IET 1551C Overview

• 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

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.

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