Economical pressure gauge and valve body assembly used for pressure testing. Swivel hose adaptor on the water test gauge. Black steel case. 5 year warranty. Dual scale (psi/kpa). 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. 0-300 psi/kPa. 2.5" Dial display. Connection: 3/4" Female swivel hose. Ambient/process temperature: -40/150 degree F. Water Test: 32/150 degree F.