Omron Medium Range Cuff (22cm-32cm) HEM-CR24Fits More Arms. Measures More Accurately. The Omron HEM CR24 Medium Range Cuff is designed for arms that standard cuffs can't accommodate covering a 22cm to 32cm circumference for a secure, accurate fit every time. Why It Matters An ill fitting cuff gives inaccurate readings. The HEM CR24 eliminates that risk with a wider range that suits most adults, including those with larger arms so you get blood pressure readings you can actually trust. Key