£285.10 ex VAT

SC-1 sound calibrator, 94dBspl, 110dBspl – including case. Please choose matching adaptors for your microphone. Available sizes are 1/2″ (10EaZy), 1/4″ (EMX 7150), and 10mm (RTA 420). Custom sizes (inc Beyerdynamic MM-1) on special order. Please ask for the price and delivery time.


SKU: 230112 Category: Tag:


SC-1 ACOUSTICAL CALIBRATOR KIT (c/w 1/2″ and 1/4″ adaptors plus case)

The SC-1 sound calibrator is a single-frequency dual-amplitude, self-contained field calibrator used to quickly and precisely verify microphones’ accuracy and sensitivity.

The unit generates a 1kHz reference tone at 94 and 110 dB SPL. The SC-1 consists of an amplitude-switchable stable frequency oscillator, a transducer, and a microphone coupler. The coupler accepts a large variety of microphones.


  • Frequency 1kHz +- 0.2%
  • SPL 110dB – 94dB switchable
  • Accuracy +- 0.5dB at 20 Grad Celsius and 1013 mbar
  • ambient temperature range 0 – 45 Grad Celsius
  • Temperature drift < 0.02dB per Grad Celsius
  • Temperature drift frequency: < 0.05Hz per Grad Celsius
  • Storage temperature range -25 – 55 Grad Celsius (without battery)
  • humidity five bis 95% relative
  • Power supply 9V battery or accumulator
  • Housing Aluminium, PVC
  • Dimensions Dia. 40mm, Length 132mm
  • weight (without battery) 164g

Additional information

Weight 0.2 kg

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