Ametek US Gauge 1559 Industrial Gauge: 1.5" Dial, 1/4" NPTM Center Back U-Clamp Panel Mount, 0 to 30 PSI Measuring Range, ±3-2-3% Accuracy. Stainless Steel Case with White Aluminum Dial, Phosphor Bronze Bourdon Tube, Brass Movement and Process Connection, Polycarbonate Window, Black Painted Aluminum Pointer