Equivalent standard volume correction systems for gas meters

Details Equivalent standard volume correction systems for gas meters Equivalent standard volume correction systems for gas meters

1978-10-02

1980-12-09

Atkinson, Charles E.

Boots, shoes, and leggings

364571, 235 92FL, 7386103, G01F 100

Patent

active

042388252

ABSTRACT:
A self-contained correction unit operable in conjunction with a gas meter measuring an actual gas volume emits a digital output signal correlated to an equivalent standard gas volume therefor by correcting the actual gas volume for prevailing conditions of temperature and/or pressure. A temperature and/or pressure transducer is utilized which when exposed to the gas flow emits an analog voltage signal proportional to absolute values of the sensed parameter. By scaling the transducer output signal to a base condition voltage representing unity, a signal proportional to the desired correction is derived which is converted to a digital signal for supplying to a divider-counter. Within the divider-counter, a series of repetitive pulses corresponding to the actual volume measured by the meter is divided by the digital correction signal to yield a digital output signal of the corrected volume at the base condition for which correction was being sought.

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