June, 2013
www.us-tech.com
Select-A-Shield Vestibule Enhances RF Isolation at Chamber Doorways
ly include a white ESD liner and ven- tilation. According to the company, ventilation is necessary when people occupy an RF EMI shielded tent. The fan and vent system is also RF EMI shielded to preserve the shielding effectiveness of the structure. The white ESD liner not only protects against static, it also helps techni- cians read and record data against a neutral, brighter background. The enclosures are constructed
with RoHS-compliant, durable, light- weight, Silver/Copper/Nickel, Nova
Select™ fabric — the company’s pro- prietary highly conductive material. Shielding effectiveness for a vestibule measures –73dB with both doors closed at 916MHz. A double wall RF EMI shielding tent with ESD liner yields an average SE of –78dB average from 150kHz to 18GHz without the vestibule. The company’s RF EMI prod-
ucts are suitable for numerous appli- cations including wireless device development and testing, secure communications, satellite communi-
cations testing and isolation, EMC pre-compliance, medical and aero- space equipment shielding, cellular and computer forensics and RFID shielding for commercial and indus- trial settings. Select-A-Shield prod- ucts can be customized to almost any
size and option configuration. Contact: Select Fabricators, Inc.,
5310 North Street, Building 5, Canandaigua, NY 14424 % 585-393- 0650 fax: 585-393-1375 E-mail:
selectus@select-fabricators.com Web:
www.www.select-fabricators.com
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Shielding vestibule and doorway.
Canandaigua, NY — Select-A-Shield RF EMI Shielded tents are designed to be used for everything from pre- compliance testing to secure commu- nications. To assure shielding effec- tiveness during entry and exit, Select Fabricators, Inc. has developed a vestibule for its Select-A-Shield walk-in enclosures. Like most enclo- sures opening the door of any walk-in enclosure can degrade immediate shielding effectiveness, resulting in possibly compromising data capture or data corruption. With the addition of the Select-A-Shield vestibule, which is integral to the enclosure, the shielding environment is kept intact for consistent shielding per- formance — something like the air- lock on a space vehicle. In a typical 9 x 12-ft. (2.7 x
3.7m) length Select-A-Shield tent, the vestibule is situated in the right hand front corner. 3 x 4-ft. (0.9 x 1.2m) in size, the vestibule provides entry for personnel via a separate single door double magnet (patent pending) closure system which opens out. The vestibule has its own sepa- rate conductive floor, door and inner walls apart from the tent itself which allows maximum isolation for contin- uous testing or examination. The door opening to the main compart- ment opens inwards which makes entry and exit easier. Select-A-Shield RF EMI shield- ed enclosures with vestibules typical-
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