voltmeter

Home > ... > Science and Technology > Computers and Electrical Engineering > Electrical Engineering > ...

Essential reading Compare
side-by-side The Oxford Pocket Dictionary ... World Encyclopedia The Columbia Encyclopedia, ...

voltmeter

voltmeter instrument used to measure differences of electric potential , commonly called voltage, in volts or units that are multiples or fractions of volts. A voltmeter is usually combined with an ammeter and an ohmmeter in a multipurpose instrument. Most voltmeters are based on the d'Arsonval galvanometer and are of the analog type, i.e., they give voltage readings that can vary over a continuous range as indicated by a scale and pointer. However, digital voltmeters, which provide voltage readings that are composed of a group of digits, are becoming increasingly common. Since an oscilloscope is capable of giving a calibrated visual indication of voltage, it can be called a voltmeter. See also potentiometer .

Create a link to this page

Copy and paste this link tag into your Web page or blog:

<a href="http://www.encyclopedia.com/topic/.aspx#1E1-voltmete" title="Facts and information about voltmeter">voltmeter</a>

Give this article a thumbs-up on StumbleUpon

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

"voltmeter." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 20 Dec. 2009 <http://www.encyclopedia.com>.

"voltmeter." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. (December 20, 2009). http://www.encyclopedia.com/doc/1E1-voltmete.html

"voltmeter." The Columbia Encyclopedia, Sixth Edition. 2008. Retrieved December 20, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-voltmete.html

Learn more about citation styles

voltmeter

World Encyclopedia | 2005 | Â© World Encyclopedia 2005, originally published by Oxford University Press 2005. (Hide copyright information) Copyright

voltmeter Instrument for measuring the voltage (potential difference) between two points in an electrical circuit. Voltmeters are always connected in parallel with the components whose voltages are being measured. A voltmeter has a high internal resistance compared with the resistance across which it is connected. See also ammeter

Create a link to this page

Copy and paste this link tag into your Web page or blog:

<a href="http://www.encyclopedia.com/topic/.aspx#1O142-voltmeter" title="Facts and information about voltmeter">voltmeter</a>

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

"voltmeter." World Encyclopedia. 2005. Encyclopedia.com. 20 Dec. 2009 <http://www.encyclopedia.com>.

"voltmeter." World Encyclopedia. 2005. Encyclopedia.com. (December 20, 2009). http://www.encyclopedia.com/doc/1O142-voltmeter.html

"voltmeter." World Encyclopedia. 2005. Retrieved December 20, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O142-voltmeter.html

Learn more about citation styles

voltmeter

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

volt·me·ter / ˈvōltˌmētər/ • n. an instrument for measuring electric potential in volts.

Create a link to this page

Copy and paste this link tag into your Web page or blog:

<a href="http://www.encyclopedia.com/topic/.aspx#1O999-voltmeter" title="Facts and information about voltmeter">voltmeter</a>

Cite this article
Pick a style below, and copy the text for your bibliography.

MLA
Chicago
APA

"voltmeter." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 20 Dec. 2009 <http://www.encyclopedia.com>.

"voltmeter." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (December 20, 2009). http://www.encyclopedia.com/doc/1O999-voltmeter.html

"voltmeter." The Oxford Pocket Dictionary of Current English. 2009. Retrieved December 20, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-voltmeter.html

Learn more about citation styles

Free newspaper and magazine articles

	New Cypress Kit Demonstrates Precision Analog of PSoC[R] 3 Architecture Via Highly Integrated Voltmeter. Business Wire; 12/7/2009
	Chinese Technology Demonstrated: Handy Voltmeter for the Power Industry. Business Wire; 6/11/1996
	Fluke to Retire 8840 Series DMMs And 8920 Series RF Voltmeters; Older Bench Multimeters Available for a Limited Time. Business Wire; 6/7/1999

