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How smart is a smart multimeter?
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Start date: 4/11/2021 08:00 GMT
End date: 31/12/2021 23:59 GMT
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Good morning, all a first look at the kaiweets smart digital multimeter model km 601 unboxing manual multimeter in a sort of hard plastic shell batteries in the box, multimeter probes and also a thermistor for temperature measurement. It's got a bumper case for protection, so let's get it out of that. It's an unusual form factor with the big display, but then who's to say. A multimeter has to look like this power button.

Ncv hmm torch for flashlight button, there's a little led there and apo auto power off most of the buttons are on the front. These are actual rubberized buttons, they're, not just a membrane, and the connections are along the bottom here. So i need to put the batteries in undo the screw beneath the led light. It says, and the battery cover should come off.

Does three triple a's in here pause to that end, flip it around and then pause to that end and it's on. So what makes this a smart meter? Well, this it's automatically scanning for volts, uh, both dc and ac, ohms or continuity. You can go manual and then you can switch between the different modes manually like so so using this smart mode. Let's first check continuity.

Yeah now there's a relay click when i do that, so it has to change mode in order to check continuity. Okay, let's do a voltage measurement. Here's a lithium ion, phosphate cell and that's 3.264 volts. That's very stable.

Okay, 3.264 volts uh. What was the other one? Oh yes, ohms uh, so a couple of resistors here now, unfortunately, oh actually, there are covers on these. So let's take them off. Oh yes, they might not.

I was gon na say they don't fit into uh crocodile clip ends, but i think they will now. Let's get some okay, 47 ohm resistor we're getting a continuity beat but 46.9. That's pretty good. 680 ohm resistor, no continuity.

Beep 687.4. I mean there's no way of knowing whether that's an error in the resistor or the meter. All right, let's do a diode. Now i've left it in smart mode and of course it's treating it as a resistor and telling me it's 1.2 ohms.

So now i'm going to have to manually switch to the diode mode and there we are 0.605, which is about right. Let's try a blue led, and yes, it's handling that the blue led is lit up fairly dim, and so it's giving me a forward voltage of 2.58. Now, if you put more current through a blue, led of course, you'll get a higher voltage drop. Okay capacitor.

This is 0.47 microfarads or 470 nanofarads. Oh, i will have to switch it to the capacitor range interesting. Oh, that's come up. That was really slow, but it has come up.

Presumably it has to do a period of measurement 484.. Now, i'm not going to be doing any sort of accuracy tests. This is not a sponsored or paid review, but this item was provided to me free of charge. Okay, the next ones are millivolts and hertz, but i'm going to go straight on to degrees celsius.

Oh, that's interesting. Look it flashes light to tell you which sockets to put the probes in that's pretty small okay, so let's plug them in there and the temperature is 18 degrees and yeah that corresponds to another thermometer which i've got in here, which says 18.4 right. The next one is ncv, stroke live, which is interesting because that's the thing that said ncv on it uh, so here's some mains, let's see if it detects it. Yes, so that's clearly live that i presume is neutral and that's live.
So, yes, it seems to be detecting live mains, that's handy right! Let's quickly do some manual stats um, so 999 counts. You can read the rest of this stuff. There. That's some accuracy, specifications for dc and ac.

This is ac and dc current and i'm going to come back to current in a moment and capacitance, diode and continuity, and here the numbers for frequency, duty cycle and temperature. So current measurements you've got the choice of milliamps and you may have just seen the milliamps and common lights flashing there or you can go to amps. They're then saying put your leads into the 10 amp and common. It's saying lead there and there's a red light on on the top, so i'm going to do a 10 amp current measurement, but before i can do that, i need to make up a little accessory.

So i'm just going to put that to the side. For the moment - and we can see whether that powers off and i'll start making my little measurement device so some xt 90s i've got some black wire here, the red wire i'm going to use this fuse holder. Now you can put a fuse in here, but you can just as well just as easily put in two of these little spade blade, connector things and i'm going to put some bits of wire on there and connect them into banana plugs. Oh, i didn't check the torch.

Did i there? It is flashlight, nice and simple. So i'm just going to solder positive into one of the xt 90s, remembering to put the cap on 15 minute timeout on the meter there so we'll see when that times out. I'm not gon na press any buttons in that time and while i struggle with getting this black wire in there, the kywitz has turned off so the auto power off works. So that's the high current connector xd60 male to female, with a fuse and of course you could put a fuse in there, but you could also put these in so just to make some short leads from these two banana plugs now they're, both going to be red, Aren't they so just making up the banana plug to spade terminal leads.

