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  17025, Guide 25, A2LA (Cal., Meas., and Test)
  digital panel meter

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Author Topic:   digital panel meter
calib
Lurker (<10 Posts)

Posts: 4
From:Philippines
Registered: Mar 2001

posted 28 July 2001 12:42 AM     Click Here to See the Profile for calib     Edit/Delete Message   Reply w/Quote
Is calibration of digital panel important in any semicon company? You see these panel meters are used in IR sensor, does it requires a calibration or not? Need help co'z I'm starting to draft a procedure(I was ordered to)on these meters and I don't know if this is only a waste of time

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Graeme
Forum Contributor

Posts: 58
From:Lilburn, GA, USA
Registered: Sep 2000

posted 29 July 2001 09:12 PM     Click Here to See the Profile for Graeme   Click Here to Email Graeme     Edit/Delete Message   Reply w/Quote
The fundamental questions you have to ask - and answer - are these:

  • Is the meter used to measure a parameter that is important to the quality of the product?
  • Does it matter if the meter reading is wrong?

If what is being measured is important to assure the quality of the product, then the meter must be calibrated. If it matters if the reading is wrong then the meter must be calibrated.

Notice that I have not said anything about the TYPE of meter. That is because the type of meter (digital or analog, electronic or mechanical) does not matter when determining the need for calibration. (These factors ARE important, though, when determining the required accuracy and precision.) It also does not matter what your process is. You have to ask the same questions.

The only thing that would be a waste of time would be if you answer both of the questions "No" -- because then you have to ask "why am I making this measurement at all?"

------------------
Graeme C. Payne
ASQ Certified Quality Engineer
ASQ_Graeme@yahoo.com

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Jerry Eldred
Forum Wizard

Posts: 148
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Registered: Dec 1999

posted 30 July 2001 08:48 AM     Click Here to See the Profile for Jerry Eldred   Click Here to Email Jerry Eldred     Edit/Delete Message   Reply w/Quote
As much of my background is in semiconductor related calibrations, please give me some more detail and I will try to give you a good answer.

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calib
Lurker (<10 Posts)

Posts: 4
From:Philippines
Registered: Mar 2001

posted 02 August 2001 06:26 PM     Click Here to See the Profile for calib     Edit/Delete Message   Reply w/Quote
quote:
Originally posted by Jerry Eldred:
As much of my background is in semiconductor related calibrations, please give me some more detail and I will try to give you a good answer.

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calib
Lurker (<10 Posts)

Posts: 4
From:Philippines
Registered: Mar 2001

posted 02 August 2001 06:33 PM     Click Here to See the Profile for calib     Edit/Delete Message   Reply w/Quote
thank's guys. I'll just continue drafting a procedure for these meters

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