1521-P2: Difference between revisions

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{{Catalog History}}
{{Catalog History}}
}}
}}
The {{Title|General Radio 1521-B Graphic Level Recorder}} was introduced in {{Catalog Q}} and remained available through {{Catalog 1973}}.  
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.
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==Specifications==
==Specifications==


* '''Recording Range:''' 40 dB full scale at 0 db attenuation
* '''Recording Range:''' 40 dB full scale at the 0 db attenuator setting


==Links==
==Links==

Latest revision as of 21:08, 17 June 2024

General Radio 1521-P2
40 dB Potentiometer
General Radio 1521-P2 40 dB Potentiometer

Available from 1961 to 1973

Manuals
Catalog History
 Document Year Page
Catalog Q 1961 143
Catalog R 1963 144
Catalog S 1965 179
Catalog T 1968 42
Catalog U 1970 53
Catalog73 1973 51
(All manuals in PDF format unless noted otherwise)

The General Radio 1521-P2 40 dB Potentiometer was introduced in Catalog Q (1961) 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.

An accessory cleaner and lubricant was available as Type 1521-4200.

Specifications

  • Recording Range: 40 dB full scale at the 0 db attenuator setting

Links

Photos