1150-B

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General Radio 1150-B
digital frequency meter
General Radio 1150-B Digital Frequency Meter

Available from 1965 to 1965

Manuals

Manual Needed

(All manuals in PDF format unless noted otherwise)

The General Radio 1150-B Digital Frequency Meter was only available in Catalog S 1968. The Type 1150-B is a general purpose frequency meter and event counter. Its an improvment on the 1150-A with higher frequency range and trigger control. For the frequency display it uses five "Numerik" incadesant readouts. See IND-0300 also IND-1801 for details. An interesting to note that is a lamp fails the counter will stop at that digit. The lamp is part of the counting circuit.

Specifications

  • Frequency Range"' 10 Hz to 400 kHz.
  • Sensitivity 0.1 volt, peak-to-peak, at 100 kΩ or 1 volt, peak-to-peak, at 1 MΩ.
  • Accuracy: ± 1 count ± crystal-oscillator stability.
  • Input Impedance: 1 MΩ shunted by 50 pf 100 kΩ shunted by 500 pf, switch selected.

Links

Photos