Riester Duplex stethoscope

Riester Duplex stethoscope

Duplex® is the high-grade Riester quality stethoscope with precision double chest-piece. The acoustic performance has been considerably improved.

• Double-headed chest-piece available in two types: chromium-plated brass or specially lightweight aluminium, galvanized.
• Special membrane for perfect auscultation, Ø 48 mm, with particularly flat and soft non-chill rims for improved adaptation on the skin.
• Bell, Ø 36 mm.
• Overall length: 77 cm.
• Duplex® is supplied with a pair of replacement ear-tips and a replacement membrane.
• Duplex®: Frequency analysis 20 Hz – 100 Hz max. 3.6 dB at 100 Hz 100 Hz – 1,500 Hz max. 21.7 dB at 300 Hz