激光粒度仪的量程是指系统所能达到的最大上限和最小下限，分全程量程和分档量程两种形式。
Laser particle size instrument range of www.jnwinner.com is refers to the system can achieve the maximum and minimum of lower limit, is divided into whole range and step.
全程量程是从上限到下限一次测量，这种设置的优点是操作简便，重复性好，没有歧义，是目前大多数国内外激光粒度仪制造商普遍采用的方式；分档量程是在全量程中又分成若干段。
Full range from ceiling to floor measurement at a time, the advantage of this setup is simple operation, good repeatability, no ambiguity, is currently the most domestic and foreign manufacturers widely used laser granulometer way; Step range is in the full range and is divided into several sections.
它的优点是在探测器数量有限的情况下提高分辨率，缺点是容易产生歧义（同一个样品在不同档的测试结果不一致），调整过程容易产生误差，是早期激光粒度仪采用的技术。
It is the advantage of a limited number of cases in the detector to improve resolution, defect is easy to produce ambiguity (the same samples do not match the test results in different files), the adjustment process prone to error, is an early technology laser granulometer.
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