General SCAL1356 Sound Level Calibrator

• Conforms to ANSI S1.40-1984 and IEC0942:2003 Class 2
• Calibration Levels of 94dB and 114dB
• Fits 1", 1/2" and 1/4" diameter microphones
• Internal Battery Test
• Output Frequency: 1000Hz +/- 2%
• Output Sound - Pressure Levels: 114dB and 94dB re uPa under reference conditions
• Reference Conditions:
  1- Temperature: 68°F (20°C)
  2- Relative Humidity: 65%
  3- Atmospheric Pressure: 1013mbar
• Temperature coefficient: +/- 0.02dB/C
• Total Harmonic Distortion: <2%
• Accuracy of Sound-Pressure Level: Under stated reference environment conditions +/- 0.5dB
• Power: 1 "9 Volt" battery 006P or IEC 6F22 or NEDA 1604

General SCAL1356 Shown