Ammeter pdf. In effect, the ammeter will form a short circuit with the voltage source, potentially damaging the meter and/or the source. Multimeters can measure OBJECTIVE : To convert a galvanometer into an ammeter and a voltmeter of a given range. Digital ammeters use a shunt resistor and ADC I. Then determine the ampere value of the constructed ammeter. Learning how to use those meters and using them to measure the current, voltage, and resistance of an electric circuit. It describes the basic components and operating principles of basic ammeters, multirange ammeters, basic voltmeters, multirange voltmeters, electronic voltmeters including vacuum tube voltmeters and transistor voltmeters. Since ampere is the unit of current, an ammeter is an instrument designed to measure electric current. Google searches show it was Dec 2008, but nothing more. An ammeter measures current and must have very low resistance and inductive reactance to minimize voltage drop so it can be connected in series. I'd like to do this on my Challenger.