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Contact-SHAANXI HUADA ELECTRO MAGNETIC SCREEN TECH CO.,LTD
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Shielded anechoic chamber

Contact-SHAANXI HUADA ELECTRO MAGNETIC SCREEN TECH CO.,LTD

Shielded anechoic chamber

Country/Region china

Company Contact-SHAANXI HUADA ELECTRO MAGNETIC SCREEN TECH CO.,LTD

Categories Anechoic Chamber

Update 2011-01-20 14:55:18

ICP License Issued by the Chinese Ministry

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The darkrooms include: electric wave darkroom (semi-wave darkroom), microwave darkroom (full-wave dark-room) and the radar simulation-test darkroom.

1. Main Function

To simulate an open field. The electric wave darkroom is mainly used in the measuring of electromagnetic interference (EMI) and electromagnetism sensitivity (EMS) and whose size

as well as the radio wave absorbing material selected will be made according to the outside

size and test request of the Equipment Under Test (EUT). It is divided into three types: 1m, 3m and 10m. We can make various non-standard darkrooms also for the concrete special request.

2. Performance standard:

Frequency range: 30MHz ~ 18GHz

(1) Reflection loss by absorbing material: 30MHz ~ 18GHz≥15dB

Absorbing material uses compound absorbing material, there is cone-shape contains carbon sponge absorbing material glue on ferrites

(2)performance of the shielding room

Magnetic field

14KHz≥75dB   150KHz≥100dB

 Electric field

200KHz~50MHz110dB

 Plane wave

50MHz~1GHz100dB

 Microwave

1GHz~10GHz100dB 10GHz18GHz90dB

Test standard according to GB12190-90 standard

(3)damping ±4dB, field uniformity 0 ~ 6dB,conforms to the GJB2926-97 standard.

(which is accordant with the standard of GJB2926-97)

3、Structure composition:

(1)Shielding room:

The shielding room includes shell, Shield door, the shielding ventilated window and power filter etc. According to the user's request, the shell possible could be the welding type or the assembling type.

(2)Absorbing material

1.Single-layer ferrites: working frequency range 30MHz -1000MHz.

2.The cone-shape contains the carbon sponge absorbing material: The cone-shape contains the carbon sponge absorbing material is by gathers the ammonia fat foam plastics to seep in the carbon rubber solution becomes, has well anti- burns the characteristic.

(The cone-shaped sponge absorbing material with carbon: the cone-shaped sponge absorbing material with carbon is made by infiltrating polyurethane foam with carbon cement liquid, which's with the character of well burning-preventing.)

(3)other:

Mainly has the signaling board, the turn plate, the antenna, the supervisory system etc.

 

Product Tags:

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