Tuesday, November 22, 2011

3M Littmann Electronic Stethoscope Model 3000 with Ambient Noise Reduction


3Ms new Ambient Noise Reduction technology reduces distracting room noise by an average of 75% without eliminating critical body sounds. This stethoscope is uniquely equipped to help you pick up difficult-to-hear heart, lung and other body sounds. How Ambient Noise Reduction works The proprietary Ambient Noise Reduction (ANR) technology, internal to the chestpiece, acoustically cancels out an average of 75% of distracting room noise, greatly enhancing overall utility. This acoustic canceling effect is different from electronic filtering, which may also filter out some portions of body sounds clinicians need to hear.

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