Problems with truck scales
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What are the requirements for selecting a scale used for loading and measuring LNG tankers?
Provide the manufacturer with information such as the approximate maximum and minimum weights to be measured, the required weighing accuracy, and the length of the vehicle; they will then tell you which model of vehicle scale is suitable, indicating that a digital weighing sensor should be used.
Hello, OP! For these road scales used in LNG weighing, are the relevant electrical components required to be explosion-proof, and should a bridge-type or pit-type scale be chosen?
Personally, I think explosion-proof models should be chosen; as for whether it should be a bridge type or a pit type, that depends on the circumstances...
Hello, OP! Are there any standards to refer to regarding the selection of explosion-proof electrical components?
It is virtually no different from conventional weighing.
Whether an explosion-proof design is required depends on whether the area where the truck scale is installed falls within an explosion-proof zone; the classification of such zones can be found in the standard GB 50058-2014, Code for Design of Electrical Installations in Explosive Atmospheres