Most commercial air, water and steam services that require a +/-1 percent full-scale accuracy. Specifications: dial: 4-1/2" (115mm) white aluminum dial with black and red markings. Case: stainless steel 304. Lens: acrylic. Ring: stainless steel 304. Socket: brass. Connection: 1/4" NPT standard. Bourdon tube: phosphor bronze. Movement: brass. Pointer: aluminum, anodized black, recalibrator screw. Welding: silver solder. Over-pressure limit: 25 for pressures up to 1400 psi (9,653 kPa) and 15 percent for pressures over 1400 psi (9,653 kPa). Working pressure: maximum 75 percent of full scale value. Ambient/process temperature: -40 degree Fahrenheit to 250 degree Fahrenheit (-40 degree C to 65 degree C). Accuracy: +/-1 percent ANSI/ASME grade 1A. Enclosure rating: IP52. Economical 4-1/2" stainless steel case gauge. Case is made of stainless steel 304. Zero adjustment screw. CRN registered. 5 year warranty. Pressure range: 0 - 60 psi/kPa.