Quest Technologies Q-300 Permissible Noise Dosimeter

Larson Davis Labs Model 710M Noise Dosimeter 710 Integrating Sound Level Meter

Extech SL400 Personal Noise Dosimeter w/ all acces (Barely Used, original boxes)

Bruel Kjaer Preamplifier ZC-0020 1/2” /1”

TSI Quest Technologies The EDGE eg5 Noise Dosimeter

Set of Quest Micro-15 Noise Dosimeters + More W/Acoustic Calibrator

2 - Extech 407355 Datalogger Digital Noise Dosimeter with PC Output & Software

Extech 407355-NIST Noise Dosimeter/Datalogger with PC Interface and NIST