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The ADC EKG Ruler (#394) features a seconds scale for PR, QRS, Cycle, Length, Coupling, Escape, and Parasystolic Intervals and offers both one and two cycle scales. The ADC EKG Ruler includes a protective sleeve and is small enough to fit in a medical coat pocket.
Warranty: 1 Year.
ADC EKG Ruler Specifications
- Ruler Length: 6 3/8" (16.19 cm).
- Ruler Width: 1 11/16" (4.29 cm).