Digital multimeter for £2.89 @ Electromarket

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  saint_71411 months, 2 weeks ago1 Like #1Show comment toolsReply

  this was posted before and reached 1000..heat added for the price.. Amazon Here
  Instructions/Operations Manual Here
  
  
  

  
  Edited By: saint_714 on May 30, 2012 11:39: add info
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  seal611 months, 2 weeks ago #2Show comment toolsReply

  hot
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  LongPockets11 months, 2 weeks ago #3Show comment toolsReply

  Can't tell from the spec- is this one of the ones powered by a button cell? Prefer the AA powered ones if so, which are often found at similar prices.
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  Salkeld11 months, 2 weeks ago1 Like #4Show comment toolsReply

  Got one of those, only slight downside is lack on beep on continuity test.
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  jamsammy9911 months, 2 weeks ago #5Show comment toolsReply

  nice find fella! heat added.
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  zerospin11 months, 2 weeks ago #6Show comment toolsReply

  Would this be a good way of testing the power levels on a marine 12 volt battery? Or is it basically just for testing if current is passing through a particular circuit?
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  wubwubwobblee11 months, 2 weeks ago #7Show comment toolsReply

  LongPockets

  Can't tell from the spec- is this one of the ones powered by a button cell? Prefer the AA powered ones if so, which are often found at similar prices.

  
  
  It takes one of the rectangle 9v batteries
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  pete_l11 months, 2 weeks ago #8Show comment toolsReply

  lohsmith

  Would this be a good way of testing the power levels on a marine 12 volt battery? Or is it basically just for testing if current is passing through a particular circuit?

  Broadly, yes. It will measure the battery's voltage which will give you a good idea of how discharged the battery is. You can also use it to measure the amount of current your equipment is using (which will tell you how quickly the charge is being used up) - but you will have to ready the instructions first
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  zerospin11 months, 2 weeks ago #9Show comment toolsReply

  pete_l

  lohsmith

  Would this be a good way of testing the power levels on a marine 12 volt battery? Or is it basically just for testing if current is passing through a particular circuit?

  Broadly, yes. It will measure the battery's voltage which will give you a good idea of how discharged the battery is. You can also use it to measure the amount of current your equipment is using (which will tell you how quickly the charge is being used up) - but you will have to ready the instructions first

  
  
  Many thanks Pete - this sounds like just the ticket. (I have solar panels and an outboard motor with a charge cable that are charging the batteries....then depth sounder, lights and mobile phone/laptop sucking out the power. This should help me find a good balance)
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  pete_l11 months, 2 weeks ago #10Show comment toolsReply

  Even cheaper - you can get a "4 pack" for a tenner
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  scoobytawazara11 months, 2 weeks ago #11Show comment toolsReply

  I think the multimeter bit might be a bit of a giveaway! It measures continuity,voltage, current ,resistance, capacitance and transitor values.And will give a very accurate reading on your marine battery.
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  scoobytawazara11 months, 2 weeks ago #12Show comment toolsReply

  I think the multimeter bit might be a bit of a giveaway! It measures continuity,voltage, current ,resistance, capacitance and transitor values.And will give a very accurate reading on your marine battery.
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  zerospin11 months, 2 weeks ago #13Show comment toolsReply

  scoobytawazara

  I think the multimeter bit might be a bit of a giveaway! It measures continuity,voltage, current ,resistance, capacitance and transitor values.And will give a very accurate reading on your marine battery.

  
  
  Well, looking on some sailing forums, no-one seemed to use these multimeters for measuring their batteries - they had custom voltage power dials. This seems like a far more sensible and cheap approach - always useful to get someone else's (Pete's) opinion.
  Looking at the multimeter picture, there didn't seem to be a 12v specific setting - hence the question.
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  aberfal11 months, 2 weeks ago #14Show comment toolsReply

  I remember last year buying these for 90p from CPC
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  CheshireLady11 months, 2 weeks ago #15Show comment toolsReply

  The server has gone down,so unable to order currently.
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  diktiomenos11 months, 2 weeks ago #16Show comment toolsReply

  scoobytawazara

  I think the multimeter bit might be a bit of a giveaway! It measures continuity,voltage, current ,resistance, capacitance and transitor values.And will give a very accurate reading on your marine battery.

  
  This one doesn't measure capacitance, you can see even on the photo that it doesn't have a Farad scale.
  
  
  

  lohsmith

  Well, looking on some sailing forums, no-one seemed to use these multimeters for measuring their batteries - they had custom voltage power dials. This seems like a far more sensible and cheap approach - always useful to get someone else's (Pete's) opinion.
  Looking at the multimeter picture, there didn't seem to be a 12v specific setting - hence the question.

  
  You just set the dial at the 20V DC Voltage range.
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  LongPockets11 months, 2 weeks ago1 Like #17Show comment toolsReply

  lohsmith

  scoobytawazara

  I think the multimeter bit might be a bit of a giveaway! It measures continuity,voltage, current ,resistance, capacitance and transitor values.And will give a very accurate reading on your marine battery.

  
  
  Well, looking on some sailing forums, no-one seemed to use these multimeters for measuring their batteries - they had custom voltage power dials. This seems like a far more sensible and cheap approach - always useful to get someone else's (Pete's) opinion.
  Looking at the multimeter picture, there didn't seem to be a 12v specific setting - hence the question.

  
  
  Measuring a lead acid battery's voltage under no load gives you little idea about its condition.
  
  You don't measure 12 volts on a "12 volt setting". You use the range which encompasses the voltage you are expecting, with a higher maximum- in this case probably the 20 volt range. Lead acid batteries generally read higher than 12 volts anyway.
  
  Given the question, I suggest that you will need more knowledge to use this meter. The instruction that come with it will certainly not be enough.
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  panyan11 months, 2 weeks ago1 Like #18Show comment toolsReply

  what i understand is these cheap multimeters as horrendously inaccurate
  
  i have ordered one as i just need to check current is going through a connection therefore any value it spits out will tell me
  
  i wouldnt advise if you doing something with this that needs any sort of electrical precision
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  lucylouk11 months, 2 weeks ago #19Show comment toolsReply

  Salkeld

  Got one of those, only slight downside is lack on beep on continuity test.

  
  
  I can't cope without a buzzer, good if you don't need one I guess :|
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  v553511 months, 2 weeks ago #20Show comment toolsReply

  will replace my megger (_;)

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