and a wide testing range to accommodate diverse industrial requirements. With its robust circuit protection and seamless connectivity options, this tester provides electrical engineers with accurate data and a streamlined workflow to ensure the long-term stability of power distribution equipment.
Detailed Parameters
| Test Range (20A) | 100μΩ～1Ω | Accuracy (Standard) | ±(0.2%+2 readings) |
|---|---|---|---|
| Test Range (10A-1A) | 500μΩ～20Ω | Accuracy (10Ω-20KΩ) | ±(0.5%+2 readings) |
| Resolution | 0.1μΩ | Data Storage | 1000 groups |
| Power Supply | AC 220V±10V, 50Hz±1Hz | Max Consumption | 500W |
| Host Dimensions | 405×230×355 (mm) | Total Weight | 20.5KG (Host + Accessories) |
Key Advantages
Complete Circuit Protection
Equipped with a comprehensive protection system to ensure instrument safety and operational reliability during high-current testing.
Intelligent Power Management
Optimized to operate at minimum power state, effectively saving energy and reducing heat buildup during extended use.
Advanced SCM Control
High-speed SCM architecture allows for high automation and an intuitive user experience with minimal manual intervention.
7-Inch Touch Display
High-brightness colorful LCD touch screen provides clear visualization of real-time data and system status.
Safety Discharge Alarm
Integrated discharge indicators and alarms significantly reduce the risk of misuse and enhance operator safety.
Smart Mobile Connectivity
Supports Bluetooth, RS232, and USB. A dedicated APP allows remote control and seamless data uploading.
Product Gallery
Management Platforms
Data Storage System
Internal memory stores up to 1000 groups of test results for historical analysis and comparison.
Bluetooth APP Control
Fully control the instrument and manage test data via a specialized smartphone application.
Real-time Monitoring
Instant visual and audible alerts for discharge status and system warnings.
Instant Printing
Integrated micro-printer for immediate hard-copy documentation of measurement results on-site.
Multi-Interface Export
USB and RS232 ports enable rapid data transfer to computers for professional reporting.
Calendar Clock Sync
Built-in real-time clock automatically timestamps every test for precise maintenance logging.
Investment Return Comparison
| Metric | Conventional Testers | PS-ZD20 Advanced |
|---|---|---|
| Testing Speed | Manual / Slow | High-Speed SCM / Automated |
| Data Handling | Manual Recording | Digital Storage & App Sync |
| Operational Risk | Higher (No Alarm) | Low (Discharge Indicator) |
| Energy Cost | Constant High Power | Intelligent Low-Power State |
| Reporting Time | Hours (Post-process) | Seconds (Instant Print) |
Frequently Asked Questions
It utilizes advanced power supply technology with multiple current positions (up to 20A), allowing it to handle the wide DC resistance ranges typical of large and medium-sized transformers.
The APP allows technicians to operate the device remotely, reducing the need to stay in close proximity to high-voltage equipment and enabling instant data upload for remote review.
Yes, it features complete circuit protection and a specific discharge alarm/indicator to prevent accidents and ensure the device is safe for the next operation.
The accuracy is ±(0.2%+2 readings) for standard ranges and ±(0.5%+2 readings) for the 10Ω to 20KΩ range, ensuring precision across different winding scales.
Yes, while the standard test line is 13 meters long, the length can be customized to meet the specific requirements of your testing environment.
Data can be exported via USB to a U-disk, transmitted through the RS232 interface to a computer, or synced via Bluetooth to the mobile application.
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