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