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Title: Look Ma, No Hands!-An Automatic Chart Changer Incorporated In A Meter-Driven Chart Recorder
Author: Daniel R. Fulton
Source: American Gas Association 1980
Year Published: 1980
Abstract: Mercury Instruments, Inc. offers a new concept in volume recorders for use with large volume rotary, turbine or diaphragm meters. It is a meter driven chart recorder that automatically changes charts every 24 hours. Meter-driven charts are not new theyve been in use for a long time in production, transmission and distribution measurement. But the incorporation of an automatic chart changer in the drive mechanism represents a unique and unusual adaptation to the volume- based circular chart recorder. Most of us readily relate to a time-based circular chart like a 24 hour, 7 day or 31 day rotation. The chart is equally divided into time increments of quarter-hours and days. But a volume-based chart has no time orientation to it instead it is divided into one hundred equal segments that relate to volume, not time.

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