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Bruel & Kjaer Type 4231 sound calibrator for Lease and Rent

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Bruel & Kjaer 4231

Sound Calibrator for Use with All B&K Sound Level Meters

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Product Overview

The Bruel & Kjaer Sound Level Calibrator Type 4231 is a battery-operated sound source that's ideal for faster calibration of B&K Sound Level Meters and other sound measurement equipment.

This pocket-sized device is highly stable and acts as a user-friendly calibrator-static pressure and temperature changes have negligible effects on this device. The B&K 4231 has plus 20 dB level step that gives 114 dB SPL, convenient for use in noisy environments and for verifying linearity. Additionally, it automatically switches off when the microphone is removed.

Equipped with adjustable sensitivity to depict the accurate sound pressure level, this user-friendly B&K calibrator has an optimized microphone with high stability and independence.

B&K Sound Level Calibrator Type 4231 - Features and Specifications:

  • Calibration accuracy plus/minus 0.2 dB
  • High calibration frequency: 1000 Hz
  • Adheres to EN/IEC 60942 (2003) Class LS and Class 1, and ANSI S1.40–2006

The Bruel & Kjaer Sound Level Calibrator Type 4231 is available for rent or lease at TRS-RenTelco with 24/7 customer support.

Contact us for more information or request a quote today.

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