Facts and information from other sites

Related articles from newspapers, magazines, and more

	Understanding and selecting rms voltmeters.(Buyers Guide) Magazine article from: EDN; 5/11/2000; ; 700+ words ; ...Similarly, the voltmeter must have the crest...Unfortunately, most ac voltmeters, including digital...NOISE-DRIVEN AC VOLTMETERS The wide performance...selecting an ac voltmeter. Comparing ac Bench DVM voltmeters intended for use...
	How to select a voltmeter. (Test & Measurement).(Brief Article) Magazine article from: R & D; 6/1/2002; ; 700+ words ; ...voltmeter is not an ideal voltmeter. Ideal voltage sources...the load. An ideal voltmeter has infinite input...circuit. Because real voltmeters have finite input impedance...theoretical limits. Voltmeter: An instrument for...WEB RESOURCES FOR VOLTMETERS: www.keithely...
	Using Voltmeters and Ohmmeters.(Brief Article) Magazine article from: Air Conditioning, Heating & Refrigeration News; 4/2/2001; ; 700+ words ; ...Keeping the electrical power on and using a voltmeter to voltage troubleshoot is the fastest...order to get to the root of the problem. VOLTMETER Figure 1 shows an electric PSC motor...this case would be 0 V, because the voltmeter would be measuring between Line 1 and...
	Religious voltmeter use could help save your life. (measuring electrical power of hvac equipment) Magazine article from: Air Conditioning, Heating & Refrigeration News; 11/27/1989; ; 700+ words ; Religious voltmeter use could help save your life Never...off" position. Check it out with a voltmeter. A few extra minutes taken to make...really off could save your life. A voltmeter is used to measure the potential electrical...
	Troubleshooting with voltmeter.(REFRIGERATION ZONE: the professor) Magazine article from: Air Conditioning, Heating & Refrigeration News; 3/31/2008; ; 700+ words ; ...illustrate how to voltage troubleshoot using a voltmeter. The figure here shows a 23o-V, single...certain points of the schematic if a voltmeter were used in troubleshooting. The diagram...measured voltages. Notice that any time the voltmeter probes see both L1 and L2, 230 V will...
	Electrical troubleshooting using a voltmeter.(Brief Article) Magazine article from: Air Conditioning, Heating & Refrigeration News; 12/5/2005; ; 700+ words ; ...into voltage troubleshooting using a voltmeter. The diagram (pictured at right) is...certain points of the schematic if a voltmeter were used in troubleshooting. The diagram...measured voltages. Notice that anytime the voltmeter probes see both Line No. 1 and Line...
	Getting a gauge on voltmeter.(Knight Ridder Newspapers) Newspaper article from: Knight Ridder/Tribune News Service; 11/27/2004; ; 700+ words ; ...purchased a slightly used SUV that has a voltmeter in the instrument panel, along with...Many modern vehicles are equipped with a voltmeter, which is helpful in monitoring electrical...switch on and the engine off, does the voltmeter read a bit above 12 volts? If so, it...
	Getting a gauge on voltmeter. Newspaper article from: San Jose Mercury News (San Jose, CA); 11/26/2004; 700+ words ; ...purchased a slightly used SUV that has a voltmeter in the instrument panel, along with...Many modern vehicles are equipped with a voltmeter, which is helpful in monitoring electrical...switch on and the engine off, does the voltmeter read a bit above 12 volts? If so, it...
	Vector voltmeter applications in microwave imaging. Magazine article from: Microwave Journal; 11/1/1991; ; 700+ words ; Vector Voltmeter Applications in Microwave Imaging Introduction...requires the use of a microwave vector voltmeter. Because it is not possible to place...reflectometer principle may be used. A vector voltmeter is a device that measures the complex...
	New Cypress Kit Demonstrates Precision Analog of PSoC[R] 3 Architecture Via Highly Integrated Voltmeter. Business Wire; 12/7/2009; 700+ words ; ...CY8CKIT-007 PSoC 3 Precision Analog Voltmeter Demo Kit showcases a PSoC 3 device as a single-chip voltmeter, using an onboard 20-bit Delta Sigma...and four PGAs, TIAs or Mixers. The voltmeter in the kit measures -30V to 30V of DC...