The bridge type loadcell of Model HMD2009 is the peculiar bridge type structure of both ends supporting receive strength in the middle. This structure enables the large tonnage sensor to be high accuracy, high reliability in measurement. The package of passing strength adopt and pressing head and steel ball structure. It can recover and correct core automatically ,tilting force and impulsive force can be well resisted.The sealed and drampproofly structure make it can adapt to the abominable working environment.It’s easy to install and the interchangeability is good. It can be used for making various kinds of electronic automobile weighing apparatus , track scale , hopper balance and various kinds of special-purpose weighing apparatuses, suitable for each field of weight and strength value measurement