RJL Systems, Inc products

The Quantum Legacy by RJL Systems delivers reliable, whole-body body composition analysis using time-tested bioelectrical impedance analysis (BIA) technology. Designed for professionals seeking a cost-effective and dependable solution, the Legacy provides accurate measurements of fat mass, lean mass, and body water—essential data for health assessments, wellness programs, and clinical research.

The Quantum IV is RJL Systems’ flagship bioelectrical impedance analyzer—representing over 30 years of innovation and refinement in body composition technology. Engineered for accuracy and built for durability, the Quantum IV is a trusted standard for whole-body composition analysis across clinical, wellness, and performance settings.

The Quantum VII Biological Impedance Analyzer (BIA) is a portable, hand-held device designed for highly accurate, real-time body composition analysis. By continuously measuring true biological resistance and reactance properties, it provides healthcare professionals and researchers with precise, reliable data for both short- and long-term studies. 

Advanced regional analysis. Unmatched clinical insight. The Segmental Quantum V from RJL Systems delivers next-generation segmental body composition analysis with clinical precision and speed. Using a patented 8-lead, 12-channel multiplexer, it measures resistance and reactance across 13 specific regions of the body—including each arm, leg, and both sides of the torso—within seconds.

The 100 Electrode Package from RJL Systems offers a convenient and reliable solution for conducting accurate bioelectrical impedance analysis (BIA). These pre-gelled, disposable electrodes are designed to provide excellent skin contact and high signal conductivity, ensuring precise body composition readings with every test. Perfect for individual practitioners, low-to-moderate testing environments, or portable use, this compact pack delivers the same clinical-grade quality trusted across all RJL Systems equipment.

The 200 Electrodes Twin Pack from RJL Systems provides high-quality, pre-gelled, single-use electrodes designed for accurate and consistent bioelectrical impedance analysis (BIA). Ideal for smaller clinics, mobile testing, or moderate-volume use, this pack includes two packs of 100 electrodes—conveniently packaged for ease of storage and application. These electrodes offer excellent skin adhesion, superior conductivity, and latex-free comfort, making them a trusted choice for professionals using RJL Systems’ body composition analyzers.

Box of 500 Electrodes – High-Quality, Pre-Gelled Electrodes for Precise BIA Testing. Ensure accurate and consistent results with RJL Systems’ Box of 500 Electrodes, designed specifically for use with RJL body composition analyzers. These single-use, pre-gelled electrodes offer optimal skin contact and signal conductivity, making them ideal for clinical, wellness, and research settings. Packaged for efficiency and hygiene, these high-performance electrodes provide dependable adhesion and clean removal—supporting both patient comfort and precise bioelectrical impedance analysis (BIA).

The Case of 5,000 Electrodes from RJL Systems is the ultimate solution for high-volume clinical, wellness, and research environments that require consistent, accurate bioelectrical impedance analysis (BIA). These pre-gelled, single-use electrodes are designed for optimal skin contact, superior conductivity, and easy application—delivering precise body composition results with every test. Packaged in bulk for operational efficiency, this case supports large-scale testing facilities and helps reduce per-test costs while maintaining the quality and reliability trusted across all RJL Systems equipment.