Dielectric Constant and Loss Tester
Published: 9/16/2020
Benchtop instrument for measuring dielectric constant (ε), loss tangent (tanδ), Q factor, inductance, capacitance, and oscillation frequency using a high-frequency resonance method. Designed for research and quality control of ceramic and composite insulating materials in laboratories and manufacturing environments.
Product Description
The STD-A Dielectric Constant and Loss Tester determines dielectric constant and loss tangent to characterize insulating ceramics, device porcelain, capacitors, and composite materials. It employs a high-frequency resonance method and integrates versatile impedance measurement functions with multiple ranges.
Typical users include research institutes, universities, and industrial laboratories conducting application research on inorganic non-metallic new materials. The instrument complies with GB/T 5594.4-1985.
Technical Specifications
| Parameter | Specification |
|---|---|
| Measurement Method | High-frequency resonance |
| Standards Compliance | GB/T 5594.4-1985 |
| Q Factor Measurement Range | 5–999 |
| Q Factor Ranges | 30, 100, 300, 999, auto-ranging |
| Q Factor Nominal Error (25 KHz–10 MHz) | ≤5% ± 2% of full-scale |
| Q Factor Working Error (25 KHz–10 MHz) | ≤7% ± 2% of full-scale |
| Q Factor Nominal Error (10–50 MHz) | ≤7% ± 2% of full-scale |
| Q Factor Working Error (10–50 MHz) | ≤10% ± 2% of full-scale |
| Inductance Measurement Range | 0.1 µH–1 H |
| Inductance Ranges | 0.1–1 µH; 1–10 µH; 10–100 µH; 0.1–1 mH; 1–10 mH; 10–100 mH; 100 mH–1 H |
| Capacitance Measurement Range | 1–460 pF (capacitors above 460 pF per usage rules) |
| Main Tuning Capacitor Range | 40–500 pF |
| Main Tuning Accuracy | ≤150 pF: ±1.5 pF; >150 pF: ±1% |
| Fine Tuning Capacitance Range | −3 pF to 0 to +3 pF |
| Fine Tuning Accuracy | ±0.2 pF |
| Oscillation Frequency Range | 25 kHz–50 MHz |
| Frequency Bands | 10–99 kHz; 100–999 kHz; 1.0–9.99 MHz; 10–50 MHz |
| Frequency Error | 2 × 10^-4 ± 1 digit |
| Q Pass/Fail Preset Range | 5–999 |
| Operating Temperature | 0–40 ℃ |
| Relative Humidity | <80% |
| Power Supply | 220 V ± 22 V, 50 Hz ± 2.5 Hz |
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Contact Information
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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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