The Model 8807-01 and 8808-01 portable waveform recorders provide two- or four isolated, analog input channels, color displays, and a removable printer. They also include a PC Card slot and fax/modem communications. The Model 8808-01 includes four analog channels and eight logic channels. Both models provide sampling rates of up to 400 ks/s and a measurement analysis resolution of 12 bits.