ST-120 Sound Level Calibrator

Features

  • Sound pressure levels : at 94dBand 114dB.
  • For 112"condenser microphone calibration.
  • Low battery indication.
  • Harmonic waves distortion ±3%.
  • Output feedback detection

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Technical Specifications

  • Standard: IEC 60942 (2003) and ANSI S1.40 (1984) Class 1
  • Sound Pressure Levels: 94dB and 114dB (reference of 2x10-5Pa)
  • Accuracy: ±0.3dB at 94dB, ±0.5dB at 114dB
  • Frequency: 1000Hz ± 1%
  • Distortion: ≤3%
  • Battery: 9V 006P or |EC6F22 or NEDA 1604
  • Dimension: ⌀ 62 x 134 mm
  • Weight: about 350g (included 1/2” adaptor and 9V battery)
  • Stable Times: 20s
  • Operating Temperature: 0ºC ~ 40ºC (32ºF ~ 104ºF)
  • Storage Temperature: 0ºC ~ 60ºC (32ºF ~ 140ºF)
  • Humidity: < 90%
  • Atmospheric Pressure: 64KPa ~ 100KPa

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