MESR-100 ESR meter...

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  • tmcw
    Badcaps Veteran
    • Oct 2010
    • 382
    • Ireland
    #1

    MESR-100 ESR meter...

    I'm on the lookout for an ESR meter, I've read a lot of the other posts and opinions on some of the other available meters, and saw this one on eBay, and was wondering if anyone else here had any experience of this unit?

    Is it a clone of another unit perhaps?

    http://www.ebay.co.uk/itm/170871601239

    There seem to be quite a few sellers on eBay selling the same model. And it seems a bit cheaper than the others, so might be something for someone like myself who might only want to check a handful of caps a week/fortnight.
    Tags: None
    • killian6pk
      Badcaps Veteran
      • Apr 2010
      • 502
      • USA
      #2
      Re: MESR-100 ESR meter...

      Don't know anything about it. That is a very good price if it does what it says.
      This is the one I have. It originally came from Russia I think. It does a good job, but the price is higher than the one you are looking at. I think I remember paying about $75.00 for mine.
      http://www.ebay.com/itm/New-ESR-and-...item3378401572
      Have you ever stopped to think and then forget to start thinking again?

      As a very wise man once said on this forum: "Of all the things I have lost I miss my mind the most."

        Comment

        • Kiriakos GR
          Banned
          • May 2012
          • 940
          • Greece
          #3
          Re: MESR-100 ESR meter...

          It is locked at 100KHz.

          And so its someway usable for small in capacity electrolytic.
          For large ones you must have 100Hz as minimum.

          About accuracy looks very simple design and it should work well.
          But it does the half of the job ..

            Comment

            • tmcw
              Badcaps Veteran
              • Oct 2010
              • 382
              • Ireland
              #4
              Re: MESR-100 ESR meter...

              Originally posted by Kiriakos GR
              It is locked at 100KHz.

              And so its someway usable for small in capacity electrolytic.
              For large ones you must have 100Hz as minimum.

              About accuracy looks very simple design and it should work well.
              But it does the half of the job ..
              By half the job, you mean because it doesn't measure the capacitance, or something else it's lacking?

              I saw another one, works out at less than Ā£50 including shipping from Hungary, and does both ESR and capacitance: http://www.ebay.co.uk/itm/140750932752

              I know it doesn't look the most portable, but I was half thinking about getting a kit and putting it into a box like this anyway. Anyone with any experience of this one? The display looks familiar, so the insides may be the same as some of the kits that are out there.

              I also like the fact it runs off a power supply. I know it makes it less portable, but some of the others I've seen require the case to be cracked open to replace batteries, which is far from ideal.

                Comment

                • Kiriakos GR
                  Banned
                  • May 2012
                  • 940
                  • Greece
                  #5
                  Re: MESR-100 ESR meter...

                  No no, I am not suggesting home made builds of instruments, that some one does the assembly at his own back yard.

                  Even the cheapest Chinese meter was checked by engineers, well payed or not it is another subject.

                    Comment

                    • tmcw
                      Badcaps Veteran
                      • Oct 2010
                      • 382
                      • Ireland
                      #6
                      Re: MESR-100 ESR meter...

                      Originally posted by tmcw
                      ...
                      I saw another one, works out at less than Ā£50 including shipping from Hungary, and does both ESR and capacitance: http://www.ebay.co.uk/itm/140750932752...
                      For anyone who's interested, I found a thread on eevblog about this unit, has some internal photos shown. I might give it a shot, unless anyone has any suggestions, or alternative recommendations.

                      http://www.eevblog.com/forum/product...nit-from-ebay/

                        Comment

                        • killian6pk
                          Badcaps Veteran
                          • Apr 2010
                          • 502
                          • USA
                          #7
                          Re: MESR-100 ESR meter...

                          Originally posted by tmcw
                          For anyone who's interested, I found a thread on eevblog about this unit, has some internal photos shown. I might give it a shot, unless anyone has any suggestions, or alternative recommendations.

                          http://www.eevblog.com/forum/product...nit-from-ebay/
                          If you go to the EEV website or YouTube video's, he has done worlds of testing on electronic test devices such as DMMs and Oscilloscopes. Doing side by side comparisons and he might have done one on ESR Meters. It is worth a check. If you have never seen this guy, he is a one man show, but I am sure he is very knowledgeable. Just might be a little on the Type A side of things. Maybe even certifiable.
                          Have you ever stopped to think and then forget to start thinking again?

                          As a very wise man once said on this forum: "Of all the things I have lost I miss my mind the most."

                            Comment

                            • retiredcaps
                              Badcaps Legend
                              • Apr 2010
                              • 9271
                              #8
                              Re: MESR-100 ESR meter...

                              Originally posted by killian6pk
                              Doing side by side comparisons and he might have done one on ESR Meters
                              He hasn't yet.

                              Just might be a little on the Type A side of things. Maybe even certifiable.
                              I'm sure he will find the above as a compliment.
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                                Comment

                                • Kiriakos GR
                                  Banned
                                  • May 2012
                                  • 940
                                  • Greece
                                  #9
                                  Re: MESR-100 ESR meter...

