Tektronix digital storage oscilloscope tps2000b series tektronix tps2012b the tektronix tps2012b is a 2 channel digital storage oscilloscope the oscilloscope offers a distinctive range of capabilities with controls and menus you will find familiar and easy to use the oscilloscopes incorporates the isolatedchannel8482 technology that provides isolation from ground and isolation between channels allowing you to take measurements with less worry about damaging circuitry the tps2012b ca