General Radio 1551C

General Radio 1551C

Sound-Level Meter

The General Radio 1551C is a used Sound-Level Meter.
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The General Radio 1551C Sound-Level Meter provides a sound level range of 24 dB to 150 dB (re 20 µN/m2) with ±1 dB accuracy. Completely self-contained and incorporates self-calibration circuitry so you know it's always accurate. Includes ceramic microphone that withstands both temperature and humidity extremes.
  • General Purpose (Type 2)

  • 24 to 150 dB Measurement Range

  • Meets Common Standards: ANSI Standard SI.4-1971; IEC Publication 123, 1961

  • 20Hz to 20kHz Amplifier Response

  • Internal Calibration System