Tested, complete, working, great shape, the case have some wear.

The Bruel & Kjaer Sound Intensity Calibrator, Type 3541 is a precision instrument used for calibration purposes. This calibrator features a wide range of aspects such as its brand, B & K, and its country of manufacture, Denmark. It is a non-domestic product, and it is not customized in any way. This calibrator is not modified and is suitable for use in various industries. Its category falls under Business & Industrial, Test, Measurement & Inspection, Testers & Calibrators, Calibrators, Other Calibrators.