晧辰团队专业维修，品质保障!!!
专业维修 XJL-302 正置金相显微镜，其常见的故障及原因分析如下
故障点：灯泡亮但视场内光线很暗
原因分析：视场光阑开得不够大，或使用了检偏镜、起偏镜插板未拔出。
故障点：视场边缘黑暗或明暗不均匀
原因分析：转换器未转到定位位置上，或滤色镜、起偏镜、检偏镜插板不在正确位置上。
故障点：灯泡不亮
原因分析：无电源接入，灯泡导线插件连接不良，或灯泡损坏。
故障点：粗动手轮很紧
原因分析：松紧调节环锁得太紧。
故障点：载物台自行下降，不能停在焦平面上
原因分析：松紧调节太松，导致载物台无法稳定。
故障点：图像不清晰
原因分析：孔径光阑开得过大或过小，透镜（物镜、目镜）上有脏物，明暗场拉杆或光路选择杆未拉到正确位置，标本处于浮动状态，转换器不在定位处，瞳距或视度调节不正确。
通过了解设备的常见故障，您可以更好地维护和使用它，确保其长期稳定运行。若无法解决，欢迎联系晧辰！我们的维修团队拥有丰富的实战经验和专业的维修流程，可为您提供快速、可靠、优质的维修服务
Hao Chen team professional maintenance, quality assurance!!
Professional maintenance of XJL-302 orthographic microscope, its common failures and causes are analyzed as follows
Trouble spot: The bulb is bright but the light in the field of view is very dark
Cause analysis: The field of view diaphragm is not wide enough, or the polarizing mirror is used, and the polarizing mirror insert plate is not removed.
Fault point: The edge of the field of view is dark or uneven
Cause analysis: The converter is not turned to the positioning position, or the color filter, polarizing mirror, and polarizing mirror insert plate are not in the correct position.
Trouble point: Light bulb does not light
Cause analysis: No power access, light bulb wire plug-in connection is poor, or light bulb damage.
Trouble point: rough hand wheel is very tight
Cause analysis: The elastic adjusting ring is locked too tightly.
Failure point: the stage drops by itself and cannot stop on the focal plane
Cause analysis: the tightness adjustment is too loose, resulting in the stage can not be stable.
Fault point: The image is not clear
Cause analysis: The aperture stop is too large or too small, there is dirt on the lens (objective lens, eyepiece), the light and dark field pull rod or the light path selection rod is not pulled to the correct position, the specimen is in a floating state, the converter is not located, and the pupil distance or visibility is not adjusted correctly.
By understanding the common faults of the equipment, you can better maintain and use it to ensure its long-term stable operation. If you can not solve, welcome to contact Hao Chen! Our maintenance team has a wealth of practical experience and professional maintenance process, can provide you with fast, reliable, quality maintenance service
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