1521-B: Difference between revisions
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GR 1521-B Inside Transmission.jpg | GR 1521-B Inside Transmission.jpg | ||
gr 1521-B P10 Drive Unit.jpg | gr 1521-B P10 Drive Unit.jpg | ||
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[[Category:Recorders and Dial Drives]] | [[Category:Recorders and Dial Drives]] | ||
Revision as of 20:45, 17 June 2024
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
