Whether you're recording data to spot problems, check on how your engine is being operated by other pilots or just to keep a record on how your engine is doing, the MUX-8A provides a simple way to record and retrieve aircraft and engine data.
E.I. products include all documentation and certifications
I'd give it 4 or 5 stars 15 years ago... but these days, nothing I want to have to deal with. Find yourself a serial to USB converter, find the software driver, install, futz around, download- slowly- meanwhile the guy that has the engine monitor with the SD card is long done. OLD TECH! In need of an update- 5 years ago!
Per the supplier: It has a cable from jack to the DB9. However, if the customer is using USB they will need to purchase 10-04978, EI keyspan serial to USB adapter, separately. See "Accessories" tab.
Per the manufacturer, the EI MUX8A Data recorder can record data from up to 8 devices. The EI UBG automatically outputs data. If you would like to use other EI gauges with the MUX8A, they would have to be sent back to EI for this configuration.