摘要: The National Institute of Standards and Technology (NIST) Calibration ServicesUsers Guide provides detailed descriptions of NIST calibration services, measurement assurance programs, and special-test services currently available. ... 展开 The National Institute of Standards and Technology (NIST) Calibration ServicesUsers Guide provides detailed descriptions of NIST calibration services, measurement assurance programs, and special-test services currently available. The following measurement areas are covered: (1) dimensional: (2) mechanical, including flow, acoustic, and ultrasonic; (3) thermodynamic; (4) optical radiation; (5) ionizing radiation; (6) electromagnetic, including dc, ac, rf, and microwave; and (7) time and frequency. 收起