Question about the difference between an ohm-meter and a "megger"
Jan 27, 2009 · A ohmeter, is designed to measure ohms. actually it dosent measure ohms it calulates ohms based on an applied voltage and a measured current, (snip) Right, I understand that, if the …
Figuring wire length with a ohmmeter? | Information by Electrical ...
Apr 29, 2014 · An ordinary ohmmeter won't do it. From the ITT "Radio Engineers Handbook" the resistance of #3 Annealed copper wire at 20 C (68 F) is about 0.197 ohms per 1000n ft. Thus, your …
Infinity readings | Information by Electrical Professionals for ...
Nov 1, 2014 · Along with some less common methods, an ohmmeter can apply a fixed voltage, and measure the current. The display must read the inverse of the current, making for an odd looking …
Measuring Instruments - bartleby
The ohmmeter is an electrical resistance measurement tool expressed in ohms. On simple ohmmeters, the resistance to be measured may be connected to the instrument in parallel or series.
Answered: 6. A simple ohmmeter can be constructed from an
6. A simple ohmmeter can be constructed from an ammeter as shown in Figure P5.6. In this design the measured resistance is given by the equation R = 10/1 1 kn. If this ohmmeter is used to measure the …
Testing three phase motors - Mike Holt's Forum
Jan 23, 2020 · A two-wire ohmmeter won't be accurate enough to detect shorted turns, but a four-wire ohmmeter might. If you are going behind a two wire ohmmeter, an impedance meter that applies an …
Digital Multimeter for resistance | Information by Electrical ...
Feb 2, 2011 · The ohmmeter reading are actual readings. Take my 20K reading of .04. Larry says "For example, if you get a reading of 3.87 with the scale set to 20K, then the resistance is 3.87K ohms. So …
Control Transformer Winding Resistance Test | Information by Electrical ...
Jun 7, 2013 · Remember that when you use a DC powered ohmmeter what you are reading is the DC resistance of the windings. When the transformer is actually in use the current through it will be in …
Answered: ou are working as an electrician in a large steel ...
ou are working as an electrician in a large steel manufacturing plant, and you are in the generator. You have megged both the series and shunt field windings and found that each has over 10 MS2 to …
While measuring resistance: Technician A uses an ohmmeter to
While measuring resistance: Technician A uses an ohmmeter to measure resistance of a component before disconnecting it from the circuit. Technician B uses a voltmeter to measure voltage drop.