１９９９年 １１月 ２２日，广东省电信科学技术研究院举行了“半导体放电管最高限制电压自动测试系统”的鉴定会。广东省邮电管理局组织的鉴定委员会一致认为此系统操作界面清晰，工作稳定、测试数据准确可靠，实现了半导体管和气体放电管最高限制电压的自动测试功能，为通信 November 22, 1999, Guangdong Provincial Institute of Telecommunications Science and Technology held a “semiconductor discharge tube maximum limit voltage automatic test system” appraisal meeting. Accreditation Committee organized by the Guangdong Provincial Posts and Telecommunications Administration unanimously agreed that the system interface clear, stable, test data is accurate and reliable, to achieve the semiconductor tube and gas discharge tube maximum limit voltage automatic test function for communication