This unit is suitable for controlling the maximum and minimum levels in silos and tanks containing materials such as powder, granule, such as rice, cereals, plastic material, coffee,sand, etc.
Its functioning is due to the pressure created by a product on the rubber membrane which activates a fast acting microswitch. The sensitivity of the switching can be adjusted by means of a screw placed on the lid of the unit, adjustment is made depending on the material to be sensed as a function of its specific weight. Variations in humidity and temperature do not compromise the functioning, furthermore the membrane is resistant to blows and vibrations.

该装置适用于控制含有粉末、颗粒等物料（如大米、谷物、塑料物料、咖啡、沙子等）的筒仓和罐内的最高和最低液位。

gāi该  zhuāng装  zhì置  shì适  yòng用  yú于  kòng控  zhì制  hán含  yǒu有  fěn粉  mò末  、  kē颗  lì粒  děng等  wù物  liào料  （  rú如  dà大  mǐ米  、  gǔ谷  wù物  、  sù塑  liào料  wù物  liào料  、  kā咖  fēi啡  、  shā沙  zi子  děng等  ）  de的  tǒng筒  cāng仓  hé和  guàn罐  nèi内  de的  zuì最  gāo高  hé和  zuì最  dī低  yè液  wèi位  。  

Its functioning is due to the pressure created by a product on the rubber membrane which activates a fast acting microswitch. The sensitivity of the switching can be adjusted by means of a screw placed on the lid of the unit, adjustment is made depending on the material to be sensed as a function of its specific weight. Variations in humidity and temperature do not compromise the functioning, furthermore the membrane is resistant to blows and vibrations

它的功能是由橡胶膜上的产品产生的压力引起的，该压力会激活一个快速动作的微型开关。开关的灵敏度可通过放置在装置盖上的螺钉进行调整，调整取决于被感测材料与其特定重量的函数关系。湿度和温度的变化不会影响膜的功能，而且膜能抵抗冲击和振动。

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