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paulz
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# Posted: 11 Jan 2024 16:06 - Edited by: paulz
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Got one of these ammeters, available anywhere cheap. No instructions, but I figured you just pass the wire through it. No other terminals. So I passed the 110ac power wire to my ceiling fan through it, flipped on the inverter and fan, nothing, no light, no reading.
Anyone else play with one?
https://www.walmart.com/ip/Yoone-AD112-22FVAH-Digital-Voltmeter-Voltage-Current-Frequ ency-Meter-Indicator-Tester/1701785925?wmlspartner=wlpa&selectedSellerId=101211295
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darz5150
Member
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# Posted: 11 Jan 2024 16:14
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Do you have to put 1 wire through it?
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paulz
Member
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# Posted: 11 Jan 2024 16:22
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Tried that…still nada
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travellerw
Member
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# Posted: 11 Jan 2024 18:16
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Here is instructions from a similar Amazon device.
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paulz
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# Posted: 11 Jan 2024 19:15 - Edited by: paulz
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Thanks. Yeah I found those terminals under the back cover. Got it to read volts and hz, no amps yet..I ran one fan wire through but it still read 0
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darz5150
Member
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# Posted: 11 Jan 2024 20:46
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Wonder if it only works with the current flowing a certain direction through it.
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travellerw
Member
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# Posted: 11 Jan 2024 21:17
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Quoting: darz5150 Wonder if it only works with the current flowing a certain direction through it.
AC shouldn't matter. Either wire should work as long as the sensor doesn't have broken wires!
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Brettny
Member
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# Posted: 12 Jan 2024 06:38
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Did you try it on DC? AC and DC amp meters arnt the same.
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Steve_S
Member
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# Posted: 12 Jan 2024 07:20
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I have something similar to monitor my AC Voltage coming from my inverter before going into a Subpanel.
1) The black wire is what you want to have passing through it, not both.
2) Some of the Hall Sensors are directional, there should be an arrow or indicator on the Hall Sensor if it is. I don't think it's a huge deal on AC but with DC it is.
3) I use a zippy tie to hold the wire in place and "snug" to the Hall Sensor.
I've gone through a couple of different ones and finally settled on using the PeaceFair brand products (they are the OEM for many) which are pretty consistent & reliable. I'm now using the PeaceFair PZEM-011 as my AC monitor because it also logs a few details.
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Steve_S
Member
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# Posted: 12 Jan 2024 07:24
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In case anyone is interested, you can view all of the Peacefair goodies here... Most is readily available on Alibaba/Express as well as amazon/ebay etc...
http://en.peacefair.cn/
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paulz
Member
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# Posted: 12 Jan 2024 12:20 - Edited by: paulz
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Ok, here is the dog clippers hooked to the inverter, one wire passing through the sensor, clippers running. Again volts, hz, no amps.
No direction arrow on the sensor (part no 0-100A stamped). Meter is AD112-22FVAH.
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Steve_S
Member
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# Posted: 12 Jan 2024 14:30
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Looks like it's pooched. I would imagine you flipped the sensor just in case and if you got nothing it's likely defective. These are as simple as can be.
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FishHog
Member
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# Posted: 12 Jan 2024 15:21
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before you throw it out, try something that draws more amps. Maybe its just not registering on that small draw stuff
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paulz
Member
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# Posted: 12 Jan 2024 16:50
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Good thought FH. I tried it with the toaster, around 1000w on the inverter. Still 0.
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paulz
Member
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# Posted: 13 Jan 2024 17:46 - Edited by: paulz
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On another note, also found this while cleaning out my electrical junk box. If there was a sticker on back it’s long gone. So what is it?
IMG_2041.jpeg
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IMG_2044.jpeg
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IMG_2046.jpeg
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Steve_S
Member
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# Posted: 13 Jan 2024 21:24 - Edited by: Steve_S
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A Classic Thingamajic Watchamacallit. Gotta love a mystery.
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paulz
Member
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# Posted: 15 Jan 2024 10:34 - Edited by: paulz
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Quoting: Steve_S A Classic Thingamajic Watchamacallit. Gotta love a mystery.
Found it online! it's an oscilloscope. At some time I was concerned about sine waves. When and why is long gone from my faded memory. Yours if you want it. I'll throw in that ammeter..
https://makeradvisor.com/jyetech-dso150-digital-oscilloscope-review/
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gcrank1
Member
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# Posted: 15 Jan 2024 11:01
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I remember you were doing 'something', just cant remember what, either....lol.
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paulz
Member
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# Posted: 15 Jan 2024 13:16
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Ha, actually made a thread on it back then
https://www.small-cabin.com/forum/8_10929_0.html#msg151557
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Steve_S
Member
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# Posted: 15 Jan 2024 15:02
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Interesting tool, cool ! Gotta love the $20 on sale price...
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paulz
Member
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# Posted: 27 Feb 2024 13:48
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Is this a DROK meter in green? It’s been showing some goofy readings lately, like this. Six this morning, no solar yet, and a 29 amp charge. I wish! The charge controller display is more like it, 0.
Oddly, it seems to be accurate when actual charging, either by sun or genny. I want to buy a new one, just can’t remember who makes it.
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gcrank1
Member
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# Posted: 27 Feb 2024 16:07
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Paul, Ive never played with an SillyScope, would give it a go if still available.
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