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HP-12C serial number check
03-10-2023, 01:32 AM
Post: #1
HP-12C serial number check
Is it possible to decode this serial number to determine the year this HP-12C was made?

PHA7370SWQ

PH I assume means it was manufactured in the Philippines?

Thanks for any help
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03-10-2023, 02:24 AM
Post: #2
RE: HP-12C serial number check
According to the following site:
https://serial-number-decoder.com/hp-cal...ulator.htm

This HP calculator was made in China during week 37 of 2007 or 2017
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03-10-2023, 02:33 AM
Post: #3
RE: HP-12C serial number check
Hi Steve

Thank you for the link, I was not aware of that website.
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03-10-2023, 03:59 AM
Post: #4
RE: HP-12C serial number check
Philippines´╝î2017´╝î37 weeks
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03-10-2023, 04:46 AM
Post: #5
RE: HP-12C serial number check
(03-10-2023 02:24 AM)Steve Simpkin Wrote:  According to the following site:
https://serial-number-decoder.com/hp-cal...ulator.htm

This HP calculator was made in China during week 37 of 2007 or 2017

Something definitely went wrong there, because a PH serial number is Philippines, not China. I would assume 2017, since in 2007 I think it would have been made in China.
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03-10-2023, 04:57 AM (This post was last modified: 03-10-2023 05:00 AM by HP-12C.)
Post: #6
RE: HP-12C serial number check
I did think that a China made unit should always start with a CN serial number, e.g: CN40800888
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03-13-2023, 07:30 PM
Post: #7
HP's own warranty check site
There is a web site that will tell you the warranty date for HP products, although sometimes knowing just the serial number is not enough. In that case, you also need a product number, which isn't always obvious.

https://support.hp.com/us-en/check-warranty

In this particular case, I was able to find that this HP 12C was provided with its factory warranty starting 2017-09-19. I had to know a likely "Product" number for this was F2230A.
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