Cheap Graphing Multimeter

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09 Feb 2019 07:54 #26897 by Noah
Cheap Graphing Multimeter was created by Noah
Thoughts? For $50 it could be a flop, but then again it could be a good run and gun graphing meter.
2in1 Professional Handheld LED Scopemeter Oscilloscope Multimeter Voltage /Current/Resistance Automatic Waveform Capture Test Tools. Add it to your wishlist!

www.wish.com/share/8553cntoqb

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09 Feb 2019 08:17 #26899 by juergen.scholl
Replied by juergen.scholl on topic Cheap Graphing Multimeter
shipping cost states $ 229 to U.S., delivery some 5 to 7 weeks.

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09 Feb 2019 10:28 #26906 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Cheap Graphing Multimeter
I have been thinking of ordering one for a couple of weeks and just now have -- no problem from UK/Euro suppliers but there seems to be a shortage in US suppliers but try an ebay search on Mustek MT8206 --- then refine the search using advance search and tick the box "Located in United States"

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09 Feb 2019 11:59 #26913 by Noah
Replied by Noah on topic Cheap Graphing Multimeter

juergen.scholl wrote: shipping cost states $ 229 to U.S., delivery some 5 to 7 weeks.

:woohoo:
HA! Should have looked into it better, lol.

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09 Feb 2019 12:09 #26914 by Noah
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IDK, looks like it wouldn't cost much to ship it

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11 Feb 2019 06:42 #26954 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Cheap Graphing Multimeter
Mine should arrive early next week --- I will test it on crank & cam sensors and ABS sensors, also TPS -- it does what says on the box it will be ideal for those if it can do more it will be my go to meter.

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11 Feb 2019 07:14 #26955 by Noah
Replied by Noah on topic Cheap Graphing Multimeter
I'll be hovering over the "pay now" button waiting for your report :)

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11 Feb 2019 11:58 #26962 by juergen.scholl
Replied by juergen.scholl on topic Cheap Graphing Multimeter

Noah wrote: I'll be hovering over the "pay now" button waiting for your report :)


They already booked you!. ... wondering if you 'll resist 'til Andy reports :lol:

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11 Feb 2019 20:00 #26981 by Noah
Replied by Noah on topic Cheap Graphing Multimeter
You underestimate my cheapness :)

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15 Feb 2019 08:01 - 15 Feb 2019 08:02 #27063 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Cheap Graphing Multimeter
It arrived an hour ago --- first impressions nice bright display, case material feels okay , it takes 3 AA batteries, the switch feels a little vague.
Nice unexpected feature is the oscilloscope works on the 10a ammeter setting.

First trial was to connect it to the 1khz 5v test output on my Owon labscope ---- no problems on AC setting nice square wave.

Next I tried to do a cranking voltage test --- At this point I hit on a snag the in both Multimeter and Oscilloscope modes it goes into straight into auto-ranging for both voltage and time-base with a lack of any user control for volts scale, also it behaves quite differently on the AC setting from the DC in DC mode it is definitely graphing meter in AC range it is an oscilloscope

On both the AC and DC scales the voltage ranges are 400mv (separate socket) and 4v, 40v and 400v on the main --- far from ideal for 12v light vehicle work. As a result was initially unable to capture a usable cranking voltage using the either the AC or DC settings. However using the DC settiing together a test lead I had made up for use with a Hantek scope with a capacitor to block the DC part of the signal I got a really nice usable capture.

I will do more tests over the next week or so and keep you guys informed.

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Last edit: 15 Feb 2019 08:02 by Andy.MacFadyen.
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15 Feb 2019 08:35 #27064 by juergen.scholl
Replied by juergen.scholl on topic Cheap Graphing Multimeter
Thanks for that information, doesn' t seem to become the get to meter, does it?

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15 Feb 2019 10:36 #27065 by Noah
Replied by Noah on topic Cheap Graphing Multimeter
The voltage settings are disappointing...
I'm interested to see if you extract any more usefulness from it.
Thanks Andy

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15 Feb 2019 10:45 #27066 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Cheap Graphing Multimeter
I tried it on a 5v Hall Effect cam sensor --- 1 pulse per camshaft revolution. dc setting just T pinned straight into the signal pin I don't think it is fast enough to be useful on a crank sensor.


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16 Feb 2019 08:27 - 16 Feb 2019 08:28 #27088 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Cheap Graphing Multimeter
On a Bosch hall effect active ABS sensor


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17 Feb 2019 09:13 #27115 by Noah
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I was hoping it could be a viable replacement for my old Vantage mt2400. Looks like I'll be buying D batteries for the foreseeable future.

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17 Feb 2019 12:27 #27119 by Andy.MacFadyen
Replied by Andy.MacFadyen on topic Cheap Graphing Multimeter
The main flaw in my book is is a lack of user controls? I will probably keep it my daily driver with my cheapo ELM327 Bluetooth dongle and use my UT-203 and BT35 as my working DMM. However I want to try it in graphing ammeter mode on a slow time base for parasitic drains.

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