CR:511E Dual Level Acoustic Calibrator

  • Complies with IEC 60942:1988 Class 1L and Class 2.
  • Output levels of 94 dB and 104 dB +/- 0.3dB.
  • Output frequency of 1KHz +/- 1.5%.
  • Removable microphone adaptor. Supplied with QC:3 adaptor to fit 1/2" microphones. Other adaptors available.
  • Reference conditions: 23°C, 101.3kPa barometric pressure, 65% Relative Humidity
  • Stability: 0.1dB
  • Harmonic distortion: less than 2%
  • Temperature: -10°C to +50°C (Class 2)
  • Length 138mm, diameter 47mm, weight 305g
  • Single 9V battery 6LR61 (6F22 or NEDA 1604).
  • Battery indicator.

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