Electromagnetic shielding fabric performance tester EN 13758 standard factory direct
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Features
(1) Uses coaxial test method, ensuring high transmission characteristics and testing accuracy.
(2) Supports full-frequency scanning, list scanning, and point-frequency measurements.
(3) Automatic control of signal emission and reception, data collection, curve display, and micro-printer output.
(4) Evaluates both absorption and reflection performance of planar materials.
(5) RS232 interface for computer connection, curve display, data analysis, and storage.
(6) USB interface for mobile data storage via flash drives.
(7) User-friendly interface with automated measurement and data processing.
Technical Parameters
1. Signal Source
| Parameter | Specification |
|---|---|
| Frequency Range | 300 KHz – 3000 MHz |
| Frequency Stability | ≤ ±5×10⁻⁶ |
| Frequency Resolution | 1 Hz |
| Signal Purity | ≤ -65 dBc/Hz (10 KHz offset) |
| Output Level | -45 dBm – +10 dBm |
| Level Accuracy | ±1.5 dB |
| Harmonic Suppression | ≥30 dB (1 MHz–3 GHz), ≥25 dB (300 KHz–1 MHz) |
| Directivity | ≥50 dB |
| Power Scanning | -8 dBm – +5 dBm |
| System Impedance | 50 Ω |
2. Receiver
| Parameter | Specification |
|---|---|
| Frequency Range | 300 KHz – 3000 MHz |
| Resolution Bandwidth | 100 Hz – 20 KHz |
| Dynamic Range | ≥95 dB (RBW = 1 KHz) |
| Maximum Input Level | +10 dBm |
| Input Damage Level | +20 dBm (DC +25V) |
| Standing Wave Ratio | ≤1.2 |
3. Phase Characteristics
| Parameter | Specification |
|---|---|
| Phase Resolution | 0.01° |
| Phase Trajectory Noise | 0.5° @ RBW 1 KHz; 1° @ RBW 3 KHz |
4. Transmit and Receive Frequencies
| Parameter | Specification |
|---|---|
| Transmit Frequency | 20 MHz – 1.3 GHz |
| Transmit Frequency Drift | <1000 Hz |
| Minimum Hopping Interval | 1 MHz |
| Transmit Output Power | >13 dBm |
| Receive Power Dynamic Range | +5 dBm – -55 dBm |
| Receiver Power Accuracy | ±1 dB |
| Resolution | 0.01 dB |
| Receiver Frequency Test Range | 10 MHz – 3 GHz |
| Double-layer Shielding Effectiveness | >20 dB |
5. Specimen Dimensions
| Parameter | Specification |
|---|---|
| Circular Specimen | Diameter 180–200 mm |
| Square Specimen | 180×180 mm – 200×200 mm |
| Thickness | 0–5 mm |
6. Instrument Specifications
| Parameter | Specification |
|---|---|
| Working Environment | 0–40°C, 0–75% RH |
| Power Supply | AC 220V ± 30V, 50 Hz, 100 W |
| Dimensions | 70×50×75 cm (L×W×H, excluding computer) |
| Weight | Approximately 75 kg |
Accessories
Main unit (coaxial testing module)
Branded computer for data analysis
Branded printer for reports
RS232 and USB cables for data transfer
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