Pressure chamber calibration Spektra SQ-4.2

True pressure chamber calibration with an acoustic coupler and more powerful up to 20 kHz

Product details

• Frequency Range: 31.5 Hz…20 kHz*
• Sound pressure level: 74 dB…134 dB (frequency-dependent)
• true pressure chamber calibration calibration for 1/2 and 1/4* inch microphones
  • acoustic coupler available for 1 inch microphones

* max. frequency of 2 kHz for 1/4 inch microphones

Pressure chamber secondary calibration of microphones (IEC 61094-5) and dosimeters (IEC 61252)

Pressure chamber secondary calibration of sound level meters and sound level measuring chains (IEC 61672)

True pressure chamber calibration of 1/2″ microphones

Calibration of dosimeters (diameter ½”)

Calibration of measuring microphones (capacitor and electrets microphones in the sizes ½” and with adapter ¼”)

Supply of a sound pressure level for the calibration of sound level meters and measuring chains

Including microphone and sound level meter fixture

Including power amplifier