The OR100E/OR300E series of Handy Oscillographic Recorders are complete multi-purpose recorders featuring up to four isolated analog input channels, fax/ modem capability using a PC card, four-mode power supply and powerful trigger functions. The OR300E also has a harmonic analysis function. These recorders are small in size, with a footprint equivalent to a sheet of B5 paper, and weigh only 1.4 kg. They can be used standalone for a wide range of applications, from low-speed/long-term continuous recording to high-speed recording of transient conditions.