1. Dial diameter: 2" (52mm).
2. Connection: lower mounted.
3. Pressure range: 0-15 psi.
4. Housing: black-paited steel.
1. Lens: acrylic. 2. Connector: brass 1/4"NPT with brass gas test body. 3. Pointer: steel or aluminum black finish. 4. Accuracy: ±3-2-3% of span by ANSI B40.1 standard.