Overview
The Matmeas VBT30KVPOS Withstand Voltage Breakdown Tester, specifically designed for evaluating the dielectric strength of piezoelectric ceramics. This precision instrument directly measures both the maximum voltage at which breakdown occurs and the safe operating voltage of ceramic materials. It features advanced high-voltage isolation technology to protect both the operator and the equipment during breakdown events. The system integrates a precision oil bath with temperature control up to 180℃, programmable voltage ramping, and real-time current monitoring (1mA measurement range). Widely used in universities, research institutions, and industrial laboratories, the VBT30KVPOS provides essential reliability verification for piezoelectric ceramic development and quality control.
Specifications
| Test Voltage Range | 0 ~ 30 KV (Digital high-voltage generator) |
| Voltage Accuracy | 5% |
| Measurement Environment | Silicone oil bath |
| Temperature Range | RT to 180℃ |
| Measurement Current | 1 mA |
| Test Modes | Uniform speed breakdown, Withstand voltage mode |
| Safety Mechanisms | High-voltage interlock isolation, Breakdown protection, Breakdown alarm |
| Voltage Ramp Rate | < 5 kV/s |
| Voltage Step Increment | > 10 V |
| Sample Size | φ < 20 mm, thickness < 5 mm |
| Equipment size | 350 × 325 × 195 mm |
| Power Supply | 220V / 50Hz-60Hz, 300W |
| Weight | 15.50 kg |
| Warranty | 1 Year |
Applications
- Piezoelectric R&D
Evaluating dielectric strength of PZT, lead-free piezoelectrics, and multilayer actuators. - Quality Control
Batch testing of ceramic components for consistency and reliability in manufacturing. - Academic Research
Studying breakdown mechanisms and material limitations in dielectric materials. - Aerospace & High-Reliability Fields
Qualification of ceramic materials for high-reliability applications under extreme conditions. - Energy Technology
Testing insulation materials for capacitors, sensors, and high-voltage power systems.
FAQ
What materials is the VBT-30KV specifically designed to evaluate?
The VBT-30KV is a professional-grade instrument specifically designed for piezoelectric ceramics. It is utilized to evaluate their dielectric strength by accurately testing the maximum voltage at which electrical breakdown occurs, as well as verifying the maximum safe operating voltage under normal conditions.How does the system ensure operator safety and prevent equipment damage during 30kV testing?
Operating at 30kV requires extreme safety measures. The VBT-30KV resolves this by incorporating advanced high-voltage interlock breakdown isolation technology. Furthermore, it is equipped with intelligent breakdown protection and an instant breakdown alarm function, ensuring that the system reliably shuts down upon sample failure to protect both the operator and the core generator.Why does the system use a silicone oil environment for measurements?
High-voltage testing in standard air often leads to premature surface flashover, which corrupts the dielectric strength data. By submerging the samples in a specialized silicone oil bath with precise temperature control (from Room Temperature up to 180°C), the VBT-30KV eliminates air arcing, guaranteeing that the true breakdown voltage of the material is recorded.What testing modes are available for different experimental requirements?
To accommodate diverse research and quality control standards, the VBT-30KV offers multiple intelligent step-up modes, including a uniform speed breakdown mode (for determining ultimate limits) and a steady withstand voltage mode (for reliability verification).
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