David H Alcaide

US Patent:

20080255787, Oct 16, 2008

Filed:

Apr 16, 2007

Appl. No.:

11/735654

Inventors:

Philip Sullivan - Lexington MA, US
David Alcaide - Nashua NH, US

International Classification:

G01L 27/00

US Classification:

702 87, 73 162

Abstract:

Systems, methods, and apparatus, including software implementation, are disclosed providing drift prediction of output values for manometers. A signal or other indication may be provided for or in relation to a capacitance manometer when a servicing, replacing, and/or zeroing event is predicted or determined to be required, based on a history (e.g., timestamps) associated with previous zeroing events. Previously recorded timestamps can be curve fit with suitable functions to calculate or predict future maintenance, calibration, and/or replacement events for a manometer. Such signals or indications can be generated as an on-screen indication, and could also be available upon interrogation of the manometer via a digital communications link or system.