Eldridge Products” Master-Touch thermal dispersion gas mass flowmeters and patented thermal dispersion Flow Averaging Tubes (FAT™) provide accurate, reliable, and economical flow measurement of gases in a variety of process applications and installations. A free EPICommunicator PC-based software system supports field calibration of Master-Touch flowmeters to adjust for on-site conditions through secondary polynomial coefficients and segment adjustments. The E-Logger module of EPICommunicator provides full data logging of critical flow information, exports to common formats, and graphs the results for easy analysis.