In addition to pocket JET, the RJ-4250WB/4230B (paper width is 4 inch) can be used. However it will not be able to print as an action.
The Yokogawa Test&Measurement DL950 ScopeCorder captures and analyzes a wide variety of electrical, physical sensor signals, and serial buses. It offers a unique combination of high sampling rates, for a detailed view and long recording times to monitor trends over time.