Dial diameter: 1"(40mm)£»2" (50mm)2.5"(63mm) Mounting Direct mounting only Type A - bottom connection Type AD - center back connection Case: Polished brass£»Zinc plated steel£»black ABS plastic Lens: Plastic Screw-on type for polished brass case Settled in bezel for steel and plastic case Dial: Aluminum, black markings on white background, dial arc 270¡Æ Measuring principle: Bourdon Tube, Phosphor bronze Movement: Brass Pointer: Aluminum, black Connection: Male thread 1/8"NPT for 1/4"NPT for , brass Other connection sizes available made-to-order Accuracy : ¡¾2% F.S. for the middle range (from 25% to 75% of F.S.) ¡¾3% F.S. for the beginning and last ranges (from 0 to 25% and from 75% to 100% of F.S.) Temperature limits: Medium +60¡É£»Ambient -25 to +60¡É Ranges: 0 / 30, 60, 100, 200, 400, 4000, 6000, and 7500 psi £¼other ranges and units available£¾