Cryogenic-to-High-Temperature Insulation Resistance Testing
Technical Specifications & Test Capabilities
| Parameter / Metric | Specification Range & Accuracy | Operational Notes |
|---|---|---|
| Temperature Range | -160°C to 450°C | High vacuum or controlled dry nitrogen backfill |
| Current Sensitivity | 0.1 pA to 10 mA | Sub-picoampere current noise floor |
| Excitation Voltage | ±100 V / ±1000 V (Expandable to ±5 kV) | Step voltage and continuous DC bias |
| Output Curves | I-t absorption curves, I-V curves, J-E curves, R-T spectra | Direct export to raw ASCII/txt format |
Specimen Geometry & Preparation Guide
| Material Form | Recommended Dimensions | Dimensional Limits | Electrode & Poling Notes |
|---|---|---|---|
| Small Disc Specimen | Diameter 15 ± 3 mm, thickness 1 mm | Inner Ø5 mm, gap 1.5 mm, guard ring Ø8/10 mm | Double-sided three-ring metallized |
| Large Disc Specimen | Diameter 35 ± 4 mm, thickness 1 mm | Inner Ø20 mm, gap 2.5 mm, guard ring Ø25/30 mm | AlN, Al2O3, and polymer substrates |
Testing Function
Extreme cryogenic and variable-temperature insulation testing evaluates dielectric breakdown limits and charge absorption behavior across deep cold (-160°C) to medium heat (450°C). Operating under high vacuum with dry nitrogen backfill to prevent atmospheric condensation, this service captures precise I-t charging/discharging curves, voltage-dependent leakage currents, and temperature-dependent resistance.
Testing Conditions
Primary Instruments: CPS Vacuum Probe Station Series, HTS-1000
Standard Turnaround: Within 5 working days
Key Standards: ASTM D257 DC Resistance and Conductance; IEC 62631-3-1 Solid Insulating Materials Volume Resistance
Sample Requirements
Please review the detailed specimen dimensions, electrode requirements, and poling conditions in the table above. Custom dimensions and special sample geometry can be accommodated upon technical consultation.
Testing Standards
- ASTM D257 DC Resistance and Conductance
- IEC 62631-3-1 Solid Insulating Materials Volume Resistance
Test Results
Clients receive comprehensive test reports with raw exported ASCII/txt data files, high-resolution curve plots (temperature spectra, impedance plots, or hysteresis loops), and experimental condition parameters stamped by our CMA accredited testing center.
Turnkey Equipment for Your Own Laboratory
Prefer in-house characterization? Every test in our laboratory is performed using MatMeas turnkey instruments. Verify measurement quality with sample testing before capital procurement.
Request High-Precision Testing Solutions
Get expert guidance and customized instruments for your functional materials project.