[AT] Reading ohms on a digital VOM

[pga2 at hot1.net]

Charles,
Think of it like this: The Ohms scales read backwards from the Volts scales.
The highest reading is an open circuit. No current flows. As the current goes
up, the resistance (Ohms) of the circuit goes down in inverse proportion.The K
stands for "kilo" or thousands and the M stands for "Meg" or millions.
1,000 Ohms is 1K Ohm. One Million Ohms is 1M Ohm. For your coil, you want to
use the lowest scale, 200. The meter should display 001.3, 1.3 Ohms.

Phil




----- Original Message -----
>From    : charles bridges <bridgescharles at bellsouth.net>
Sent    : Thu, 28 Oct 2004 21:32:49 -0400
To      : Antique tractor email discussion group <at at lists.antique-tractor.com>
Subject : [AT] Reading ohms on a digital VOM


>I have a digital VOM and don't understand how to read it.  On the ohm scale,
the switch is marked  as follows.  (Ohm emblem)-(200)-(2k)-(20k)-(200k)-
(2m)-(20m).  What does the M and K beside the numbers mean?

In trying to use it to check a coil.  The coil should have 0.81 to 0.99
primary resistance.  If I set the meter on the ohm emblem it reads  .003.
If on the 200 scale it reads 01.3.  On the 2k it reads .001. On the  20k it
reads 0.00.  Does this mean the resistance is off the scale at the 20k
setting?

There must be something I am missing here, and I figured some of you guys
would know.

Thanks in advance
Charles
not so smart in elec.