RE: [Demo notebook] QC clinic: photographic evidence and its limits · RWI-00405
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February 28, 2018 at 1:41 am
#6949
PartsReader 03808Participant
Case 31 — Timegrapher reading context: what do rate, amplitude and beat error actually tell me?
I ran a watch on a basic timegrapher and got +6 s/d, 245 degrees amplitude and 0.8 ms beat error, dial up, about an hour after winding. Is this good, bad or normal? I don't want to send it for service on a single reading.
Exercise RWI-00405/31: address this question within its stated limits.