Measuring and testing – Specific gravity or density of liquid or solid
Patent
1980-12-18
1982-12-07
Gill, James J.
Measuring and testing
Specific gravity or density of liquid or solid
364558, G01N 900
Patent
active
043620485
ABSTRACT:
Apparatus for use in the measurement of a variable comprises a housing; a first transducer which is mounted within the housing and which is arranged to produce an electrical transducer output signal which depends both on the value of the variable and on the value of at least one calibration constant of the transducer; an encoder which is mounted within said housing and which is programmed with information relating to the value of said at least one calibration constant, said encoder being arranged to produce an electrical encoder output signal representative of the value of the said at least one calibration constant, and connector means carried by said housing and electrically connected to the first transducer and to the encoder to receive signals functionally related to the transducer and encoder output signals, the connector means being connectible to a second transducer for the transmission of the said functionally related signals thereto.
REFERENCES:
patent: 3763692 (1973-10-01), Agar
patent: 3790910 (1974-02-01), McCormack
patent: 4060715 (1977-11-01), Scott
patent: 4063448 (1977-12-01), Agar
Agar Joram
Anderson Gerald
Gill James J.
Redland Automation Limited
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