RE: Grounding of screen room

1998-10-07 Thread Ing. Gert Gremmen
For a screened room to function as a screened room, no earth is required. It's the metal conduit of the shielding material that will be reference potential (if you insist : ground) for all measurements. All external cables (mains) should be filtered to this reference potential, preferably to the

RE: Grounding of screen room

1998-10-07 Thread Bailin Ma
, Barry Ma - Original Text From: ed.pr...@cubic.com, on 10/7/98 9:34 AM: From: Bailin Ma b...@namg.us.anritsu.com Subject: RE: Grounding of screen room Date: Tue, 6 Oct 98 14:35:43 PDT To: emc-p...@ieee.org, TREG t...@world.std.com Cc: Mekonen Buzuayene

RE: Grounding of screen room

1998-10-07 Thread ed . price
--- From: Bailin Ma b...@namg.us.anritsu.com Subject: RE: Grounding of screen room List-Post: emc-pstc@listserv.ieee.org Date: Wed, 7 Oct 98 9:18:11 PDT To: emc-p...@ieee.org, emc-p...@ieee.org Cc: Mekonen Buzuayene

RE: Grounding of screen room

1998-10-07 Thread ed . price
From: Bailin Ma b...@namg.us.anritsu.com Subject: RE: Grounding of screen room Date: Tue, 6 Oct 98 14:35:43 PDT To: emc-p...@ieee.org, TREG t...@world.std.com Cc: Mekonen Buzuayene mbuzuay...@namg.us.anritsu.com Hi Lauren, It is my understanding

RE: Grounding of screen room

1998-10-06 Thread WOODS, RICHARD
Our chamber is grounded via the electrical conduit used with the mains power. Never had a problem. -- From: peterh...@aol.com[SMTP:peterh...@aol.com] Reply To: peterh...@aol.com Sent: Tuesday, October 06, 1998 1:56 AM To: emc-p...@majordomo.ieee.org Subject:

RE: Grounding of screen room

1998-10-06 Thread Crane, Lauren
My guess for a first pass is empty it out, put a spectrum analyzer in with a broadband antenna and see if you can 'hear' anything at a level that is near what you are testing for. Cheers, Lauren Crane -Original Message- From: peterh...@aol.com [SMTP:peterh...@aol.com] Sent: Tuesday,

RE: Grounding of screen room

1998-10-06 Thread Chuck Jackson
Hi Peter. I have always isolated my chambers from any sort of building ground and used a separate grounding grid. The ground was measured using a 'ground megger'. Chuck Jackson -- From: peterh...@aol.com[SMTP:peterh...@aol.com] Reply To: peterh...@aol.com Sent: Monday,

RE: Grounding of screen room

1998-10-06 Thread Randall Flinders
-- From: WOODS, RICHARD Sent: Tuesday, October 06, 1998 5:28 AM To: emc-p...@majordomo.ieee.org Subject: RE: Grounding of screen room Our chamber is grounded via the electrical conduit used with the mains power. Never had a problem. -- From: peterh...@aol.com

RE: Grounding of screen room

1998-10-06 Thread Brumbaugh, David
Peter If you can locate the facility electrical drawings, I would recommend starting with those. It's considered good design practice if you have isolated facility power (air handlers, lights, etc.) and technical power (designated for exclusive use by instrumentation and other equipment requiring

RE: Grounding of screen room

1998-10-06 Thread Bailin Ma
Hi Lauren, It is my understanding that properly grounding the screen room is important in Conducted emission test and have little effect on Radiated emission test. The way you described is a very good and simple method for evaluating the shielding effectiveness (SE) of the screen room. The