Instrumentation system with multiple sensor modules providing ac

Details Instrumentation system with multiple sensor modules providing ac Instrumentation system with multiple sensor modules providing ac

1993-10-05

1994-12-20

Voeltz, Emanuel T.

Boots, shoes, and leggings

36457107, 73 1R, 324115, G01R 128

Patent

active

053750730

ABSTRACT:
An instrumentation system includes a hand-held computer-based measuring meter having a visual display and a plurality of individual sensor modules that can be selectively coupled to the measuring meter for measuring one of a variety of parameters such as temperature, pressure, or the like. Each sensor module includes a sensor responsive to a particular stimulus, as well as a data memory for storing information about the sensor. When the sensor module is interconnected with the measuring meter, the measuring meter accesses the memory of the sensor module to input data corresponding to sensor type, an accuracy code, calibration point data, and a calibration date code. The measuring meter compares the calibration date code to the current date to determine whether the sensor module requires recalibration. The measuring meter uses the accuracy code data to determine the number of significant digits displayed by the visual display. The measuring meter uses the sensor type code and calibration points to calibrate the measuring meter relative to the sensor module and to select the algorithm used to compute the current value measured by the sensor module.

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