General Tools DSM403SD Sound Level Meter with Data Logging, Class 1, SD Card

DSM403SD Sound Level Meter with Data Logging SD Card, Class 1 Sound

DSM403SD Class 1 Sound Level Meter with Data Logging (SD Card)

Bruel & Kjaer Type 2236 Sound Level Meter

PCE PCE-318 - Sound Level Meter (26 - 130 dB)

Castle Sonus (GA116B) Sound Level Meter IEC-61672-1:2002 CLASS 1

GRAS Sound & Vibration Sound Calibrator 42AB 114.0 dB 1000 Hz Class 1

Brunel & Kjær Type 2239 integrating sound level meter