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... service calibration
Technical specifications
- Commercial designation: Pistonphone Type 4228
- Product type: Pistonphone (acoustic calibrator)
- Intended use: Accurate calibration
... The G.R.A.S. Pistonphone 42AA is a battery-operated, precision sound source for accurate and reliable calibration of measurement microphones, sound level meters, and other sound measuring equipment. Typical applications and use ...
G.R.A.S. Sound & Vibration
... The G.R.A.S. 42AC Pistonphone, high pressure is a precision sound source for calibrating microphones. It is battery operated and produces a constant sound pressure level of 134 dB re. 20µPa (equivalent to 100 Pa) at250 Hz, or 125.4 ...
G.R.A.S. Sound & Vibration
... The G.R.A.S. 42AP Pistonphone is a battery-operated, precision sound source for accurate and reliable calibration of measurement microphones, sound level meters and other sound measuring equipment. Typical applications and use Reference ...
G.R.A.S. Sound & Vibration
... The SC-3120A is a pistonphone type precision sound source for use in calibration of measurement microphones. It can accomodate both 1 inch and 1/2 inch microphones. * Enables calibration to within ± 0.3dB. * Can be ...
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