IEC 62828-4:2020 establishes specific procedures for testing level transmitters used in measuring and control systems for industrial process and machinery control systems. For general test procedures, reference is to be made to IEC 62828-1:2017, applicable to all types of transmitters.
IEC 62828-4 Ed. 1.0 b:2020
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Reference conditions and procedures for testing industrial and process measurement transmitters – Part 4: Specific procedures for level transmitters