Ceramic Dielectric Loss Tangent and Permittivity Tester
Published: 8/19/2015
Bench-top instrument for measuring dielectric loss tangent (tanδ) and relative permittivity (ε) of ceramic materials such as insulators and capacitor ceramics. Designed for research and education laboratories, compliant with GB/T 5594.4-1985.
Product Description
The Ceramic Dielectric Loss Tangent and Permittivity Tester measures tanδ and dielectric constant of ceramic specimens to evaluate dielectric behavior across a wide RF frequency range. It supports research on factors influencing dielectric loss and permittivity, enabling material optimization for electrical porcelain, device ceramics, and capacitor ceramics.
The system is intended for universities and research institutes working on inorganic non-metallic materials and follows the GB/T 5594.4-1985 standard for testing methods. Defined specimen dimensions and multi-band frequency coverage ensure accurate characterization over low to high megahertz ranges.
Technical Specifications
| Parameter | Specification |
|---|---|
| Compliance | GB/T 5594.4-1985 |
| Frequency Range | 50 kHz to 50 MHz (seven bands) |
| Frequency Bands | 50–150 kHz; 150–450 kHz; 450–1500 kHz; 1.5–4.5 MHz; 4.5–12 MHz; 12–25 MHz; 25–50 MHz |
| Frequency Scale Error | ±2% |
| Q Factor Measurement Range | 5 to 500 |
| Q Error (5–25 KHz) | Range 5–50: ±5%; Range 15–150: ±5%; Range 50–500: ±7% |
| Q Error (25–50 MHz) | All ranges: ±10% |
| ΔQ Range | −25 to 0 to +25 |
| Inductance Measurement Range | 0.1 μH to 100 mH |
| Inductance Error | ±5% ±0.01 μH |
| Specimen Shape | Disc |
| Specimen Thickness | 2 ± 0.5 mm |
| Specimen Diameter (ε < 12) | Φ30–40 mm |
| Specimen Diameter (ε = 12–30) | Φ25–35 mm |
| Specimen Diameter (ε > 30) | Φ15–20 mm |
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B6-101, Zhongnan High-Tech Intelligent Manufacturing Industrial Park, No. 10 Shuangma Street, Yuetang District, Xiangtan City, Hunan Province, China
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