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My "toy" oscilloscope turned up today. It has slightly different characteristics to the online instruction manuals,and the interpretations from Chinese don't quite match either, but I'm slowly working it out. It has data saving and uploading to PC capabilities and a test output signal somewhere as well. I checked out a few different outputs from phone chargers and DC power supplies and got good results. If you listen closely you will hear me banging my head and tearing out my hair as I learn to use this nifty little device. Speedo sender signal output pics to follow...hopefully.
If you see something you want in the states and they don't post to Aust.
Try gateway.com .they will supply an American address and resend it to you for a very small fee.
OD put me onto them
04 ST 3lt auto, not enough Mods to keep me happy, but getting there
Today I checked my battery charger/ 18 amp booster output with four meters connected.
The inbuilt voltmeter indicated (MC) 14.9.
My Kingdom ETU multimeter (MC) 15v.
My Optilux (Auto specific) Multimeter (MC), 13.8
El-cheapo E06100 digital multimeter 13.11 volts.
Getting accurate base readings is going to be a problem.
Doesn;t suprise me too much... 'cept maybe the last reading.
Not many battery chargers output true DC so the waveform could be noisy as hell even across a Battery which is in effect a dirty great big filter capacitor.
A difference of maybe a quarter volt would not be unusual on reasonable meters (not high end like Fluke etc) and throw in some elcheapo's and they variations could be way more
Dolphins are so smart that within a few weeks of captivity, they can train people to stand on the very edge of the pool and throw them fish.
Originally Posted by mudnut
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