Scope:
Electromagnetic DR-913G type anti-electromagnetic radiation fabric performance tester for textiles, plastic sheeting, sheet metal, non-conductive surface coating or plating, metal mesh, conductive film, conductive glass, conductive medium plates and other electromagnetic shielding material shielding effectiveness test (coaxial flange method).
Related Standards:
GB / T 23326 stainless steel fiber blended with cotton, polyester cloth electromagnetic wave shielding qualities
GB / T 25471 electromagnetic shielding paint shielding effectiveness measurement method
SJ 20524 material shielding effectiveness measurement method ASTM 4935, etc.
Technical characteristics:
1. High-precision network analyzer
2. Multi-channel detection loop
DR-913G-type anti-electromagnetic radiation fabric performance tester technical parameters:
1, source:
Test frequency range: 300 KHz ~ 3000 MHz
Frequency stability: ≤ ± 5 × 10-6
Frequency resolution: 1 Hz
Signal purity: ≤-65dBc / Hz (partial 10 KHz)
Output Level: -45dBm ~ +10 dBm
Level accuracy: ≤ ± 1.5dB (25 ℃ ± 5 ℃, -45dBm ~ +5 dBm)
Harmonic rejection ratio: ≥30dB (1MHz ~ 3000MHz), ≥25dB (300KHz ~ 1MHz)
Directivity: ≥50dB (vector calibrated)
Power Sweep: -8dBm ~ + 5dBm
System Impedance: 50 ohms
2. Receiver:
Frequency range: 300KHz ~ 3000MHz
Resolution bandwidth: 100 Hz ~ 20 KHz
Dynamic range: ≥95 dB (RBW = 1 KHz)
Maximum input level: + 10dBm
Input damage levels: + 20dBm (DC + 25V)
Port: VSWR ≤1.2
3, the phase characteristic:
Phase resolution: 0.01 °
Phase trajectory noise: 0.5°@RBW = 1KHz, 1 ° @ RBW = 3KHz (25 ℃ ± 5 ℃, 0dBm)
4, sample size:
Round: diameter 180mm ~ 200 mm
Square: 180mm × 180mm ~ 200mm × 200mm
Sample thickness: 0 ~ 5mm
5, the working environment temperature and humidity: 0 ~ 40 ℃, 0 ~ 75% RH
6, Power: AC220V ± 30V, 50Hz 100W
7, Dimension: 70mm × 50mm × 75mm (L × W × H) (excluding computers)
8, Weight: about 75kg
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