DIN EN 60873-2:2004
工业过程控制系统用电动和气动模拟图表记录仪.第2部分:检验指南和常规试验
Electrical and pneumatic analogue chart recorders for use in industrial process control systems - Part 2: Guidance for inspection and routine testing (IEC 60873-2:2004); German version EN 60873-2:2004