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3M™ Littmann® Stethoscopes Product Comparisson Chart

  Electronic Stethoscopes Cardiology Stethoscopes Classic Stethoscopes Select/Lightweight Stethoscopes
  Electronic Stethoscope Model 3200 Electronic Stethoscope Model 3100 Master Cardiology Stethoscope Cardiology S.T.C. Stethoscope Cardiology III Stethoscope Master Classic II Stethoscope Master Classic II S.E. Stethoscope Classic II Pediatric & Infant Stethoscope Select Stethoscope Lightweight II S.E. Stethoscope
 
Overall Performance (1-10 Scale) 10+ 10+ 10 9 9 8 7 7 6 6
Main Application Areas Cardiology/High Performance Bluetooth® Cardiology/High Performance Cardiology/High Performance Cardiology/High Performance Cardiology/High Performance Physical Assessment, Diagnosis Physical Assessment, Diagnosis Physical Assessment, Diagnosis Blood Pressure, Limited Physical Assessment Blood Pressure, Limited Physical Assessment
Chestpiece Design & Technology Durable Metal Durable Metal Polished Stainless Stell Single-Sided Matte Finished Stainless Steel, Single-Sided w/ Soft Touch Insert Machined Stainless Steel Two-Sided Tunable Plated & Polished Alloy Single-Sided Machined Stainless Steel Two-Sided Machined Stainless Steel Two-Sided Coated Alloy Single-Sided Metal/Resin Composite Two-Sided
Headset Material Wide Diameter Aerospace Alloy Wide Diameter Aerospace Alloy Wide Diameter Aerospace Alloy Wide Diameter Aerospace Alloy Wide Diameter Aerospace Alloy Wide Diameter Aerospace Alloy Standard Diameter Aerospace Alloy Standard Diameter Aerospace Alloy Standard Diameter Aerospace Alloy Standard Diameter Aerospace Alloy
Standard Length 27"/69 cm 27"/69 cm 27"/56 cm
27"/69 cm		 27"/69 cm 27"/56 cm
27"/69 cm		 27"/69 cm 28"/71 cm 28"/71 cm 28"/71 cm 28"/71 cm
Total Weight 185 grams 185 grams 175 grams
185 grams		 178 grams 165 grams
175 grams		 155 grams 125 grams 105 grams
90 grams		 115 grams 118 grams
Diaphragm Details, Diameter 51.0 mm 51.0 mm Tunable
1.75"/4,4 cm		 Tunable, Teardrop
2.15" x 1.9"
5,4 cm x 4,8 cm		 Two Tunable Diaphragms
1.7"/4,3 cm		 Tunable
1.75"/4,4 cm		 Tunable
1.75"/4,4 cm		 1.31"/3,3 cm
0.75"/1,9 cm		 Tunable
1.75"/4,4 cm		 Tunable, Teardrop
2.15" x 1.9"
5,4 cm x 4,8 cm
Track Recording Yes; 12
30 sec. tracks		 No No No No No No No No No
Audio Notation Yes; 12
10 sec. notes		 No No No No No No No No No
Warranty 2 Years 2 Years 7 Years 6 Years 5 Years 3 Years 3 Years 3 Years 2 Years 2 Years