HX671C Hydraulic Comparator consists of hand pump, lead screw, relieve valve, F–adjust valve, oil tank and output interface. It has stable compression and easy operation. It can extensively be used in the fieldwork. It provides pressure for calibrating pressure gauges. Functions HX671C provides pressure for calibrating pressure gauges, such as pressure (different pressure) transducers, precision pressure gauges, general pressure gauges and other pressure gauges. It can be widely used in power, chemical, petrol, metallurgy, metering, military industry, etc. Characteristics .Easy operation, saving labor. .Fast connection, quick pressurizing .Increasing pressure easily, convenient maintenance. .The appearance is simple & beautiful. Technical Specification .Pressure Range: (0~700) bar .Working Medium: 25# Transformer oil .Output Interface: M20*1.5 Female .Dimension (L×W×H): 210mm×210mm×140mm .Weight: 2.6kg