Bruel & Kjaer 4228 for Rent, Pistonphone

Order #: 4228-RENT2

Mfg #: 4228

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(800) 633-0561
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Bruel & Kjaer 4228 for Rent, Pistonphone


Order #: 4228-RENT2

Mfg #: 4228

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Have a Question? Speak to a Transcat Rental Expert: 800.264.4059

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Bruel & Kjaer 4228 Uses

Pistonphone Type 4228 provides quick and accurate calibration of sound measuring equipment including sound level meters. With the included barometer, it satisfies IEC 942 (1988) Class 1L while, with an external barometer, it is capable of satisfying Class 0L of IEC 942 (1988). It also satisfies ANSI S1.40-1984. It can be used in the field over a wide range of temperature, humidity and pressure while still maintaining high accuracy. It is extremely useful for supplying a standard sound pressure level.

  • Laboratory standard
  • Calibration of sound level meters and other sound measurement equipment
  • Field and laboratory use

Bruel & Kjaer 4228 Highlights

  • 124 dB SPL at 250 Hz
  • Satisfies IEC 942 (1988) Class 1L or Class 0L (with external barometer) and ANSI S1.40-1984
  • High frequency and level stability
  • Individually calibrated to within ± 0.12 dB (including effects of specified microphones)
  • Fits 1², 1/2², 1/4² and 1/8² microphone
  • Battery operated
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3. Select Your Rental Period & Complete Your Order

  • Our weekly period lasts 7 calendar days, while our monthly rental period lasts 28 calendar days
  • Provide your form of payment, sign the rental agreement and any other required documents, and we will ship you the unit