• SMC-1
  • Usually ships in 4-6 business days



  • Selectable sound output level: 94 dB or 114 dB
  • Output frequency: 1 kHz ±4%
  • Accuracy: ±0.5 dB
  • Operating temp: 32 to 104°F (0 to 40°C)
  • Operating RH limit: 10 to 70%
  • Elevation limit: 6562 ft above sea level
  • 20 hr battery life


The Dwyer SMC-1 Sound Calibrator is ideal for setting standard noise levels at 94 dB and 114 dB. The SMC-1 has an output frequency of 1 kHz, ±4%. This unit functions best when environment conditions have a temperature of 68°F (20°C), relative humidity of 65%, and an atmospheric pressure of 29.9˝ Hg (1013 mbar). The SMC-1 features a measuring accuracy of ±0.5 dB, a low battery indicator, and a 1/2˝ microphone adapter. This calibrator has a compact design that allows the user to conveniently operate and store the product. At 10 oz (283 g) including the battery, the SMC-1 is also extremely lightweight. Each unit includes carrying case, battery, and instruction manual. This calibrator is ideal for calibrating sound meters such as the Dwyer Series SM-100.


This product can be used in the following applications: