BGK-FBG-4000Surface Strain Gauage may be applied to the static and dynamic stress test of the concrete structure and the steel surface due to its sureace installation designs. It can be welded directly to the steel surface struetures as well as fixed on the concert or other unweldable material surface through installation holes at both ends and ancillary parts together. It’s pretty good at a permanent in-site monitoring or laboratory other environmental or temporary monitoring. 

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