I have a Sievers 280i Nitric Oxide Analyzer that I would like to simply collect real time NO concentration values and store in a text file. There are no drivers available from GE (they bought out Sievers) and the programmer who wrote their application specific software (which doesn't act like a datalogger). Also, they are not sharing their command set! So, anyone have any suggestions on how to communicate through the serial port on this instrument?? Much thanks! (email: Robert.Gill@Ikaria.com)