A traceable quality control system guarantees continuous oversight of the furnace welding process. Leveraging an inductive, high-temperature ceramic welding lance, the system facilitates precise observation and detection of internal furnace damage via an external monitor, thereby ensuring a thorough inspection of every minuscule melting hole and gap. Real-time monitoring throughout the welding process offers instant quality feedback, effectively thwarting issues like faulty welds, weld leaks, or sand ingress. This comprehensive surveillance significantly elevates the overall quality of welding operations. Moreover, this approach minimizes the impact on glass quality during the welding procedures, thus ensuring consistent and dependable production outcomes.