GB/T 20730.2-2019 Instruments with analogue inputs and two-or multi-state outputs for use in industrial-process control systems—Part 2: Guidance for inspection and routine testing (English Version)
2019GB/T 20730.2-2019 Instruments with analogue inputs and two-or multi-state outputs for use in industrial-process control systems—Part 2: Guidance for inspection and routine testing