XPost: sci.electronics.equipment   
   From: CFKinsey@military.org.jp   
      
   On Fri, 19 Jun 2020 00:38:29 +0100, Ralph Mowery    
   wrote:   
      
   > In article , CFKinsey@military.org.jp says...   
   >> > -My several hundred dollar Fluke meter shows DC volts to be .05 % +- 1   
   >> > digit.   
   >>   
   >> The meters I have are not several hundred dollars, so are you saying   
   they're only +/- 1 digit?  Is the error much higher on the one under   
   discussion because it's a clamp meter?   
   >>   
   >>   
   >   
   > The larger error is because of the price difference.  It costs more to   
   > make a part that is .01 % than it does to make one that is 2 %.  The   
   > .01% parts may just be the 2 % ones that are hand sorted to .01%.   
   >   
   > I am sure that the clamp part does play some part in how accurate the   
   > meter is.   
      
   But what I'm surprised at is a £5 multimeter (not clamp) not giving a digits   
   error.  Maybe precision on a simple voltmeter is cheap as chips nowadays?   
      
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