DMM ac readout with signal

Ralph · 18th August 2005, 07:30 AM

What is the 'normal' readout when measuring AC with your DMM when you're just connecting the probes together? Or when measuring a circuit without any signal. This should of couse be 0mV but my DMM always gives me a couple of mV.

peranders · 18th August 2005, 07:42 AM

If you take 5-10 cm cable the reading should be more or less zero but with 1-2 meters you will get something in the cables from electrical fields around you.

18th August 2005, 07:30 AM	#1
Ralph diyAudio Member Join Date: Apr 2002 Location: Culemborg, The Netherlands	DMM ac readout with signal What is the 'normal' readout when measuring AC with your DMM when you're just connecting the probes together? Or when measuring a circuit without any signal. This should of couse be 0mV but my DMM always gives me a couple of mV.

18th August 2005, 07:42 AM	#2
peranders Electrons are yellow and more is better! diyAudio Member Join Date: Apr 2002 Location: Göteborg, Sweden Blog Entries: 4	If you take 5-10 cm cable the reading should be more or less zero but with 1-2 meters you will get something in the cables from electrical fields around you. __________________ /Per-Anders (my first name) or P-A as my friends call me

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