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telectrix

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just received this item. multimeter with waveform graph. unbelievably only £47 inc. shippling. what will them chinese get up to next?

048.jpg
 
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Spoon

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Are you going to do a 'review' on it?
Bung it on a dimmer switch and see how accurate the graph is.
 

telectrix

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  • #3
will give it a try sometime soon. expect to see a funny waveform from a dimmer.
 

PEG

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Like it :) Have you got the additional nipple-clips? ....we'd like to see your heart beat,in wave form...
 

static zap

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Does make the markup on "approved hearing aids"
look a bit excessive --Eh...What...
(it's a very different world of electronics today!)
 
S

Squid

Used stolen credit card I bet.......... if it was me I would have ordered up to the CC limit, tsk......
 

telectrix

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Are you going to do a 'review' on it?
Bung it on a dimmer switch and see how accurate the graph is.
ok, so this is the output waveform from a 400watt dimmer supplying a 60 watt load at approx, 75% full. and @darkwood. it's not a sticker. :(:(:(.

dimmer.jpg
 

telectrix

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still playing with it. not worked it all out yet. obviously, not as accurate as a calibrated scope. can expand or reduce the timebase. more play tomorrow after i've fixed the oven, mown the lawn, sorted the dogs and ducks out etc., etc.
 

telectrix

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The 173v rms?
From the increments can you work out peak to peak.
Does it show any spikes at switch on?
Vrms = 0.3535 * Vpp
 

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