精密制造要求尺寸检查作为过程控制的一项重要功能。为了保证工艺的完整性，检验设备必须超过系统对生产、精度和灵活性的要求。从塞规到激光系统，有各种各样的检查方法。没有一个单独满足所有要求。专用尺寸测量仪和坐标测量机（CMM）可以作为一个集成的检查系统一起工作，执行生产系统的大部分检查需求。

PRECISION MANUFACTURING REQUIRES DIMENSIONAL INSPECTION AS AN IMPORTANT FUNCTION OF PROCESS CONTROL. TO PROVIDE INTEGRITY TO THE PROCESS, THE INSPECTION EQUIPMENT MUST EXCEED THE SYSTEM'S REQUIREMENTS FOR PRODUCTION, ACCURACY, AND FLEXIBILITY. VARIOUS INSPECTION METHODS RANGING FROM PLUG GAGES TO LASER SYSTEMS ARE AVAILABLE. NONE BY ITSELF MEETS ALL REQUIREMENTS. DEDICATED DIMENSIONAL PRODUCTION GAGES AND COORDINATE MEASURING MACHINES (CMMS) CAN WORK TOGETHER AS AN INTEGRATED INSPECTION SYSTEM, PERFORMING A LARGE PART OF THE PRODUCTION SYSTEM'S INSPECTION NEEDS.