The Graham Field 6840 ECG Caliper is a high-precision diagnostic tool essential for the accurate measurement of electrocardiogram (ECG) intervals and complexes. Engineered for clinical accuracy, this instrument allows healthcare professionals to quickly and reliably interpret cardiac rhythms directly from ECG tracings. The sturdy, ergonomic design ensures steady handling, while the precise hinge mechanism maintains settings throughout repeated measurements. It is a vital, time-tested instrument for cardiologists, technicians, and medical students alike.