I wanted to get them as short as i could and uh. Let's switch this on press and hold the on button and there's my final measuring tool. Xt90 in xt90 out can use a fuse if you want, but you can also use it as a current interrupt intercept. So now i'm out in the shed and i've got my solar panel coming in here - that's intercepted by the kiwis on its 10 amp setting yeah amps.

Let's hook up the solar panel positive the sun's gone in just my luck and i should get a current reading. Uh 1.094 on there and up on my meter up on the wall, it's 1.10. So that looks pretty good. That was beeping, i'm not sure whether it was saying i'm not measuring any current.
It doesn't seem to be beeping now so yeah, that's a a 10 amp current measurement that looks pretty good i'll just check if the sun's gon na come out. Yes, it is there's a hole in the clouds. Um should get potentially up to eight amps from that solar panel. Six point one: oh six point: four, six point: nine: seven amps from the solar panel, so yeah! This is a perfectly good unit for measuring up to 10 amps coming from my solar panel and going into the battery and using some of these female to female 4 millimeter connectors, i can use my interceptor to hook up a bulb which puts a little bit of Resistance between the solar panel and the battery - if i want to charge it a little bit, uh slower and uh here comes the sun little darling.

Yes, this works as a resistor and also an indicator to indicate whether the sun's shining that will probably go dim again. Now because i saw another cloud approaching yep there, it goes the sun's gone behind the cloud, so that was a first look at the kyrie's km 601 smart multimeter links in the description below cheerio.

By Julian

Youtuber, shed dweller, solar charge controller aficionado

16 thoughts on “Kaiweets km601 smart digital multimeter – 1st look”
  1. Avataaar/Circle Created with python_avatars rob titheridge says:

    one advantage this meter has for video work is the display that can be read by the viewer

  2. Avataaar/Circle Created with python_avatars Haul'N Grass says:

    How the heck did you just do that? I literally just ordered this last night on Amazon (U.S.) and bam you have a video on it. What a great coincidence 🤣 glad to see it in action before I get it. My meter gave up the white ghost so decided to get a smart meter. I have a bunch but needed one to keep in my work truck. Great video.

  3. Avataaar/Circle Created with python_avatars yanko Zlatanov says:

    It looks nice, but the smart features can be improved little. Not recognizing automatically the diode and slow capacitor measurement (for so tiny capacitance) is strange. Also the big color screen probably burn the battery's extremely quickly. If there was internal rechargeable battery will be greed.

  4. Avataaar/Circle Created with python_avatars Okurka says:

    Smart multimeters are dumb.

  5. Avataaar/Circle Created with python_avatars yeme says:

    hmmmmmm its a bit gimmicky isnt it. the delay caused by the auto function selection could make it frustrating in use, I think. and while the display is nice, they waste a third of it just showing what mode the meter is in.
    also you left it measuring several amps for quite a while lol, they usually recommend rather shorter high current tests. I wonder what kind of fuses it has for the current ranges.

  6. Avataaar/Circle Created with python_avatars Defpom's Electronics Repair says:

    I’m thinking that I should get some of these kinds of multimeters and do reviews of them when hooked up to my calibrators to check for accuracy…. Hmm I don’t think anyone else is doing that, I certainly could !

  7. Avataaar/Circle Created with python_avatars George Mays says:

    I have one of these branded by another seller. The display is stunningly nice; it's big and bright. My only gripe is that it lacks a kickstand. (I use a desktop phone holder for it.) Thanks Julian. It's appreciated.

  8. Avataaar/Circle Created with python_avatars Franko Walker says:

    And I say, 'It's alright'. 🙂

  9. Avataaar/Circle Created with python_avatars Jeffrey says:

    It would been nice to see what the current consumption of the meter is to give an estimate battery life. Also would be nice to measure the internal resistance while measuring current (simply measure voltage on the fuse holder in your setup).

  10. Avataaar/Circle Created with python_avatars J_Net Reloaded says:

    not bad for £50

  11. Avataaar/Circle Created with python_avatars Mark B says:

    kaiweets are really pushing this – seen quite a few 'toobers' review it over the past month or so

  12. Avataaar/Circle Created with python_avatars Gregory Thomas says:

    Pretty nice meter…it is listed at about $45 here in the US

  13. Avataaar/Circle Created with python_avatars 2000jago says:

    1st look? Does that suggest that there will be subsequent looks?

  14. Avataaar/Circle Created with python_avatars Rubus Roo says:

    nice for ppl with fading eyesight & I like the smartphone form factor

  15. Avataaar/Circle Created with python_avatars Richard Halliday says:

    Headed straight down to my local LIDL……….. couldn't find one !

  16. Avataaar/Circle Created with python_avatars Brane 2 says:

    Continuity tester is crap.
    It takes far too long to react.
    I routinely use it to locate particular signal on some 100-pin TQFP or similar casing by swiping the probe across in line.

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