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Reply To: | TechNet E-Mail Forum. |
Date: | Thu, 30 Jan 2003 13:18:43 -0600 |
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We'll be using this one for the same purpose, do you calibrate in-house? If
so, what do you use to verify it...thanks...
Franklin
----- Original Message -----
From: "Mark Hargreaves" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Thursday, January 30, 2003 10:31 AM
Subject: Re: [TN] Calibration/Verification of granite-surface block
> Hi Franklin,
> Our granite surface plate is used strictly for warp & twist measurement of
> pcb's (very light use). It's on our recall list. The calibration is
rather
> expensive. I was able to move from yearly cal to 3 year cal by
downgrading
> the plate from "A" (inspection grade) to "B" (shop grade, I believe) which
> is still well within our accuracy requirements.
>
> Regards,
> Mark Hargreaves
>
> -----Original Message-----
> From: Franklin D Asbell [SMTP:[log in to unmask]]
> Sent: Thursday, January 30, 2003 10:57 AM
> To: [log in to unmask]
> Subject: [TN] Calibration/Verification of granite-surface
> block
>
> Can anyone describe to me the method of calibrating/verifying a
> surface
> block???
>
> Also, in regards to calibration recall, would this need to be on a
> recall
> list or would it be verify it once in it's lifetime, what would be
a
> cause
> of initial calibration being voided...
>
> Thanks,
>
> Franklin D Asbell
>
>
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