S EMC - TESTCENTER ZÜRICH T Ex-Oerlikon-Contraves AG S MEMBER OF EMC GROUP ACCREDITATION No. 034 Accredited according to EN 45001 by: Swiss Accreditation Service / EAM BERN Registration number 034 EMC-TESTCENTER ZÜRICH AG Schaffhauserstrasse 580 Postfach 268 8052 Zürich I Switzerland Tel. 01 I 3063570 Fax 01 I 302 55 44 Swiss Shield® Naturell ™ EMC I EMI TEST REPORT SHIELDING EFFECTIVENESS EMC-TEXTILE CUSTOMER: Amstein + Walthert Beratende Ingenieure AG SIA Leutschenbachstrasse 45 eH-8050 Zürich I Switzerland AU: Dr. Georg Klaus Tel. +41-1-3059111 Fax +41-1-3059214 TEST DATE: 13. January 1999 USED STANDARDS: MIL-STD 285 Military Standard Attenuation Measurements for Enclosures, Electromagnetic Shielding, for Electronic Test Purposes, Method of . NSA 65-6 National Security Agency Specification for R.F. Shielded Enclosures for Communications Equipment TEST PERFORMANCE: Armin Frei I Rev. Iissue Date: 13.01.99 ',- __ E_M_C_0_04_1_9_9 P_a_ge_1_of_1_5 __
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S EMC - TESTCENTER ZÜRICHT Ex-Oerlikon-Contraves AG
S MEMBER OF EMC GROUPACCREDITATION No. 034
Accredited according to EN 45001 by:Swiss Accreditation Service / EAM BERNRegistration number 034
EMC-TESTCENTER ZÜRICH AGSchaffhauserstrasse 580Postfach 2688052 Zürich I Switzerland
Tel. 01 I 3063570Fax 01 I 302 55 44
Swiss Shield® Naturell ™
EMC I EMI TEST REPORTSHIELDING EFFECTIVENESS
EMC-TEXTILE
CUSTOMER: Amstein + WalthertBeratende Ingenieure AG SIALeutschenbachstrasse 45eH-8050 Zürich I Switzerland
AU: Dr. Georg KlausTel. +41-1-3059111Fax +41-1-3059214
TEST DATE: 13. January 1999
USED STANDARDS:
MIL-STD 285 Military Standard Attenuation Measurements for Enclosures,Electromagnetic Shielding, for Electronic Test Purposes,Method of .
NSA 65-6 National Security Agency Specificationfor R.F. Shielded Enclosures for Communications Equipment
TEST PERFORMANCE: Armin Frei
I Rev. Iissue Date: 13.01.99 ',- __ E_M_C_0_04_1_9_9 P_a_ge_1_of_1_5__
S EMC - TESTCENTER ZÜRICHT Ex-Oerlikon-Contraves AGS MEMBER OF EMC GROUP
The calibration routine is performed once a year according to the requirements of SwissCalibration Service (SCS), the German Calibration Service (DKD), the US - National Instituteof Standards and Technology (NIST) and manufacturers.
TEST SETUP: According to MIL-STD 285/ NSA 65-6.Antenna distances to tested material: Transmit and receive antenna 0.3m (12 inches)Modulation AM 80%,1kHz
~lJ!;)""0..•.o 0 c::: .<' ~ c::: .:::s ~"1J ::2CD sIn
InCDCD0..•.:::!.0!.::!:!.0.
S EMC - TESTCENTER ZÜRICHT Ex-Oerlikon-Contraves AGS MEMBER OF EMC GROUP
ACCREDITATION No. 034
TEST RESULTATS (Table):
Frequency Shielding Effectiveness
[MHz] [dB]
0.01 620.1 550.3 481 475 47
10 4930 4050 45
100 50200 55500 51700 48
1000 362000 31
Rev. Iissue Date: 13.01.99 I EMC 004/99 Page 14 of 15
5 EMC - TESTCENTER ZÜRICHT Ex-Oerlikon-Contraves AG5 MEMBER OF EMC GROUP
ACCREDITATION No. 034
CONCLUSIONS:
The test results show that the EMC- Textile has a good shielding effectiveness for electricalfields and no shielding effectiveness for magnetic fields.