digital calipers cheap variety

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digital calipers cheap variety

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  • #17959
    Robin teslar
    Participant
      @robinteslar

      my bad experience

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      #221271
      Robin teslar
      Participant
        @robinteslar

        Hi all, a few years back I was amazed at the availability of these cheap digital vernier calipers <£10. So I bought one and then looked into the amazing technology a bit more. I wont labour the point cos I'm sure most of you MEWs know that there are two types relative and absolute. Well the cheap ones are of course relative. It started out ok then started to misbehave resulting in scrappage. The zero on these sometimes without warning shifted giving false readings. I ended up taking best of 3 zeroing each time – great waste of time. Finally it became completely erratic and I couldn't switch it off. So I am now the proud owner of a Mitutoyo from Ebay 2nd hand for £30. I should have got this in the first place and it is of the absolute type.

        So Friends, don't waste your money on these DPRC knock-off copies of the classic Mito

        #221273
        Howi
        Participant
          @howi

          I am sure there are plenty on here who use the cheap digital calipers without a great deal of problems, me included.

          I might add that just because it says Mitutoyo does not mean it is, there are a lot of fakes out there, especially on eBay.

          Bottom line – you get what you pay for.

          #221274
          Douglas Johnston
          Participant
            @douglasjohnston98463

            Perhaps you have been unlucky Robin. I have had a couple of the cheap ones for ten years or so and they still work perfectly. I also have a Mitutoyo one which has a nicer feel to it and in which the batteries last longer, but it cost ten times as much. I think the cheap ones have their place and represent very good value for money.

            Doug

            #221276
            martyn nutland
            Participant
              @martynnutland79495

              Or you could all use the one invented by Frenchman Pierre Vernier in the 17th Century. Much more satisfying.

              Martyn

              #221280
              Robin teslar
              Participant
                @robinteslar
                Posted by martyn nutland on 16/01/2016 09:21:17:

                Or you could all use the one invented by Frenchman Pierre Vernier in the 17th Century. Much more satisfying.

                Martyn

                Yes I've got a mechanical one with a dial gauge as well, nice and reliable

                All valid points made here, I just posted my experience to show how these relative calipers can go wrong (not through any abuse or cutting fluid on my part btw)

                On the subject of fakes can anyone advise on how to spot a fake Mitotuyo

                #221281
                Michael Gilligan
                Participant
                  @michaelgilligan61133
                  Posted by Robin teslar on 16/01/2016 09:47:34:

                  On the subject of fakes can anyone advise on how to spot a fake Mitotuyo

                  .

                  Robin,

                  There have been previous discussions on the forum **LINK**

                  MichaelG.

                  #221285
                  Neil Wyatt
                  Moderator
                    @neilwyatt

                    I have a traditional one. Cost four or five times as much as a digital and the vernier scale was badly aligned and I had to elongate the holes in it.

                    I have several cheap digital calipers. I know which are the good ones and which ones wander with temperature. They all demand annual battery changes and a clean scale.

                    One problem is that the you don't know which board/quality you are getting by looking at the outside. You may well discover that two from the same supplier that look identical have different functions…

                    But as my whole collection (about five or six?) cost less than one genuine Mitotoyu, I'm not complaining.

                    Neil

                    #221293
                    Phil Whitley
                    Participant
                      @philwhitley94135

                      given that the Lidl ones I use as guesstimators have a three year warranty, you can't really go wrong at £7-50, but you still need a micrometer anyway. I only make stuff as accurate as it needs to be!

                      phil

                      #221295
                      Ian S C
                      Participant
                        @iansc

                        My (moderately cheap) 200 mm digital calipers gave up the ghost the other day, I opened them up and found soluble cutting oil inside, cleaned up with meths, still no go. must get back to them when the current job ends.

                        Ian S C

                        #221305
                        Robin teslar
                        Participant
                          @robinteslar
                          Posted by Michael Gilligan on 16/01/2016 09:52:49:

                          Posted by Robin teslar on 16/01/2016 09:47:34:

                          On the subject of fakes can anyone advise on how to spot a fake Mitotuyo

                          .

                          Robin,

                          There have been previous discussions on the forum **LINK**

                          MichaelG.

