Economical pressure gauge and valve body assembly used for pressure testing. Bleed port and plated housing on the gas test assembly. Black steel case. Single scale (psi). CRN registered. Applications: residential and commercial pressure testing of gas, air and water lines. Case: steel painted black. Lens: polycarbonate. Ring: steel, painted black. Bourdon tube: phosphor bronze. Movement: brass. Pointer: aluminum, black. Maximum pointer: available on water test gauge only. Welding: #50 tin solder. Working pressure: maximum 75 percent of full scale value. Accuracy: +/-3-2-3 percent ANSI/ASME Grade B. Enclosure Rating IP52. 0-15 psi. 2" Dial display. Connection: 3/4" FNPT. Ambient/process temperature: -40/150 degree F. Gas Test: 40/150 degree F.