Accreditation is Formal recognition from Calibration laboratories Accreditation Bodies that a laboratory is competent to carry out specific tests or calibrations.
Accreditation is generally given to a laboratory depending on the criteria stated in ISO/IEC 17025.
Accreditation is generally given for a specified measurand and for the smallest uncertainty that can be achieved with suitable measuring devices.

JNMI Electrical, Mechanical & Physical Calibration laboratories are the only labs in the Arab Region which complies with the requirements of the international standard for calibration laboratories ISO/IEC 17025 , Accredited by The German Accreditation Calibration Service DKD – GERMANY. The Registration Number is : DKD –K –20301 , also accredited by Jordan Institution for Standards and Metrology ( JISM ) in the field of Electrical , Physical & Mechanical Calibration System. The certificate registration Number is: JAS Cal.-001" , Our labs are also ISO 9001:2000 certified by Lloyd’s Register

The hierarchal representation for JNMI accreditation can be given as follows: