Panel Mounting Pressure Gauge 1)Dial: 1.5", 2", 2.5", ... size: 1/8" 1/4" 1/2" 3)CE Certificate Panel Mounting Pressure Gauge 4Z2U are high quality dry gauges design ... %)ASME B40.1 Grade A (2-1-2%)OPTIONS&ACCESSORIES:Custom dial, metric scale, DIN 2.5%,1% accuracy, recalibrators,restrictors ... %)ASME B40.1 Grade A (2-1-2%)OPTIONS&ACCESSORIES:Custom dial, metric scale, DIN 2.5%,1% accuracy, recalibrators, ...