Measurement Uncertainty is described in NAMAS NIS 81. What
Tony is describing is a statistical method for a confidence
level over a certain sample allocation. Measurement uncertainty
takes in to account the errors associated with the Measurement you
are making and through other statistical meth
Greetings,
Please note that in Std. 950, the fourth dashed paragraph of Clause 2.3.8
says:
"-- SELV CIRCUITS shall not use connectors compatible with those specified
in IEC 83 or IEC 320."
__
Egon H. Varju, P.Eng. Saturday, 11 January 19
Michael,
The only such technique I know of to indicate uncertainty
is through a sampling test performed under CISPR 16.
A minimum of 3 samples can be used although the
test recommends 5 samples or more.
AT EACH EMISSION FREQUENCY each sample is measured and
the arithmetic mean and sample standar
FROM: michael_ba...@atk.com
Item Subject: Measurement Uncertainty
Greeting Tregers;
There seems to be a requirement that, when giving a measured value, there
must be an uncertainty associated with that value describing the confidence
of that value.
(1) Do most labs report an uncertain
See EN418 for general requirements for emergency stop "system". See also
EN 60947-5-1, part 3 (I think) for requirements for the emergency stop
switch.
Ned Devine
ndev...@tuvps.com
-
Original Text
From: markjc , on 01/10/1997 2:40 PM:
To:
I have a question concerning IEC 1010-1
This is an excellent opportunity for the right candidate. We completed our 3 m
Anechoic Chamber from Lindgren. We are located in beautiful Northern
California in the heart of Wine Country (disregard those stories of flooding,
that's north and east of us - it's about 65, sunny, and dry right no
Steve Chin asked about labeling.
>My company produces a number of ITE products which all use the same compliance
>label with customizations specific to each product (model name, electrical
>ratings, etc.). These customizations are imprinted on a generic label by a
>laser printer. The UL field eng
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