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1521-P2: Difference between revisions
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{{Catalog History}} | {{Catalog History}} | ||
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The {{Title|General Radio 1521- | The {{Title|General Radio 1521-P2 40 dB Potentiometer }} was introduced in {{Catalog Q}} and remained available through {{Catalog 1973}}. | ||
The Type 1521-P2 is the standard 40 dB potentiometer for the Type [[1521-A]] Graphic Level Recorder. It is one of three AC potentiometers, the others being the Types [[1521-P1]] 20 dB and [[1521-P3]] 80 dB. The potentiometer is part of the feedback circuit that positions the recorder pen, the wiper being mounted on top of the recorder pen. | The Type 1521-P2 is the standard 40 dB potentiometer for the Type [[1521-A]] Graphic Level Recorder. It is one of three AC potentiometers, the others being the Types [[1521-P1]] 20 dB and [[1521-P3]] 80 dB. The potentiometer is part of the feedback circuit that positions the recorder pen, the wiper being mounted on top of the recorder pen. | ||