Portable high precision pressure transducer system

A pressure measuring system which measures the differential pressure between two points in a liquid column comprising:

• a quartz pressure transducer which incurs a change in frequency in response to a change in applied pressure;
• means for controlling the environmental temperature of said quartz pressure transducer;
• means for applying a differential pressure to said quartz pressure transducer;
• a data input interface where said data input interface is coupled to said pressure transducer and is responsive to an output from said pressure transducer;
• a time base coupled to said data input interface where said time base provides a stable clock for the pressure measuring system;
• computer means for coordinating command and data transfer to said data input interface and to a plurality of output devices, and for processing a data stream from said data input interface to produce a pressure measurement;
• visual display means for viewing a data stream representing data inputted and processed by said computer means where said visual display means is coupled and responsive to said computer means;
• printing means for printing the computed pressure measurements where said printing means is coupled and responsive to said computer means;
• control means for controlling the operation of the pressure measuring system where said control means is coupled to said computer means;
• and
• power means for supplying the electrical power to the pressuring measuring system where said power means is coupled to said time base, said computer means, said visual display means, and said temperature controlling means.