Measuring apparatus
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United States of America Patent
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Jan 24, 1989
Grant Date -
N/A
app pub date -
Mar 24, 1988
filing date -
Mar 25, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A scale-type measuring apparatus, particularly a weighing apparatus, for use in commerce where calibration is required, comprises a sensor (1) which generates a signal representing a measured quantity, a separate readout device (3) disposed remotely from the sensor (1), a signal line (2) connecting the sensor to the readout device and an identification plate (7) for displaying authenticated values of technical measurement parameters of the sensor (1) on the readout device (3). In order to maintain the official calibration identification plate (7) must be unremovably linked to the sensor (1) and in order to enable separate handling of the sensor (1) and the readout device (3) despite this required permanent linkage of the identification plate (7) to the sensor (1), the signal line (2) is inseparably connected to the sensor (1), and the identification plate (7) is unremovably attached to and guided on the signal line (2), so that the identification plate (7) remains linked to the sensor (1) even if the coupling (5, 6) with the readout device is released. A characterizing number (integer) may be set (19) on identification plate (7), this setting being secured by a lead seal (21) applied at the time of official calibration.
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