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> Bruel & kjaer 2231 slm with 1625 octave filter, case
Bruel & kjaer 2231 slm with 1625 octave filter, case
Bruel & Kjaer Type 2231 Modular Precision Sound Level Meter (serial number 1413513) with Type 1625 1/3 - 1/1 Octave Filter Set (serial number 1406982); both units power up. Also includes Integrating SLM Module BZ 7100, custom Samsonite attache carry case, two product warranty cards. Calibration status is unknown. Excellent physical condition. Seven-day no questions guarantee; return for your money back.