High Temperature Voltage Breakdown (Air Heating) Tester
Whats/App: +86 156 1874 6768
Web: standard-groups.com
The Computer-Controlled Dielectric Breakdown Tester is a precision instrument designed to measure the withstand limit of insulating materials under high-voltage electric fields. Through precise computer-controlled voltage ramping, you can monitor real-time changes in voltage, current, and leakage current at the moment of breakdown. Featuring exceptional safety protection levels and data processing capabilities, this instrument automatically calculates dielectric strength ($E = U / d$) and plots complete breakdown curves, serving as a core tool for evaluating the reliability of electrical insulating materials.
Application
Mainly suitable for solid insulating materials such as wire bushings, resins and adhesives, impregnated fiber products, mica and its products, plastics, film products, ceramics and glass and other media at high temperature breakdown strength and voltage resistance time test, the instrument adopts computer control, can be used in the test process of various data for rapid and accurate acquisition, processing, and access, display, print.
Standards
GB1408.1-2016 "Test method for Electrical Strength of Insulating Materials"
GB1408.2-2016 "Electrical strength test methods for insulating materials - Part 2: Additional requirements for the application of DC voltage test"
JG795-2016 "Voltage Tester Verification Regulations"
Features
1. This equipment primarily consists of a step-up system (high-voltage transformer), measurement system, A/D converter, discharge system, electrodes, oil tank, electrode positioning frame, computer data processing system, and software.
2. The instrument employs computer control to rapidly and accurately collect and process various data during testing, enabling storage, display, and printing.
Technical Parameters
| Parameter | Specification |
|---|---|
| Input Voltage | AC 220V 50Hz |
| Output Voltage | AC: 0 – 100kV; DC: 0 – 100kV |
| Output Power | 10kVA |
| Measuring Range | AC: 10 – 100kV; DC: 10 – 100kV |
| Measurement Error | ≤ 2% |
| Voltage Boost Rate | 0.5 kV/s – 10 kV/s |
| Withstand Pressure Time | 0 – 4H (German standard: 8H or 15H) |
| Leakage Current | 1 – 30mA, freely settable via computer software |
| Power Supply | AC 220V ± 10% single-phase AC voltage, 50Hz ± 1% frequency |
| Test Environment | Temperature: 15 – 30°C; Relative Humidity: 0 – 85% (stable operation) |
| Test Temperature | Up to 300°C (note: "lucky temperature" appears to be a typo) |
| Test Medium | Air and benzyl silicone oil |
| Heating Box Size | Air: 900 mm × 900 mm × 900 mm; Oil: 200 mm × 200 mm × 150 mm |
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