<p>Stainless Steel Oil filled Water Pressure Gauge range to 50psi/350KPA for water pressure instrument replacement field; </p> <p>Dial size: 2",Liquid filled Gauge</p> <p>Pressure range: 0-50psi/350KPA dual scale;</p> <p>Bottom Connection: 1/4"Male NPT lower mount;</p> <p>Connection adaptor: Convert male 1/4"NPT to male 1/8"NPT  adaptor</p> <p>Accuracy: Made to ASME B40.100 standard ±2%;</p> <p>Stainless steel case, brass wetted parts, glycerin filled;</p> <p>Two color zone on the dail,  Blue for filter, Red for clean.</p> <p>Working temperature : -4 to 140 deg F/-20 to 60 deg C</p> <p>Ambient temperature : 140 deg F/60 deg C maximum</p> <p>Oil filled Gauge improved the durability in applications where vibration is present. </p> <p>Widely used for water pressure measuring in the irrigation system, house and pool water system etc.</p>