推荐回答(4个)
腕表防水最重要的是密封圈,或称O令、I令,它由橡胶、尼龙或特氟隆(Teflon)制成,在玻璃、圈口、表底及巴头与表壳之间的接合处形成防水密封。其密封程度便是防水等级,常见的标注有:30M、50M、100M、200M等。此外,表壳的厚度及材料决定一只腕表能否安全在水下佩戴,亦属重要因素。按照规定,标示防水功能的腕表必须达到两大气压(2bar)。检测方法是:在2bar下保压60秒钟,空气流量不能超过50微克。
为何不标明“完全防水”?根据美国联邦贸易委员会(Federal Trade Commission)发布的守则,腕表销售商不可将其腕表标为“完全防水”。即使腕表设计用于深海潜水,亦不可宣称为完全防水。也就是说绝对防水的腕表是没有的。
防水腕表使用过程中的注意事项:
戴防水腕表游泳选择100M防水表,比较安全。普通30M防水表虽然可以承受3个大气压,但其检测前提是实验室条件下,即温度在20-25°,水和表都是静止的。而在游泳时,腕表和水是相对运动的,有一定的冲击力,水和腕表之间的压力,往往是远远大于3个大气压的。因此,腕表容易产生进水现象。
防水表不能洗热水澡和蒸桑拿浴。该两种情况下的温度与防水试验温度差距太大,另外,根据热胀冷缩的原理,手表各组件因材料、形状、大小各不相同,在温度变化较大时,其胀缩变形量不同,很容易产生微小的缝隙,造成腕表进水。偶尔没有进水,说明腕表防水性能良好,但长此以往也会加速腕表防水零件老化,影响腕表正常使用寿命。
已经进水的腕表,拿到防水机上检测仍然防水,这种情况属于使用不当造成的,聚冷聚热(如在太阳下暴晒或温度低的空调房)导致腕表防水零件瞬间变形,水汽进入,待环境正常,防水零件又恢复常态,仍具有防水功能。
螺旋式表冠就是不能旋紧的,那表冠是为了方便计时的,,和密封部分是独立的,你讲的表冠是那个位置啊?就是你讲可以转那个东西有刻度的吗?不拆过应该是可以防水的
非螺旋式表冠,是依靠防水橡胶圈实现密闭隔水的。但在你拔出表冠的时,防水性能会下降。所以拔出表冠进行调整操作后,一定要压回表冠,使其紧扣表壳。100M防水设计是允许潜水的,但是水下不要拔出表冠作任何操作.泡浴缸其实是不建议的,因为浴缸的水温比常温高(没谁会去泡冷水浴吧),会加快防水橡胶圈的老化,令您的爱表防水性能大打折扣。所以,还是敬请爱护,最好不要见水。
是的,估计你说的是EF系列的,EF系列目前只有俩个有螺丝设计,按你说的,就是可以完全的锁死...那,就是517,另一个忘记了.不过放心,这是方便而已,完全可以防水,你泡浴缸都没问题,但是水下不要任何操作..
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