Welch Allyn Holter System - User Manual - Manual (Page 19)

Directions for Use 15
Figure 4. 5-Lead Placement (HR100 only)
Table 2. 5-Lead Placement (HR100 only)
Lead AHA Color IEC Color Placement
Ch1+ Red Green 4th intercostal space at left border of sternum
Ch1- White Red Left clavicle, lateral of sternum border
Ch2+ Brown White 6th intercostal space at the anterior axillary's line
Ch2- Black Yellow Right clavicle, lateral to the mid-clavicle line
RL Green Black Lowest rib on right side of chest