Re: Immunity testing at EMC: How many hours are normal?
- From: Joerg <notthisjoergsch@xxxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 30 May 2008 13:54:37 -0700
Eeyore wrote:
Joerg wrote:
Hello Folks,
Just got an estimate for the immunity part of the compliance tests at an
EMC lab: 21 hours. Ouch! I've never had it that long. Is this normal
these days? What's your recent experience? The data:
DUT: Medical equipment, not life-support but cardio-diagnostic stuff.
Pre-compliance looked great and I am sure we'll ace usual the radiated
and conducted emissions tests.
Included tests would be: AC current harmonics, AC flicker, ESD, radiated
immunity, conducted immunity, magnetic immunity, fast transitions, mains
port surge, voltage dips and interrupts.
I've never had this stuff take more than a day. That's why I am asking
for other opinions.
Immunity only. Ok, just audio here but we have our own problems such as
setting up representative cabling which can be a right pain. I'm not sure
now how it split but 2 days covered immunity and emissions.
So I assume 16 hours of total billed lab time but including emissions. That sounds similar to my experience. Usually a few flies were found in the ointment but fixed quickly on the spot so emissions ran into the next morning but susceptibility was still covered by dusk.
--
Regards, Joerg
http://www.analogconsultants.com/
"gmail" domain blocked because of excessive spam.
Use another domain or send PM.
.
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