                          Many thanx for the link, I have studied it assiduously. I should have done more homework first and now waiting for delivery of my used digimatic (which seems to have come from a genuine home) will report findings.

                          BTW I also acquired a battered old Mito dial gauge model 543 180 for a £5 on ebay, absurd resolution 6 sig figs, way overkill on a Myford 1 micron?. It work very well, very smooth and the genuine "old" article

                          I only wish I could cut down on the digits to say 4. I only have to cough and it moves last digit. Amazing

                          #221313
                          Michael Gilligan
                          Participant
                            @michaelgilligan61133

                            Posted by Robin teslar on 16/01/2016 11:35:33:

                            BTW I also acquired a battered old Mito dial gauge model 543 180 for a £5 on ebay, absurd resolution 6 sig figs, way overkill on a Myford 1 micron?. It work very well, very smooth and the genuine "old" article

                            I only wish I could cut down on the digits to say 4. I only have to cough and it moves last digit. Amazing

                            .

                            Very Nice !!

                            ideaA discreet little rectangle of black tape might solve the problem.

                            MichaelG.

                            #221341
                            Speedy Builder5
                            Participant
                              @speedybuilder5

                              Fake Britain on the tele – Its Head and Shoulders now !!

                              #221345
                              Robin teslar
                              Participant
                                @robinteslar
                                Posted by Michael Gilligan on 16/01/2016 12:12:59:

                                Posted by Robin teslar on 16/01/2016 11:35:33:

                                BTW I also acquired a battered old Mito dial gauge model 543 180 for a £5 on ebay, absurd resolution 6 sig figs, way overkill on a Myford 1 micron?. It work very well, very smooth and the genuine "old" article

                                I only wish I could cut down on the digits to say 4. I only have to cough and it moves last digit. Amazing

                                .

                                Very Nice !!

                                ideaA discreet little rectangle of black tape might solve the problem.

                                MichaelG.

                                crook Well a MEW can't have a "blonde moment", what a silly Billy am I. Will try that soonest. Thanx

                                #221358
                                Ajohnw
                                Participant
                                  @ajohnw51620

                                  I bought some digital mic's over time a while ago Mitotoyo and M&W mainly because I thought I should. The Mitotoyo were significantly discounted. M&W full price, I couldn't find the same size in Mito at the right price. I recently replaced the M&W one with another Mitotoyo and advertised it on here. As far as I can check them all are fine. The last one I bought did come from a dubious source – ebay USA look what I have type thing and several of them. They went quickly. The battery was flat. This is one reason why they sometimes come up well below list price – same with a crazy Draper one I mentioned a while ago that I think some bought – I needed a mic of that size anyway.

                                  My very 1st digital calliper came from an offers list that used to come through the post now and again. It lasted for many years and was very accurate but eventually the battery compartment started acting up even though they lasted a couple of years. Not being entirely happy with 6" I went for a mitutoyo 8". That was seriously discounted and just as accurate as the previous unbranded one. That one cost me £30, a lot when I bought it. At the time a very exotic item. It took months and months to arrive. Guess they obtained orders and then had them made. I'd guess accounting for inflation the Mitotoyo was cheaper.

                                  Personally I think that it's best to have a sensible attitude about bargain prices. Part if too cheap and part exactly who is selling it. cheeky Works for me anyway.

                                  surpriseWhat do I use most though – my 0-1 and 1-2 from training days both with verniers and a 2-3 but at this size there's not much difference between using a cumbersome digital mic and an ordinary one. I don't use my Kanon vernier caliper as I know both of the digital ones are as good. I also have a rather tarnished 30" vernier one, Super cheap and i have even used it a couple of times.

                                  John

                                  #221365
                                  SillyOldDuffer
                                  Moderator
                                    @sillyoldduffer

                                    One big advantage of a cheap digital caliper is that you do not have to treat it with respect. The brave little warrior below cost £4.99 from Lidl and is about 5 years old.

                                    dsc03257.jpg

                                    I sometimes use the tips to mark out work. Last year I dropped it on a concrete floor and then stood on it. It went through a spell of losing zero which turned out to be due to a pack of bad batteries, possibly fakes. Later it became unreliable because the innards had collected oily swarf and needed a good clean.

