Health Practitioner
Research & Education
Measure My Body Composition

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I trust RJL BIA for safe, reliable and accurate body composition assessment.

Welcome to RJL Systems! I’m Dr. Kerrie Saunders, Director of Education. We are proud to provide you with the most safe, reliable and accurate body composition instruments available in the market today. Researchers, practitioners, hospitals and educators all over the world trust RJL instruments, and our instruments have been featured in over 1000 articles and research studies. Our founder, Rudolph J. Liedtke, is the inventor and industry innovator of modern bioelectrical impedance assessment for body composition. I invite you to browse our website and learn about the science and history of body composition, and how to best use RJL accuracy and reliability in your practice.

BIA - Health and Fitness Measurements That Matter

RJL Systems is the true pioneer in the Bioelectrical Impedance Analysis (BIA) industry -- with an accurate, quantitative, comprehensive body measurement approach that has been the choice of scores of health professionals and researchers since 1979.