密封仪是按照GB/T15171软包装件密封性能能试验方法之有关规定设计制造，适用于食品，制药，日化等行业软包装件的密封试验，通过试验可以有效地比较和评价软包装件的密封工艺及密封性能，为确定相关的技术要求提供科学的依据。亦可进行经跌落，耐压试验后的试件的密封性能测试。
控制用线缆系统在全套检查的时候，导缆器，气压密封件，金属扣眼，象限仪，鼓，和滑轮等处，都应该在每个方向都进行偏转到头的移位测试。
The control cable system must be displaced full travel in each direction for complete inspection at fairleads, air pressure seals, grommets, quadrants, drums, and over pulleys.
文中介绍了利用微差压原理，采用单片机进行控制，用于密封器件检测的气密性检测仪。
In this paper, the air-leakage detector to sealing devices is introduced, which controlled by microchip system, used micro differential pressure principle.
采用智能型温控仪双路控制横、纵封温度，从而使封口牢固、密封性好、袋型平整、精美，包装效率高。
BY controlling the transverse and longitudinal sealing temperature, Intelligent temperature controller can ensure firm seal, regular and aesthetic bags, and high effectivity.
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