校准周期一般为1年，为什么不说半年或2年或更长？ 我看了一下计量溯源性的定义(BIPM): Traceability - The property of the result of a measurement or the value of a standard whereby it can be related to stated references, usually national or international standards, through an unbroken chain of comparisons, all having stated uncertainties. The level of traceability establishes the level of comparability of the measurement – essentially, whether the result of a measurement can be compared to the previous one, a measurement result made a year ago, or to the result of a measurement performed anywhere else in the world.
Methods of reviewing calibration intervals Method 1: Automatic adjustment or “staircase” (calendar-time) Method 2: Control chart (calendar-time) Method 3: “In-use” time Method 4: In service checking, or “black-box” testing Method 5: Other statistical approaches
赛默飞实验室产品焕新计划有奖调研！
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报名开启：ICS2024第十三届光谱网络会议！
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