                                  In a video you can watch the actor, but no the true man.
                                  This is a common mistake made by many.

                                  This is why you have to watch or read many sources of information and give less attention about the styling.

                                    Comment

                                    • herita
                                      Member
                                      • Aug 2012
                                      • 17
                                      • France
                                      #10
                                      Re: MESR-100 ESR meter...

                                      Originally posted by Kiriakos GR
                                      It is locked at 100KHz.

                                      And so its someway usable for small in capacity electrolytic.
                                      For large ones you must have 100Hz as minimum.

                                      About accuracy looks very simple design and it should work well.
                                      But it does the half of the job ..

                                      hi , i'm upping this topic because i'm looking to buy this meter from the bay too.
                                      so this one is blocked at 100khz _ small capacity electrolytic, can you give some exemple ?

                                      , i'm still a new bie in this sector

                                        Comment

                                        • Kiriakos GR
                                          Banned
                                          • May 2012
                                          • 940
                                          • Greece
                                          #11
                                          Re: MESR-100 ESR meter...

                                          There is not much to say other than the fact that the "smart" LCR they are capable to select by them self's the proper test frequency for the advanced test, by determining first the size of the capacitor.

                                          By using a simple example its like having a multimeter with fixed ranges, and the "smart" LCR represents the modern meter with autoranging.

                                          About finding of what frequency is preferable for a specific size of a capacitor.
                                          You can have a look of the user's guide of the Agilent U1733C.

                                            Comment

                                            • brethin
                                              Badcaps Legend
                                              • Dec 2008
                                              • 1907
                                              • USA
                                              #12
                                              Re: MESR-100 ESR meter...

                                              Picked up one of these for $39 shipped, they were asking $59 but I made them a offer of $39 and they excepted so when it arrives I will know more about it.

                                                Comment

                                                • budm
                                                  Badcaps Legend
                                                  • Feb 2010
                                                  • 40746
                                                  • USA
                                                  #13
                                                  Re: MESR-100 ESR meter...

                                                  @brethin, is it from from Ebay? I sure like to get one for that price. How did you go about offering the lower price on ebay?
                                                  Last edited by budm; 10-07-2012, 07:57 PM.
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                                                    Comment

                                                    • MDOC
                                                      EngineeringTech
                                                      • Mar 2010
                                                      • 146
                                                      • USA
                                                      #14
                                                      Re: MESR-100 ESR meter...

                                                      Originally posted by tmcw
                                                      I also like the fact it runs off a power supply. I know it makes it less portable, but some of the others I've seen require the case to be cracked open to replace batteries, which is far from ideal.
                                                      No worse off than any handheld device, oscilloscope or DMM.

                                                        Comment

                                                        • ericg
                                                          New Member
                                                          • Oct 2012
                                                          • 3
                                                          • France
                                                          #15
                                                          Re: MESR-100 ESR meter...

                                                          I'm also near to order an ESR meter, too many of my friends are asking me to fix they faulty LCD monitors due to bad caps...
                                                          I was searching on ebay and find also the MESR-100 but I also found the kits from EVB in Portugal based on Bob Parker design.
                                                          About the comment from Kiriakos GR regarding the 100 kHz locked frequency of the Ebay ESR meter, would a kit from B. Parker be a better tool? Is it also locked to one frequency? This is unclear from the various pages I have read!

                                                            Comment

                                                            • mariushm
                                                              Badcaps Legend
                                                              • May 2011
                                                              • 3799
                                                              #16
                                                              Re: MESR-100 ESR meter...

                                                              erig, talk to RusMike here on this forum and order ESRmicro he makes. It's reasonably priced and very good.

                                                              ESRmicro page (in russian) : http://www.radiodevices.ru/esr/esr4.htm
                                                              the manual (in english) :

                                                              Here's the user, give him a private message and he'll get back to you: https://www.badcaps.net/forum/member.php?u=12802

                                                                Comment

                                                                • ericg
                                                                  New Member
                                                                  • Oct 2012
                                                                  • 3
                                                                  • France
                                                                  #17
                                                                  Re: MESR-100 ESR meter...

                                                                  Thanks for this info.

                                                                    Comment

                                                                    • Kiriakos GR
                                                                      Banned
                                                                      • May 2012
                                                                      • 940
                                                                      • Greece
                                                                      #18
                                                                      Re: MESR-100 ESR meter...

                                                                      Originally posted by ericg
                                                                      About the comment from Kiriakos GR regarding the 100 kHz locked frequency of the Ebay ESR meter, would a kit from B. Parker be a better tool? Is it also locked to one frequency? This is unclear from the various pages I have read!
                                                                      I have see this simplified ESR in action, other than the locked frequency, also haves very low resolution at the display.

                                                                      The printed values on it, are far out for called as accurate, which is understandable for one meter that is trying to do anything by working in a single range.

                                                                      Soon I will review the DER EE / DE-5000 which is a instrument of another class.
                                                                      I got passionate with those ESR meters and I made a small photo gallery about them.
                                                                      http://www.ittsb.eu/forum/index.php?topic=207.0

                                                                        Comment

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