The Tektronix TPS2000 Series of Digital Storage Oscilloscopes are portable and light, making them easy to be used on the bench or in the field. This series has both two and four channel models, a bandwidth of either 100 or 200 MHz, a record length of 2.5k points, and a sample rate of 1.0 GS/s or 2.0 GS/s. The TP2000 Series is battery powered, so they can be operated for as long as 8 hours with two battery packs installed or for four hours with one battery pack. These digital storage oscilloscopes can be used with certain types of current and voltage probes.