This standard specifies the term definitions, measurement characteristics, calibration conditions, calibration items and methods, result expression methods, recalibration interval requirements, etc. of relay protection testers. This standard is applicable to the calibration of microcomputer-based relay protection testers. For non-microcomputer-based testers, please refer to the relevant provisions of this standard.
DL/T 1153-2012 Referenced Document
DL/T 624 Technical conditions of microcomputer-based test equipment for relay protection*, 2023-05-26 Update
JJF 1059 Evaluation and Expression of Uncertainty in Measurement
DL/T 1153-2012 history
2012DL/T 1153-2012 Calibration specification of relay protection testers
DL/T 1153-2012 Calibration specification of relay protection testers was changed to LST EN 61058-2-1-2011 Switches for appliances -- Part 2-1: Particular requirements for cord switches (IEC 61058-2-1:2010).