保定周工成功订购雷氏夹测定仪5台
使用方法：

1.雷氏夹弹性要求检验将测定仪上的玄线固定于雷氏夹一指针根部，另一指针根部挂上300G砝码，在左侧标尺上读数。

2.膨胀值测定：将沸煮箱中取出的带试件的雷氏夹放于垫块上，指针朝上，放平后上端标尺读数，然后根据GB1346-89计算膨胀值。
 保定周工成功订购雷氏夹测定仪5台
 

技术参数：

1.测定仪测定范围：正负25MM

2.结构【见示意图】

测定仪由支架，标尺，底座等零部件组成

质保期间

质保一年，质保期内，本厂免费对设备及配件进行维修；因不可抗拒力(如水灾、火灾、地震、雷击、电压异常或人为)造成的损坏不在保修之列。

The warranty period is one year. During the warranty period, our factory will repair the equipment ａnd accessories free of charge. Any damage caused by force majeure such as flood, fire, earthquake, lightning strike, abnormal voltage or man-made damage is not included in the warranty.

五、质保期过后服务内容

质保期满后，对用户实行有偿服务，所需易损件及零配件以成本价供应。售后服务人员每年对用户进行定期回访，并作使用情况纪录。如果您对我厂技术服务人员提供的服务不尽满意，请向我厂进行反馈。反馈电话：15532717060  报修电话：15028650947

After the expiration of the warranty period of service content after the expiration of the warranty period, the user shall be provided with paid services, ａnd the consumable parts ａnd accessories required shall be supplied at cost price. The ADJUSTER staff conduct regular return visits to users every year ａnd keep records of their use. If you are not satisfied with the service provided by our technical service staff, please give us your feedback. FEEDBACK: 15532717060 repair: 15028650947