Good explanation Steve.... I am an electrical engineer and don't think I could have said it better!!!!! ����� .............. ----- Original Message ----- From: "Steve Allen" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Wednesday, December 04, 2002 10:07 AM Subject: Re: [Chevelle-List] Fw: multimeter help
: "Rodney." <[EMAIL PROTECTED]> wrote: : > To measure resistance I think I am supposed to turn the meter to either : > (going by memory here, forgive me) 200 ohm, 2k ohm, 200k ohm, 2 M ohm, or : > 20 M ohm. : > : > I'm thinking I should set it to 2M, but I'm not sure. Could someone let me : > know if this is correct and maybe a quick explination why? : : You want the lowest range that will still be higher than the resistance : measured. This gives you the the most accurate reading. : : In an analog meter, on a higher range, the needle will swing over so far to : zero as to be indistinguishable from it. : : Most digital meters are autoranging -- they only have an ohms setting and : will pick the lowest range to give a "mid-scale" reading. : : On digital meters where you have to set the range, start low and work up : until it no longer displays "OV". (You'd want to do the opposite with : voltage and current -- start high and work down.) : : > Next, I (after turning off all power in the wire) connect one lead to one : > end of the wire and one lead to the other end. : : Be sure to disconnect one end of the wire from the circuit, or you'll be : reading multiple paths, which will affect the displayed value. : : > Will the reading say 35, 37, 49, etc. or will it be in decimal like .035? : > (remember I'm trying to get 35 ohms of resistance or more) : : It will be a whole number. : : HTH, : Steve : : : ----------------------------------------------------- : To Unsubscribe please visit www.chevelles.net/list.html : To start a new topic, send mail to: [EMAIL PROTECTED] ----------------------------------------------------- To Unsubscribe please visit www.chevelles.net/list.html To start a new topic, send mail to: [EMAIL PROTECTED]
