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The Brüel & Kjær 4155 is a precision condenser microphone designed for highly accurate acoustic measurements in laboratory and industrial environments. It features a wide frequency response and high sensitivity, ensuring consistent performance in sound pressure level analysis, noise monitoring, and vibration research applications.
With rugged yet precise construction, the 4155 provides reliable, repeatable results even under demanding environmental conditions. It is well-suited for environmental noise surveys, specialized audio testing, and industrial acoustic analysis.
Testwall can supply the used Brüel & Kjær 4155, fully tested. With expert support and global delivery, Testwall ensures high-performance instrumentation with unmatched reliability and service quality. Please contact us directly if you need calibration or repair of the Brüel & Kjær 4155.
Returns
If you are not completely satisfied with your purchase, simply return the item to us in its original condition within 30 days of receipt.
Returned items should be unused and must be returned in original packaging with any enclosed documentation. We will issue a full refund on receipt, excluding the original delivery charge. Alternatively, if preferred, we will exchange the item.
VAT
Prices exclude VAT. Intra-Community transactions: Under the EU VAT Directive, B2B sales of goods across EU VAT borders is VAT zero-rated.
Where VAT is charged, a rate of 23% is applied.
VAT is not charged outside of the EU.
