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dg55/56/57/58系列
model features
name ：differential pressure gauge
model no.：dg55/56/57/58 series
model no.：dg55/56/57/58 series
overview：
this gauge is suitable for measuring the differential pressure between two points, and also measuring the liquid depth and flow rate. meanwhile, it can be used for warning and controlling.
feature：
large graduation of the indicating portion makes it easy to read;
high pressure resistant;
specialized design of the contact switch makes it highly reliable.
high pressure resistant;
specialized design of the contact switch makes it highly reliable.