Designed for civilian EMC testing (radiated emissions and immunity), with typical technical parameters below:
| Test Distance | 3m (EUT to antenna) |
|---|---|
| Internal Dimensions | Length: ~9m (meets test distance and quiet zone requirements) Width: ~6m (ensures quiet zone integrity) Height: ~6m (accommodates antenna movement and quiet zone) |
| Absorbing Materials | Walls/Ceiling: Carbon-loaded pyramidal/foam absorbers (0.3–0.45m height), covering 30 MHz–18 GHz (extendable to 40 GHz) Floor: Metallic ground plane (galvanized steel/aluminum), per CISPR 16-1-4 |
| Shielded Door | Double-layer design, ≥100 dB shielding (30 MHz–18 GHz; optional 40 GHz) |
| Shielding Effectiveness | Low Frequency (14 kHz–1 MHz): ≥80 dB High Frequency (1 MHz–18 GHz): ≥100 dB (typical 120 dB) |
|---|---|
| Grounding Resistance | Standard: IEC 60364-6 (GB/T 16895.23) Requirement: ≤ 4Ω |
| Insulation Resistance | Standard: IEC 60364-6 (GB/T 16895.23) Requirement: ≤ 2 MΩ |
| Quiet Zone | Dimensions: Approximately 1.5 meters or 2 meters in diameter and height (at 3 meters from the antenna) |
| Normalized Site Attenuation (NSA) | Compliance Standards: CISPR 16-1-4 (GB/T 6113.104), ANSI C63.4 Deviation: Within ±4 dB (30 MHz–1 GHz) |
| Site Voltage Standing Wave Ratio (SVSWR) | Compliance Standards: CISPR 16-1-4 (GB/T 6113.104), ANSI C63.4 Requirement: ≤ 6 dB |
| Field Uniformity | Applicable Standard: IEC 61000-4-3 (GB/T 17626.3, applicable only for radiated immunity testing) Uniform Area: Field strength variation ≤ 6 dB within a 1.5m × 1.5m area (80 MHz–6 GHz) |
| Influence Assessment of Radiated Emission Test Table | Compliance Standards: CISPR 16-1-4, ANSI C63.4 Requirement: The influence assessment results of the radiated emission test table must be incorporated into the uncertainty evaluation of radiated emission measurements |
| Ambient Noise Level | At least 6 dB below the EMC product standard limits |
| Antenna Types | Dual-polarized (>30 MHz), 9 kHz–40 GHz coverage |
|---|---|
| Turntable | Diameter: 2–3m, 500 kg–1 ton/m² load capacity Accuracy: ±1° |
| Antenna Tower | 1–4m height adjustment, ±0.5 cm precision |
| Radiated Emissions | CISPR 32 (GB/T 9254.1), FCC Part 15, EN 55032 |
|---|---|
| Radiated Immunity | CISPR 35 (GB/T 9254.2), EN 55032 |
| Power Supply & Filtering | Power: Independent filtered power supply system providing clean power Signal line filtering: All feedthrough interfaces shall be equipped with RF filters |
|---|---|
| Environmental Control | Temperature: 20~25℃ (±2℃) Humidity: 30%~70% RH (anti-condensation) |
| Safety Systems | Emergency stop button, smoke alarm, fire suppression system RF radiation safety monitoring (compliant with occupational health standards) |
