What is isolation amplifier?

Isolation amplifier are good to reduce common mode noise interference in measurement's, breaking earth loops, isolate signals fx. from sensor to computer, etc.

Isolation amplifiers have application in many fields like:

- R&D and other professional laboratory

- Education

- Field measurements

- ECG, EEG & EMG measurements

Example of a classic isolation amplifier : http://www.h-instruments.com/Isolation_Amplifier__ISO-10___01Hz_to_100KHz/p484050_1774436.aspx