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