Calibration

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Metrology

The metrology laboratory The lab calibrates data loggers during their manufacturing process. Customers are invited to have their loggers calibrated or adjusted periodically or exceptionally. TMI-Orion has developped the means and skill to carry out metrology operations for temperature, pressure and relative humidity.	Calibration Certificates Each operation of calibration or adjustment leads to a calibration certificate that gives the data gathered during the operation. Certificates issued by TMI-Orion are in compliance with norm NF X-07-012.
Metrology equipement The set of equipment used in the lab has been selected among the most famous manufacturers. It fits the severe requirements demanded by TMI-Orion data loggers. Special tools have been designed in order to calibrate in close conditions of customer use.	The standards The standards used to carry out the calibration operations are in compliance with the TMI-Orion Quality Management System. Those standards are linked to the national primary standards through periodic calibration performed by COFRAC or A2LA accredited organizations that are recognized in most countries by international agreements.

TMI-Orion product specifications refer to technical terms, which are important to define. Definitions as worded in "Fundamental standards - International vocabulary of basic and general terms in metrology" NF X 07-001.

Calibration
Set of operations that establish, under specified conditions, the relationship between values of quantities indicated by a measuring instrument or measuring system, or values represented by a material measure or a reference material, and the corresponding values realized by standards.
Adjustment
Operation of bringing a measuring instrument into a state of performance suitable for its use.
Uncertainty of a measurement
Parameter associated with the result of a measurement, that characterizes the dispersion of the values that could reasonably be attributed to the measurand.

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