galvanometer?

F

fleamonkey

New Member

• May 7, 2010

• #1

hi im searching for a galvanometer in multisim 10. i cant seem to find one. Has anyone an idea of an alternative please?

 

C

colin55

Well-Known Member

• May 7, 2010

• #2

You can use a millivoltmeter or milliamp meter or micro amp meter.

 

F

fleamonkey

New Member

• May 7, 2010

• #3

colin55 said:

You can use a millivoltmeter or milliamp meter or micro amp meter.

Click to expand...

ii only seem to have standard ones in my database, do you know where to find them or can i alter the existing database?

 

C

colin55

Well-Known Member

• May 7, 2010

• #4

By adding a 10k to 100k resistor in series with a meter, you increase its impedance. Use an amp meter and get a reading such as 0.001 A

 

crutschow

Well-Known Member

Most Helpful Member

• May 7, 2010

• #5

So what type of non-standard one do you need?

You can measure any current or voltage in the circuit with the available devices. If you need to look at at AC current with the oscilloscope, you can use a current-controlled voltage source.

 

F

fleamonkey

New Member

• May 7, 2010

• #6

its in a wheatstone bridge. so i require the voltmeter to be as sensitive as possible . i also have an op amp in the circuit .

 

crutschow

Well-Known Member

Most Helpful Member

• May 7, 2010

• #7

So what's the sensitivity of the available voltmeter?

 

F

fleamonkey

New Member

• May 7, 2010

• #8

1 x 10-12 i beleive, im sure it will be enough to calculate my gain as both voltmeters will have the same error.

 

crutschow

Well-Known Member

Most Helpful Member

• May 7, 2010

• #9

So, you have what you need then?

 

F

fleamonkey

New Member

• May 7, 2010

• #10

looking at it again i think so lol, thankyou