Rulers & Calipers & Tape Measures

The EKG Ruler features: Seconds scale for PR, QRS, Cycle, Length, Coupling, Escape, and Parasystolic Intervals Offers both 1 and 2 cycle scales Measures just 1 11/16" x 6 3/8" small enough to fit in a medical coat pocket Complete with...

Dual scale woven tape measure is an indispensable tool Tape Measure features: Tape enclosed in compact container Measures in inches and centimeters (60"/150cm) Push button in back to rewind tape Free Shipping!

Designed to measure EKG waveforms The EKG Caliper features: Hardened steel arms and points for accurate measurement of tracing intervals Point protector has built-in 40mm metric scale Measures 4 3/4" Free Shipping!