Cheap but useful Multimeter

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Cheap but useful Multimeter

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  • #782200
    Danni Burns
    Participant
      @danniburns84841

      Hello

      I am seeking your advice, please.

      I admit that I am ignorant re. electronics, and today I needed to test a motor which I couldnt do.

      Anyway, I would like to buy a cheap but not useless Multimeter – so I can start to learn about these things.

      Can anyone suggest a useful & cheap Multimeter?

      thanks in advance

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      #782226
      SillyOldDuffer
      Moderator
        @sillyoldduffer

        This one from Farnell is very similar to my basic “don’t care if I break it” instrument, which cost me much more than £4 twenty years ago!

        Digital multi-meters are an example of a technology that’s become extraordinarily cheap.  Once the development cost of the chip was  covered, there’s very little inside.

        Digital meters are easy to read, but take time to settle, which is why I also own a couple of analogue needle meters including a venerable Avo:  often as not seeing the needle kick is enough.

        Possible to spend a lot of money on meters, but for getting started hard to beat £4, and go up market if needed later.

        Or if money is no object, this inexpensive meter is yours for only £710!

        Screenshot From 2025-02-07 19-55-56

        Dave

         

        #782228
        peak4
        Participant
          @peak4

          Hard to answer easily, particularly without defining “cheap”
          Personally I have too many workshops and vehicles, and thus several meters.
          Among them, an old AVO Mk7, and a couple of other moving needle meters, including ones for less than £5; all work OK, and I sometimes prefer an analogue meter.
          Digital meters, I’ve a decent Fluke, Robin, and an old ex BT one, as well as a couple of Lidl/Parkside offerings.

          Value for money, the Lidl one I keep in the Disco is probably the best; I guess about £10, and plenty accurate enough for most jobs.
          N.B. I have seen a video warning that one of the Parkside meters shows 240V OK, but failed to register/display 1KV
          Doesn’t bother me too much, as it’s for car, not high voltage use; one thing I’ve always been taught, test the test gear before relying on the readings.
          i.e. Before checking if a tag is 240v live, I always check another one which I know is live.

          As well as the meter, it also proves you’ve plugged the test leads in properly, and the wires are unbroken.
          Cheap meters do tend to have less overload protection; 10A fast blow fuses often fitted to high end meters are expensive, and larger than conventional sized ones.

          When my AC/DC clamp meter died last year, I looked at getting it repaired, as I wanted something to measure heavy DC amperages for automotive use.
          I ended up with one of these, which, at the time, was £40 off eBay from a UK based seller.
          It works well, if I had all my meters stolen, and needed a single replacement for general use, I’d likely look to get another one or equivalent; my only real complaint is the lack of provision for a croc clip on the test probe(s)

          Bill

          #782233
          Danni Burns
          Participant
            @danniburns84841

            Hi thanks

            I am already learning a bit

            Seems I need a CATII or CATIII (if I can get a decent (e.g. FLUKE) 2nd hand one cheap). I think £35 max. But Id be happier to pay <£10 for a CATII unit that someone has used and recommends.

             

            I have seen these on ebay: Splinktech  DM2, Fafeicy XL830L, Hobby Digital Multimeter model M125 and Test Mate DMM-200

            Are these similar to your Lidl? Are they to be avoided?

            cheers

            #782234
            Robert Atkinson 2
            Participant
              @robertatkinson2

              This little LAP meter from Screwfix:
              https://www.screwfix.com/p/lap-dc-digital-multimeter-600v/793rt#product_additional_details_container

              Is a good budget choice. More functions than the <£5 one and readilly available. It is also safer (CATII) than the cheap ones for mains use.

              A good used choice recently were ex-MOD Fluke 25s These can be had for as little as £30 on ebay if you can wait for one to turn up at the right price (couple at around £50 at the moment).

              Robert
              Far too many multimeters here including 15 Flukes up to 6.5 digits….

               

               

              #782237
              Danni Burns
              Participant
                @danniburns84841

                Thanks Robert

                I just put a cheeky bit for F25

                WHat functions do these not have that I would need? Fluke 101 Handheld Easily Carried Digital Multimeter 600 V CAT III (these are circa £60 new)

                cheers

                #782238
                SillyOldDuffer
                Moderator
                  @sillyoldduffer
                  On Danni Burns Said:

                  ..WHat functions do these not have that I would need? Fluke 101 Handheld Easily Carried Digital Multimeter 600 V CAT III (these are circa £60 new)

                   

                  For most purposes beginners need a meter that measures AC and DC volts up to, say 500 or 600V, resistance up to, say, 2 megaohms, and DC current up to 250mA, with a 10A range.  AC current is nice to have but pushes the price up, and may not be used much.

                  That requirement makes the Fluke 101 an expensive mistake. If I read the spec right the 101 doesn’t measure current at all, so 0/10 in my book.  It measures up to 40Mohms, capacity (farads) and frequency, all unlikely to help a beginner. Other Flukes do meet all basic requirements, but check the specs.

                  Throwing money at meters gets you some combination of improved robustness,  accuracy, and resolution, and/or auto-ranging, auto-shutdown, higher CAT rating, AC current, wider ranges, and maybe inductance, capacity, diode, and transistor testing.  If you don’t know yet why these are worth having, start with a basic instrument, set the range manually and remember to turn it off.

                  At this stage best avoid chasing ‘quality’ unless you have a specification.   The cheap meter I pointed at does the basics, and, if it has limitations, understand them and then go upmarket as necessary.  The ex-MOD meters recommended by Robert are excellent provided they are in good condition.   Solidly made for a reason: servicemen bash them about, so secondhand is a risk…

                  Dave

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