[ubuntu-uk] Reverse engineering data files

Gareth France gareth.france at cliftonts.co.uk
Fri Nov 28 07:39:43 UTC 2014

Being a PAT tester I know this of course. However I am using a couple of 
websites to do the conversions while I'm figuring this out. Doing the 
conversions on F3 01 90 B7 gives 4279 as expected however doing the same 
to F3 01 48 ?? provides 21?? rather than the 9999+ we would expect. It 
looks like we would expect something like 67 0F to convert to the number 
we want.

Where am I going wrong?

On 27/11/14 23:57, Paul Sladen wrote:
> The results are within 1% (std dev 0.5) and this is significantly
> better than the ±5% given in the specification for the Seaward PAT
> testing units.  The PAT tester is effectively a giant multi-meter, and
> just like using a multi-meter, sampling the properties of real world
> physics gives jitter in the results.  This is entirely expected.

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