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固体密度计长期使用出现问题是在所难免的。也并不是说厂家生产的产品质量有问题，无论什么东西使用时间长了都会有一些小毛病的，虽然一时之间还不至于对工作造成影响，但如果不及时处理的话，小故障会演变成的大问题，因此自己学会一些简单的固体密度计维修方法很重要。
固体密度计小故障排除方式
1、重量不稳定：
排除方法：将测量台及水槽取下，看支持台下方是否有无异物或水滴。若有异物或水滴请先将异物取出或将水滴擦拭干净。
2、如果数字出现----------或-E
排除方法：先按 →○←，试着看会不会稳定归零，如果不归零，先清除测量台上之物体，再与供货商相关人员沟通维修。
3、万一机体入水时怎么办？
首先要将电源拔除，再将机台倒置、阴干。并立即通知供货商专业维修人员进行检查、维修。切勿自行拆卸，以免损坏荷重元。
 
固体密度计的使用还应注重它的维护
1、不能超额称重。以及在安装、使用过程中，应避免使机台承受超出力量之压迫。
2、本机如长时间不使用，应将装水之水槽取下。
3、本机台之外表须以干布擦拭，勿使堆积灰尘。
4、本机台应避免碰撞、挤压及潮湿，如长时间不使用，请将电源取下，并以防尘罩盖妥。
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