XPost: at.home.repair, uk.d-i-y   
   From: LuciferMorningstar@bigpond.com   
      
   On Tue, 14 May 2019 10:36:59 +0100, Andy Bennet    
   wrote:   
      
   >On 12/05/2019 07:49, Brian Gaff wrote:   
   >> If you are measuring volts then ac is best on a calibrated scope of course,   
   >> but I've seen some very strange results from clamp meters in the past, and   
   >> after all there are a lot of variables going on all at once.   
   >>   Brian   
   >>   
   >   
   >I didn't know you could measure volts with the clamp part of a clamp meter.   
      
   You can't.   
      
      
   >If it is of the newer (as in less than 25 years old) hall effect sensor   
   >devices then it will be more susceptable to stray magnetic fields. There   
   >should be a calibrate/zero button on it somewhere which you should use   
   >just before you clamp on to cancel all these effects out before measurement.   
      
   If you clamp both active and neutral they will cancel out and you   
   will get no reading.   
      
   I have a Clamp Leaker 140.   
   http://www.multimic.com/assets/e/catalog/e_ca_m140.pdf   
      
    http://www.multimic.com/assets/e/instruction_manual/e-ma-m140.pdf   
      
   Any idea how old?   
      
   --- SoupGate-Win32 v1.05   
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