Bruel Kjaer Type 2215 Portable Precision Sound Level Meter Octave Analyzer

Brüel & Kjær 2215 Precision Sound Level Meter Octave Analyzer

Two Bruel & Kjaer Type 2215 Precision Sound Level Meters Portable

BK Bruel & Kjaer Type 2203 Precision Sound Meter Frequency Analyzer

Bruel & Kjaer Type 1613 Octave Filter - Excellent

Bruel & Kjaer 2215 Portable Precision Sound Level Meter / W/o microphone Read**

Bruel & Kjaer B&K type 2236 Precision Integration Sound Level Meter