The 35st SMIIC MC Training within the SMIIC MC Work Plan 2021 – 2023 V2 was the tarining on Calibration of gauge block by interferometry was given virtually on 13 December 2022, technically hosted by SMIIC General Secretariat. 

The training was hosted by NMI: SASO National Metrology and Calibration Center (NMCC)
General Description: The training covered information on definition of gauge block by interferometry and the applications, which get benefits of these measurements.
Objective: To provide knowledge and to develop skill of participants in calibration of the gauge block by interferometry
Who should attend: The training was attended by staff working in metrology laboratories at the level of National Metrology Institutes or Primary level calibration laboratories
References used: Guide to the expression of uncertainty in measurement (GUM)
ISO 3650:1998 :(GPS)-Length standards Gauge blocks.
Lecturer/s: Abdulrahman D. AlMutairi
Subjects:
 General information about gauge blocks and its application
 Types of gauge block. (grade –material )
 Gauge block interferometry.
 Evaluation of measurement uncertainty