Importance

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Abstract

A mechanical tester for instrument for fluid meters, commonly known as an instrument tester, a motorized base, a turntable, or an instrument drive simulator, consists of an electric motor, a set of pulleys and a preset counter. Its usefulness is limited to causing the instrument driving mechanism, thus the instrument under test, to travel a predetermined number of revolutions and in a predetermined direction. It has no provision for receiving and making use of the feedbacks directly from the instrument under test. The automatic instrument tester and calibrator provides for the monitor of events and conditions which directly or indirectly affect the accuracy of the instrument under test thus reducing the elements of uncertainty in the instrument calibrating process. The automatic instrument tester and calibrator further provides for the computation of the instrument's error and for storing the test data for further processing and retrieval thus reducing error, calibrating time, and thus reducing operating cost.

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First Claim