Specification Brand : YIGUANXIN BulletPoint1 : ECG 7 Step Ruler: Designed with a scientific 7-step method, this ECG ruler provides clear reference points for accurate ECG/EKG interpretation BulletPoint2 : Durable Material: Crafted from durable, transparent PVC, this ruler is wear-resistant, waterproof, and easy to clean, maintaining its clarity and functionality in harsh environments BulletPoint3 : Portable and Transparent Design: This compact, transparent ECG ruler fits into badge holders, pockets, or toolkits, offering quick access in workplaces, classrooms, or clinical settings BulletPoint4 : Easy To Read Reference: The intuitive 7-step guide allows for measuring heart rate and assessing PR intervals, QRS complexes, QT intervals, ST elevation/depression, and T-wave abnormalities step by step BulletPoint5 : Versatile: Ideal for ECG education and practice, this ruler is a must-have tool for healthcare professionals, medical students, EMTs, paramedics, and anyone involved in cardiology or emergency medicine ExternallyAssignedProductIdentifier : 7362571392551 IncludedComponents : / ItemName : 3PCS ECG 7 Step Ruler, Portable Plastic Measuring Tool, ECG 7 Step Ruler for ECG Interpretation, Transparent Calipers YIGUANXIN ItemPackageDimensions_Height : 1.5 centimeters ItemPackageDimensions_Length : 9 centimeters ItemPackageDimensions_Width : 7 centimeters ItemTypeKeyword : digital-calipers Manufacturer : YIGUANXIN Material : PVC MeasurementAccuracy : / ModelNumber : Leopacat48moby3pgt NumberOfItems : 1 PartNumber : BXXDT ProductDescription : Ideal for ECG education and practice, this ruler is a must-have tool for healthcare professionals, medical students, EMTs, paramedics, and anyone involved in cardiology or emergency medicine ProductSiteLaunchDate : 2024-12-24T08:59:08.235Z Range : 0.5 millimeters SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 44111800