Re: Test equipment calibration cycle

"scada" <scada@xxxxxxxxxxxxx> wrote in
news:xDQEf.5542$ld7.3682@xxxxxxxx:


"Thomas Magma" <somewhere@xxxxxxxxxxxxxxxxxx> wrote in message
news:qSNEf.317488$tl.287769@xxxxxxxxxxx
I work for a small start up company, and we are trying to determine
what
we
can get away with for the period in which we calibrate our production
test equipment. Does anyone know who should define the calibration
cycle of
test
equipment used in production? Is it the manufacturer of the test
equipment,
is it a ISO definition, can it be self defined by QA and if so, I'm
guessing
that some customers will complain if they notice a 5 year cal cycle
on
their
calibration certificate which we provide to them.

So how is the best way to define a calibration cycle? For instance,
we tie all are signal generators to a 10 MHz GPS disciplined rubidium
standard which is said not to need calibration but still needs
verification. So can we only send our rubidium reference for
verification once a year but
extend
our signal generators out to 3 years?

Any thoughts?

Thomas



Most of our equipment is calibrated yearly. Most of our equip comes
with an initial calibration report and suggests the calibration cycle.
ISO does not specify a cycle, but if you specify a specific cycle they
expect you to adhere to it.




Also,your ISO should track calibrations,and provide for shortening the cal
cycle if the item keeps having out-of-tolerance reports come back on it.

ISO is pretty much "you decide what you want,write it down as your ISO9xxx
procedure,and then follow it" but with "corrective action loops".

--
Jim Yanik
jyanik
at
kua.net
.

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