JJF 1704-2018 in English

This standard provides detailed guidelines for the calibration of telescopic distance meters. It outlines the procedures, conditions, and methods necessary to ensure accurate measurements. The document covers the technical requirements for equipment verification, including the setup and operation of the instruments. It also specifies the criteria for assessing the performance and accuracy of the devices. Additionally, it includes information on the documentation and traceability needed during the calibration process. The standard is structured to support consistent and reliable calibration practices across various applications. It defines the key parameters and tolerances that must be met to achieve acceptable measurement results. The content is intended for use by calibration laboratories and technical personnel involved in the verification of telescopic distance meters.