The SusFE TestBed offers a human-centric platform for real-time assessment of cardiometabolic and physiological status using a wearable upper-arm device. The system enables continuous, non-intrusive monitoring of key bio signals to estimate cognitive load, physical strain, fatigue, and overall functional state during everyday activities. Designed to operate seamlessly in office, field, and industrial environments, the TestBed supports validation of sensing technologies, signal processing algorithms, and AI-based state estimation models under realistic working conditions. Its key technology focus lies in multimodal biosignal acquisition, embedded systems, real-time analytics, and predictive modeling for personalized physiological assessment. The platform enables development and testing of adaptive feedback systems and decision-support tools. The SusFE TestBed is highly relevant to DeepTech and Industry 5.0 applications, as it integrates advanced biosensing, AI, and human-centered design to enhance worker safety, performance, and well-being. It supports the transition toward resilient, sustainable, and human-aware industrial systems.