Please Note you can specify and order your pressure gauge in our webshop https://store.ametekstc.com/pressure-measurement/pressure-gauges/general-purpose-gauges/
With their rugged, protective stainless steel case, Model 5105 contractor's pressure gauges have been designed to operate safely and accurately in a variety of industrial applications; particularly within the corrosive environments typical of HVAC systems. The dial is easy to read, thanks to its ample 4½” gauge size. And every Model 5105 contractors gauge includes a zero adjust feature.
BOURDON TUBE: Béryllium copper (VAC and 15 psi) and phosphor bronze (compound pressures and 30 psi and above)
WINDOW: Polycarbonate
DIAL: Cupped aluminum with white background and black marking, psi scale standard with dual scale optional
POINTER: Black aluminum, adjustable CASE AND RING: Stainless Steel case and slip ring
CONNECTION: Brass, 1/4-18 NPT lower mount