Data processing and recording apparatus
First Claim
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1. A gas flow rate recording apparatus comprising:
- transducer means located in a gas supply line which provides an electrical signal having a pulse frequency representative of the magnitude of the parameter being measured, said parameter falling into one or a range of predetermined upper and lower limits and a plurality of data storage memories, each corresponding to one specific range of said parameter limits to record the incidence of a measurement of said parameter within the respective predetermined ranges.
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Abstract
A low-cost data logging device, particularly suitable for recording gas meter performance having an electrical transducer to produce an electrical analogue of a parameter to be recorded, a calculator circuit to perform an analysis of measurements of the parameter and a plurality of memories to store the results of the analyses.
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3 Claims
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1. A gas flow rate recording apparatus comprising:
transducer means located in a gas supply line which provides an electrical signal having a pulse frequency representative of the magnitude of the parameter being measured, said parameter falling into one or a range of predetermined upper and lower limits and a plurality of data storage memories, each corresponding to one specific range of said parameter limits to record the incidence of a measurement of said parameter within the respective predetermined ranges. - View Dependent Claims (2, 3)
Specification