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 | ||
Revision as of 02:53, 13 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
