Method (200, 300, 400) for verification of a measurement device (60, 70), comprising - performing in the location of the measurement device (60, 70) a measurement of a first quantity, which relates to a first object, with the measurement device (60, 70) under verification in order to achieve a measurement result, - forming data about a reference value (330, 350, 450) of the measured quantity, - comparing the measurement result with the reference value (265, 365, 465), and - accepting or rejecting (270, 370, 470) the verification of the measurement device (60, 70) on the basis of said comparison, characterised in that the method further comprises: - performing imaging phases (205, 305, 405) related to the verification with imaging means for forming image data, - transferring said image data from the location of the measurement device (60, 70) to a thereto remote location (80, 90) for monitoring the verification in the remote location, - transferring (235, 255, 335, 355, 455) from the location of the measurement device (60, 70) to the remote location data about said measurement result e.g. in the form of image data or numeric data, - transferring (240, 255, 335, 425) from the location of the measurement device (60, 70) to the remote location data about said reference data e.g. in the form of image data or numeric data, wherein the rejecting or accepting the verification is made (270, 370, 470) on the basis of the information transferred from the location of the measurement device (60, 70) to the remote location. - performing in the location of the measurement device (60, 70) a measurement of a first quantity, which relates to a first object, with the measurement device (60, 70) under verification in order to achieve a measurement result, - forming data about a reference value (330, 350, 450) of the measured quantity, - comparing the measurement result with the reference value (265, 365, 465), and - accepting or rejecting (270, 370, 470) the verification of the measurement device (60, 70) on the basis of said comparison, characterised in that the method further comprises: - performing imaging phases (205, 305, 405) related to the verification with imaging means for forming image data, - transferring said image data from the location of the measurement device (60, 70) to a thereto remote location (80, 90) for monitoring the verification in the remote location, - transferring (235, 255, 335, 355, 455) from the location of the measurement device (60, 70) to the remote location data about said measurement result e.g. in the form of image data or numeric data, - transferring (240, 255, 335, 425) from the location of the measurement device (60, 70) to the remote location data about said reference data e.g. in the form of image data or numeric data, - performing imaging phases (205, 305, 405) related to the verification with imaging means for forming image data, - transferring said image data from the location of the measurement device (60, 70) to a thereto remote location (80, 90) for monitoring the verification in the remote location, - transferring (235, 255, 335, 355, 455) from the location of the measurement device (60, 70) to the remote location data about said measurement result e.g. in the form of image data or numeric data, - transferring (240, 255, 335, 425) from the location of the measurement device (60, 70) to the remote location data about said reference data e.g. in the form of image data or numeric data,