K4548 Pressure Gauge Gauge Type Low Pressure Dial Size (In.) 2-1/2 Range 0 to 5 psi Connection Size 1/4 NPT Connection Location Lower Smallest Graduation (PSI) 0.1 Accuracy (%) +/-1 Case Material Glass Filled Polysulfone Case Color Black Socket Material Brass Tube Material Beryllium Copper Lens Material Polycarbonate Operating Temp Range (F) -4 Degrees to 140 Degrees Series 1490A Manufacturers Warranty Length 1 Year