Product Description HX673A Pneumatic Comparator consists of hand pump, lead screw, reverse valve, relieve valve and output interface. It features high sealing, stable pressure generating and simple operation. It is suitable in the laboratory and fieldwork. It provides pressure measurement for calibrating pressure (differential pressure) transmitter, precision pressure gauge, general pressure gauge and other pressure instruments. Functions HX673A provides pressure measurement for calibrating pressure gauges such as pressure (different pressure) transducers, precision pressure gauges, general pressure gauges and other pressure gauges. It can be extensively used in power, chemical, petrol, metallurgy, metering, military industry, etc. Characteristics .Food grade stainless steel, hermetic technology in the military industry. .Built-in air oil separator could discharge the greasy dirt of the inspected instrument .High accuracy, simple operation, convenient maintenance. .No external pipeline to avoid the changing influence from the outer environment. Technical Specification .Pressure Range: (-0.98~ 60) bar . Working Media: Air . Output Interface: M20×1.5 Female . Dimensions (L×W×H): 325mm×210mm×170mm . Weight: 4.5Kg