How do I know if my Littmann stethoscope is authentic? Authentic Littmann stethoscopes have a serial number engraved on the chestpiece. If your 3M™ Littmann® stethoscope does not have a serial number, or you have difficulty locating the serial number, please contact us through our online form for further assistance.
Electronic stethoscopes are ideal for people who work in noisy environments, but either way, the tubing should be thick and durable to help amplify sound and reduce outside noise. The stem should be made of the same strong material as the chestpiece for optimal sound transfer. Finally, look for a precise diaphragm.Apr 11, 2018
A stethoscope can come as single, double (dual), or triple-head. Binaural stethoscopes are used with both ears, and single stethoscopes work with one ear. From the Manufacturer. Application Cardiology/High Performance Model Cardiology III™ Net Weight 180 Gram
The biggest difference between the Classic II and the Classic III is that the Classic III seems to be preferable for listening for heart variations because it is more tuned in for sounds of the heart than the Classic II that is better for a wide range of sound types.
The Littmann Cardiology IV stethoscope is a superior device that delivers an excellent sound collection. This instrument features double lumen tubing for cutting out background noise, tunable diaphragms to make adjustments during the exam, and an open bell option if you need it.