Sajjad Lohrasbi

• Perform diagnostics, repair, and calibration of medical laboratory equipment including Thermal Cyclers (PCR), Real-Time PCR, and ELISA instruments. • Improve device reliability and accuracy for DNA/RNA amplification and detection systems through component-level troubleshooting and preventive maintenance. • Ensure compliance with medical device standards and optimize system performance in clinical laboratory environments.

• Conducted quality assurance testing on batteries, medical devices, sensors, fire alarms, and elevator control panels per IEC/EN standards. • Executed battery safety/performance tests per IEC 62133 & 61960, shock per IEC 60068-2-27, and elevator panel vibration per EN 81-1. • Improved vibration protocols and measurement accuracy via better calibration and redesigned test report templates for clearer compliance documentation.

• Performed component-level diagnostics and repair on Switch Mode Power Supplies (SMPS) for gaming PCs, servers, and mining rigs. • Optimized legacy computer systems at minimal cost to maximize performance and extend lifespan, backed by warranty/guarantee coverage. • Assembled and configured custom hardware systems, focusing on stability, thermal management, and performance optimization.

• Ensured quality control for Smart Farming IoT devices including health monitors, milk/weight meters, RFID readers, and environmental sensors. • Redesigned enclosures and sealing systems to achieve IP-rated water and dust protection, significantly improving field durability. • Established and structured the Quality Control, Production, and Assembly departments from scratch, implementing standardized testing and assembly procedures.

• Designed and manufactured a portable Thermal Calibration Device compliant with ITS-90 standards for calibrating thermocouples and RTD sensors. • Achieved high-precision measurement at significantly reduced cost through optimized circuit design and careful component selection. • Developed embedded system using ATmega128A microcontroller, 24-bit ADC, 12-bit DAC, relay-based resistance generation, fully programmed in C language.

• Diagnosed and repaired Samsung Smart TVs, addressing faults in power supplies, mainboards, T-Con boards, LVDS cables, backlight LEDs, and LCD panels. • Restored full functionality using schematic diagrams and systematic troubleshooting, reducing equipment failures and increasing customer satisfaction.

• Performed component-level diagnostics and repair on computer power supplies (PSUs) and custom PC systems for gaming, server, and mining applications. • Executed rigorous testing, component-level replacement, and performance validation of Switch Mode Power Supplies (SMPS) to ensure stability and reliability before deployment.