Yuwell Professional Stethoscope Medical Stethoscope Detector Fetal Cardiology Stethoscopes Blood Pressure Medical Equipment
Yuwell Single-
â–ºThe Stethoscope head is made of copper, The erring and trilet aremade of high grade copper material so that you can hear the soundmore clearly, What' s more, the hose has good elstiaty becausetismade of elastic strength plastic PVC. The leaf spring is made ol highstrength spring steel
Technical Parameters
►Frequency response curve: 500-100z, Attenuation≤20dB
â–ºThe earing elasticity: When the distance betwen two earpliugs is 140mm,the elasticity value is: 1.3721.960N
