Multimeters Learn all about DM

This app includes:
*** Basic introduction to the meter
*** Symbols which you should know while using the meter
*** All tasks which you can perform using DM
*** Battery testing and checking
*** Capacitance measurement
*** Diode checking using the device
*** Fuse checking
*** Frequency checking
*** LED Testing
*** MOSFET
*** Temperature Measurement

Theory and working of voltmeters

And different voltmeter models review.