关键词: 测量设备, 校准周期, 测量可靠性, 反应法, 灰色模型

Abstract: In order to select a suitable subsequent calibration interval,the adjustment method of the calibration interval of the measurement instrument is studied through historical calibration data.The methods of calibration parameter value prediction,period prediction,weighted average,etc.,and the development of application software on interval adjustment are analyzed and studied,from the aspects of algorithm description and case analysis,etc.The results show that the methods of parameter value prediction and statistics have high accuracy and complexity; the methods of simple reaction and the improved reaction are simple and easy to implement; the weighted average method is fit to measurement system with multi-parameter,multi-device.Each method has its own characteristics and applicable fields.The adjustment method of calibration intervals should be selected comprehensively according to type,characteristics,quantity of parameters and instruments,characteristics and cost of the calibration process in the actual calibration work.

Key words: Measuring instruments, Calibration intervals, Measurement reliability, Response method, Gray system model