                                    I wouldn't claim much accuracy but measurements are in close agreement with my other (not quite so cheap) digital calipers and a micrometer. It's certainly 'good enough' for most of my purposes. And despite a hard life it's still going strong.

                                    My point is that it's sometimes useful to have disposable tools that can be abused and broken without the owner feeling bad about it. I need counselling and alcohol whenever I spoil a quality tool!

                                    #221367
                                    Robin teslar
                                    Participant
                                      @robinteslar

                                      But you see guys, the old mechanical methods were reliable as much as you respected them.

                                      I hope you understand my point

                                      #221374
                                      the artfull-codger
                                      Participant
                                        @theartfull-codger

                                        I use my cheapo aldi digital calipers [digital verniers don't exist even though some are advertised as such] for most run of the mill jobs & mitutoyo ones for more important jobs, they seem to have a smoother more positive action,cheapo's don't seem to like the cold & use more batteries but you can make tailstock mounts etc as they're so cheap, I have lovely set of 8"moore & wright verniers which have a much larger scale than most standard ones & are easy to read & I use then regularly to " keep my hand in" & because I like using them, but for really accurate jobs, the mike' comes out of course.

                                        Graham.

                                        #221377
                                        Mick Henshall
                                        Participant
                                          @mickhenshall99321

                                          I'm happy that those that use these are in the main pleased with them,personally I only use the thimble type micrometers, 1"and a set that measures 1"-6" never liked the operation of digital types couldn't get the same reading twice just seemed inacccurate to me perhaps my technique wasn't very good

                                          Mick

                                          #221393
                                          Chris Evans 6
                                          Participant
                                            @chrisevans6

                                            I am so happy with my Aldi calliper that I gave my Mitotoyo one away. Ok It was old and the display was small but the cheap ones are good enough. Tailstock readout and mill quill read out all from cheap Aldi callipers. Would you spend Mitotoyo money to use them for that ?

                                            #221454
                                            Ajohnw
                                            Participant
                                              @ajohnw51620
                                              Posted by Chris Evans 6 on 16/01/2016 22:37:29:

                                              I am so happy with my Aldi calliper that I gave my Mitotoyo one away. Ok It was old and the display was small but the cheap ones are good enough. Tailstock readout and mill quill read out all from cheap Aldi callipers. Would you spend Mitotoyo money to use them for that ?

                                              The reason people buy them is for the specification shown here which applies over the full range.

                                              **LINK**

                                              Mine hasn't got the data output. Cost around £85. I've had it over 3 years and changed the battery recently because I thought I may as well do it and was changing the battery in a Draper mic I bought.

                                              My previous pair still work but the battery hatch has miss behaved at times and I wanted more than 6" of measurement range. I've had that one so long that I haven't a clue when I bought it. Sad the battery hatch is acting up because I doubt if I changed it more than 3 or 4 times and must have been a bit ham fisted once. The Mitutoyo hatch is more robust.

                                              Actually for some reason I think the batteries don't fit properly any more it came with a spare and that and the one in it lasted a very very long time.

                                              John

                                              #221475
                                              Vic
                                              Participant
                                                @vic

                                                There are some fairly good budget ones around but a lot of them aren't much cop.

                                                I wouldn't swap my Mitutoyo for supermarket ones but they're good enough for rough measurements or working brown stuff.

                                                **LINK**

                                                #221477
                                                Vic
                                                Participant
                                                  @vic

                                                  These are a good deal at the moment.

                                                  **LINK**

                                                  #221513
                                                  John Stevenson 1
                                                  Participant
                                                    @johnstevenson1

                                                    So watching the video they only tell you the old series are crap now they have a new series out ?

                                                    Thank you Mitutoyo.

                                                    My Chinese £10 ones don't do that

                                                    #221527
                                                    Jon
                                                    Participant
                                                      @jon

                                                      Its called progress, something the Chinese will eventually copy.
                                                      No need on IP66 or IP67 stuff.

                                                      Wish I could get my £7 Aldi Chinese calipers not to throw up constant spurious readings.

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