SC21 Stethoscope
Introduction
It is used to collect and amplify the sound inside body organs like heart, lung, arteries, vein, etc.
Main performance
100 Hz ~ 500 Hz as the reference of the testing sound source:
Outer diameter of auscultation head ≤ 35 mm, damping ≤ 30 dB
Outer diameter of auscultation head > 35 mm, damping ≤ 16 dB
500 Hz ~ 1000 Hz as the reference of the testing sound source:
Outer diameter of auscultation head ≤ 35 mm, damping ≤ 25 dB
Outer diameter of auscultation head > 35 mm, damping ≤ 20 dB
