Description Specifications Literature Description Type 1379 Duragauge® pressure gauge is offered in 4.5", 6", and 8.5" dial sizes. This rugged, solid-front aluminum case gauge is top in its field. IT is available as a weatherproof hermetically sealed or liquid-filled version in 4.5" and 6" sizes in pressures up to 30,000 psi. Like the 1279, it can be easily field converted from the weatherproof version to either the sealed or liquid-filled version using an optional kit. Ranges 50,000 80,000 and 100,000 psi are available in 6" hermetically sealed and liquid-filled cases. All size cases are coated with black epoxy which will withstand most environmental conditions.Features: 4.5" full-size Bourdon tube Patented Duratube™ with as-welded-tube construction controls stress for longer life "Round Cap Tip" construction lowers stresses for longer life Easily adjustable, self-locking micrometer pointer Exclusive Teflon coated 400 series Stainless Steel rotary movement for longer life Epoxy-coated system for superior corrosion resistance PLUS!™ Liquid-filled performance in a dry gauge Fights vibration and pulsations without liquid-filled headaches Order as option XXL State of California Proposition 65 WARNINGCancer and Reproductive Harm - www.P65Warnings.ca.gov. Product Specifications Dial Size:4.5"Type:1379Tube & Socket:Bronze tube, Brass socketCase Design:Dry (IP54)tr>Process Connection Size:1/2 NPT maleConnection Location:LowerPressure Range:0-30 PSI Literature & Docs Product Specifications Accessories