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| Brand | Zhonghang Dingli |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | LJD-C High-Frequency Dielectric Constant Analyzer |
| Price | USD 3,500 (FOB Beijing) |
| Brand | Zhonghang Dingli |
|---|---|
| Origin | Beijing, China |
| Model | LJD Series Direct-Reading |
| Measurement Principle | Resonant Frequency Shift Method (Q-Meter Based) |
| Frequency Range | 10 kHz – 10 MHz (typical for LJD-B/C variants) |
| Capacitance Measurement Range | 0.1 pF – 2.5 µF (LJD-B), 0.1 pF – 25 nF (LJD-C) |
| Resolution | 0.1 pF |
| Dielectric Loss Tangent (tan δ) Accuracy | ±0.0001 (at optimal Q > 100) |
| Compliance | Designed per GB/T 1409–2006 (Chinese national standard equivalent to IEC 60250), supports ASTM D150 and ISO 257-1/2 test methodologies |
| Brand | Zhonghang Dingli |
|---|---|
| Origin | Beijing, China |
| Manufacturer Type | Authorized Distributor |
| Product Origin | Domestic (China) |
| Model | LJD-C |
| Price | USD 3,950 (FOB Beijing) |
| Brand | Zhonghang Dingli |
|---|---|
| Origin | Beijing, China |
| Model | LJC-50KV |
| Output Voltage | AC/DC 0–50 kV |
| Power Rating | 5 kVA |
| Voltage Ramp Rate | 10–5000 V/s |
| Electrode Configurations | Ø25 mm (pair), Ø75 mm (single) |
| Protection Features | Overcurrent, Undervoltage, Leakage, Short-Circuit, DC Discharge Interlock |
| Compliance | GB/T 1408.1–2006, GB/T 1695–2005, GB/T 3333–1999, HG/T 3330–2003, GB 12656–1990, ASTM D149–2022 |
| Dimensions (Main Unit) | 900 × 800 × 1500 mm (L×W×H) |
| Weight | ~100 kg |
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