... on equipments that need to measure and control pressure, such as chemical ,refrigeratio ,medical mechanical processing ... of resisting interference.Specification:Two digital display,high & low pressure detect and controlVisible display,Precision >1% ... High pressure detecting & control range:0 ~3MPa Low pressure detecting & control range:0KPa~600KpaPressure Rectification:high pressure±0.5Mpa ,low pressure ...