Aanderaa pressure recorder
|Within Vocab||SeaVoX Device Catalogue|
|Alternative Labels||Aaanderaa PR|
|Definition||An early (1970s) pressure recorder that used a Digiquartz type 2-300a quartz crystal pressure transducer. The pressure sensor consisted of a convoluted bellows linked to a 40kHz quartz crystal resonator coupled by piezoelectric action to an electronic resonator. Data were recorded onto 0.25 inch magnetic tape on an Aanderaa data logger in the same case. A quartz crystal clock was used for controlling the sampling interval. The data were recorded as 10 bit binary words in serial form with the frequency count from the sensor stored as the most and least significant counts.|
|Has Current Version||1|
||sea level recorders||Mapping: 539781|
||Aanderaa Data Instruments AS||Mapping: 1448850|
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