Bruel & Kjaer 4231 Sound Level Calibrator

 

Features    

   A handy,  portable sound source for calibration of sound level meters and other sound  measurement equipment. The calibrator is very robust and stable, and  conforms to EN/IEC 60942 Class LS and Class 1, and ANSI S1.40-1984.

For maximum confidence in your measurement results you  can quickly compensate for local measurement conditions by calibrating  before every measurement. Twin sound pressure levels guarantee definitive  checks even in noisy environments, and ensure linearity in your microphones.

 

Unit is Very Good condition, Fully Tested and come with 14 Day ROR  90 Day Warranty!

UNIVERSITY and Corporate P.O.'s Welcome!!