which is applicable for use in hospital clinic examination institution ambulance home and camping rescue etc.
CONTEC Head Stethoscope Medical for Doctor Nurse Student Adult Size Main performance 100 Hz ~ 500 Hz as the reference of the testing sound source: 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 ⤠20 dB Main Material: Zinc Alloy+ PVC Tube Material: PVC Instrument classification Class I Product Name SC12 Stethoscope CONTEC Head Stethoscope Medical for Doctor Nurse Student Adult Size Dimensions: 20.