Contact Resistance Testers
Our Contact Resistance Testers, also known as Micro-Ohmmeters, are designed to accurately measure the contact resistance of electrical connections in high voltage circuit breakers, switchgear, and other electrical equipment. These testers ensure the reliability and efficiency of electrical systems by detecting issues such as loose connections, oxidation, and other potential faults.
lizhvtesttech@gmail.com
+1 323 522 4623
Key Features:
- High Accuracy: Delivers precise measurements of contact resistance with high accuracy, ensuring reliable data for critical assessments.
- High Current Capability: Capable of generating test currents up to 200A, making them suitable for a wide range of applications.
- User-Friendly Interface: Features a large LCD display and intuitive controls for easy operation, even in challenging field conditions.
- Portable Design: Compact and lightweight, our testers are ideal for both field and laboratory use, offering flexibility and convenience.
- Fast Measurement: Provides rapid measurement results, enhancing productivity and efficiency during maintenance and testing operations.
- Robust Safety Features: Equipped with safety mechanisms such as overcurrent protection, automatic shutdown, and durable connectors to ensure safe operation.
Applications:
- Circuit Breakers: Measuring the contact resistance in high voltage circuit breakers to ensure proper operation and reliability.
- Switchgear: Evaluating the performance of switchgear contacts to prevent malfunctions and ensure safe operation.
- Transformers: Assessing the contact resistance in transformer windings and connections.
- Busbars and Connectors: Testing the contact resistance in busbars and electrical connectors to verify their integrity.
Product Range:
- Portable Contact Resistance Testers:
- Designed for on-site testing with a compact and portable form factor.
- Ideal for quick diagnostics and field maintenance tasks.
- Laboratory Contact Resistance Testers:
- Suitable for detailed analysis in laboratory settings.
- Offers comprehensive testing capabilities for thorough quality assessment.
- High-Current Contact Resistance Testers:
- Features high-current testing capabilities up to 200A for more demanding applications.
- Provides accurate and reliable measurements under high-current conditions.
- Custom Solutions:
- Tailored contact resistance testers to meet specific customer requirements and testing scenarios.
Technical Specifications:
Handheld
100A
| Item | Handheld | 200A | 100A |
|---|---|---|---|
| Current Measurement | 50A, 100A | 50A, 100A, 150A, 200A | 100A, 80A, 50A, 30A |
| Range | 0~100mΩ (50A) 0~50mΩ (100A) | 0~100mΩ (50A) 0~50mΩ (100A) 0~20mΩ (150A) 0~20mΩ (200A) | 0~200μΩ (100A) 0~5mΩ (80A) 0~10mΩ (50A) 0~20mΩ (30A) |
| Resolution | 0.1μΩ | ||
| Precision | ±(0.5% ± 2 dgt) | ±(0.5% ± 2 dgt) | ±(Reading × 0.5% + 1μΩ) |
| Printer | Yes | Yes | Optional |
| Communication | U disk | ||
| Input Power | Base on request | Base on request | Rechargeable lithium battery, AC 100-240V |
| RH | <90%, no dew | ||
| Standard | IEC, DL/T845.4-2004 | ||
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