Yuwell Single-
Purpose Copper Stethoscope
Features:
►The 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: 100-500Hz, Attenuation≤12dB;
►Frequency response curve: 500-100z, Attenuation≤20dB
►The hardness of leaf spring: HR15N829-884
►The earing elasticity: When the distance betwen two earpliugs is 140mm,the elasticity value is: 1.3721.960N
►The earing elasticity: Pull the two earplugs 300mm apart from each other and it can recover within 1 minute. The deformation is no more than 10mm.
Package Included:
1 x Stethoscope