1521-B: Difference between revisions

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* '''Recording Range:''' 40 dB full scale with standard potemtiometer  
* '''Recording Range:''' 40 dB full scale with standard potemtiometer  
* '''Frequency Range:''' 7 Hz to 200 kHz
* '''Frequency Range:''' 7 Hz to 200 kHz
* '''Maximum Input Voltage: 100 V ac
* '''Maximum Input Voltage: 100 V AC
* '''Input Attenuator:''' 60 dB in 10-dB steps
* '''Input Attenuator:''' 60 dB in 10 dB steps
* '''Input Impedance:''' 10,000 Ω for ac level recording; 1000 Ω for dc
* '''Input Impedance:''' 10,000 Ω for AC level recording; 1000 Ω for DC


==Links==
==Links==

Revision as of 22:22, 12 June 2024

General Radio 1521-B
Graphic Level Recorder
General Radio 1521-B Graphic Level Recorder

Available from 1965 to 1978+

Manuals
Catalog History
 Document Year Page
Catalog S 1965 178
Catalog T 1968 40
Catalog U 1970 51
Catalog73 1973 49
Catalog78 1978 173
(All manuals in PDF format unless noted otherwise)

The General Radio 1521-B Graphic Level Recorder was introduced in Catalog S (1965) and remained available through Catalog 1978.

Description Pending.

Specifications

  • Recording Range: 40 dB full scale with standard potemtiometer
  • Frequency Range: 7 Hz to 200 kHz
  • Maximum Input Voltage: 100 V AC
  • Input Attenuator: 60 dB in 10 dB steps
  • Input Impedance: 10,000 Ω for AC level recording; 1000 Ω for DC

Links

Photos