The set of operations which establish, under specified conditions, the relationship between values indicated by a measuring instrument or measuring system and the corresponding known values of the measurand.

The term "calibration" was found in the following pages:

All about quality of measurements | EVISA's News
Instrument database: Hitachi - Science & Technology - Z-2700 Furnace Only AA Spectrophotometer
Instrument database: CECIL Instruments Ltd. - Aquarius Double Beam Spectrophotometer
Instrument database: Princeton Applied Research - 303A Static Mercury Drop Electrode
Instrument database: Beijing Rayleigh Analytical Instrument Corporation (BRAIC) - UV-1201 UV/VIS SPECTROPHOTOMETER
Instrument database: Foss NIR Systems INC - Autocup Analyzer
Instrument database: Ohaus Corporation - VoyagerŪ Pro Analytical Balances
Instrument database: Polychromix - Phazir - Handheld NIR System
Instrument database: Waters Corporation - Xevo TQ MS
Uptake of mercury species by fruit flies | EVISA's News
Material database: National Institute for Environmental Studies (NIES) - NIES CRM 10 a: Rice Flour-Unpolished, Low Level Cadmium
Instrument database: Dionex Corporation - ICS-900 Starter Line IC System
Material database: Canadian Certified Reference Materials Project (CCRMP) - CPB-2 - Lead Concentrate
Instrument database: Nippon Instruments Corporation - MA-2000 Fully-automatic heat-vaporization mercury measuring equipment
Instrument database: Analytik Jena GmbH - compEAct
Link database: Chemical Fact Sheet: Gold
Instrument database: Varian Inc. - Inductively Coupled Plasma-Mass Spectrometer
Instrument database: Spectrolab Analytical - S10-DB
Instrument database: Shimadzu Europe - TOC-V CSH/CSN/CPH/CPN
Instrument database: Allied Analytical Systems - Plasma 300 - ICP-OES Spectrometer