Sensor : Air- coupled HIR sound transducer
activated by diaphragm
Amplifier : Solid-state integrated circuit gives
a) 1 to 5 fold amplification in Model LG 300
b) 1 to 10 fold amplification in Model HG 900
Volume : Continuously adjustable by graduated
1 to 5 potentiometer control
Filter : 2 – Way Electronic Filter Switch
a) LO-Filter for low pitch sound;
b) HI-Filter for high pitch sound
Mechanical : Glass epoxy sealed PCB,
Unbreakable ABS/Cr-Metal body;
Soft Polymer tubing / Ear-tips,
Stainless Steel Binaural Spring.
Power : One 3 Volt Lithium Cell :
Type CR 2032, or equivalent.
Size/Weight : Chestpiece: 5 cm round / 3 cm high;
Y-tubing: 55 cms long.
Black/Grey color – 180 gms –
Carry Case: 27 x 15 x 5 cms
Dimensions and Specifications are subject to change in view of the constant improvements and innovations that the Company carries out in its products
 Loud and Distinct I,II,III,IV heart sounds |
 Crystal-Clear murmurs & respiration sounds |
 Auscultation is |