Dear All,
Anyone knows of a lab in Northern California for vibration tests to IEC 60 065
or UL6500?
Thanks
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Dear All,
Anyone knows of a lab in Northern California for vibration tests to IEC 60 065
or UL6500?
Thanks
_
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irement for cloth used on loudspeaker / UL6500
Date: Wed, 13 Feb 2002 13:35:17 -0800 (PST)
Hi Pierre:
Unfortunately, Hexamine is temporarely unavailable from IMSPLUS, and,
furthermore, this product cannot be sold outside the US.
If somebody knows another source, he's welcome !
I read in !emc-pstc that Peter Tarver peter.tar...@sanmina-sci.com
wrote (in nebbkemlgllmjofmopleoebmdcaa.peter.tar...@sanmina-sci.com)
about 'Flammabilty requirement for cloth used on loudspeaker / UL6500',
on Wed, 13 Feb 2002:
My note on the outside says
hexamethylene tetramine C16H12N4
Sent by: cc:
owner-emc-pstc@majordom Subject: Flammabilty
requirement for cloth
o.ieee.org used on loudspeaker / UL6500
Pierre Rich -
At one time, I had to perform such testing, but it's too
long ago and was so infrequently necessary that I've lost
all details. However, I did save one of the tablets in a
35mm film canister. My note on the outside says
hexamethylene tetramine C16H12N4, that last bit being the
Hi Pierre:
Unfortunately, Hexamine is temporarely unavailable from IMSPLUS, and,
furthermore, this product cannot be sold outside the US.
If somebody knows another source, he's welcome !
I did a Google search and found at least one more source:
: mercredi 13 février 2002 20:07
À : e.l...@wanadoo.fr
Cc : emc-p...@majordomo.ieee.org
Objet : Re: Flammabilty requirement for cloth used on loudspeaker /
UL6500
Hi Pierre:
Reading the standard, I understand that the cloth used on the front of
the
loudspeaker (external to fire enclosure) has
Hi Pierre:
Reading the standard, I understand that the cloth used on the front of the
loudspeaker (external to fire enclosure) has to be tested according the
tablet test (see Table 13).
As I recall (from the UL standard), the tablet is
hexamine.
I have purchased tablets from:
Dear members,
I work on a loudspeaker project in the frame of UL6500.
Reading the standard, I understand that the cloth used on the front of the
loudspeaker (external to fire enclosure) has to be tested according the
tablet test (see Table 13).
Do you know this test ?
Do you know
Hi Paul
Part 20.3.1 of UL6500 states Materials shall have properties as shown in
Table VIII.
Table VIII gives a list of specific parts (items 1 - 10) and then item 11)
gives a minimum requirement of Materials used in applications other than
those specified in items 1 - 10 as 94HB
Paul,
UL6500 2nd edition requires that decorative parts meet any of the following
flame ratings:
HB, V-2, V-1, V-0, HBF, HF-2, HF-1, HF-0, VTM-2, VTM-1, VTM-0
(Reference Table 13)
I hope this is helpful.
Mat Aschenberg
-Original Message-
From: Paul Smith [mailto:phsm...@excite.co.uk
I don't hve a copy of this standard but hopefully somebody out there will and
might be able to help.
Can I presume that decorative parts of equipment enclosures tested to UL6500
need to meet UL94 HB as a minimum or is there anything less stringent?
I only ask as I'm sure somebody has told me
,
usually evaluated to UL 1411 (for Xfmrs used in certian types of audio
products)
won't meet the criteria for UL6500. I've had no luck thus far in locating a
power
adaptor manufacturer that evaluates to UL6500. Plenty have off the shelf
product
evaluated UL1411. What I'm trying to do here
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