| | Stainless Steel Internals | Brass Internals |
| Dial | 4.5” (115mm) | 4.5” (115mm) |
| Case | Aluminum, painted black | Aluminum, painted black |
| Front Flange | SS, polished | SS, polished |
| Back Flange | Steel, painted black | Steel, painted black |
| Lens | Glass | Glass |
| Ring | SS, polished | SS, polished |
| Socket | 316L SS | Brass |
| Connection | 1/4” NPT or 1/2” NPT standard | 1/4” NPT or 1/2” NPT standard |
| Bourdon Tube | 316L SS | Phosphor bronze |
| Movement | SS | Brass |
| Pointer | Aluminum, anodized black, micrometer adjustable | Aluminum, anodized black, micrometer adjustable |
| Welding | 316L SS TIG Argonarc | Tin/copper alloy |
| Over-Pressure Limit | 30% of full scale value | 30% of full scale value |
| Working Pressure | Maximum 75% of full scale value | Maximum 75% of full scale value |
| Ambient/Process Temperature | -40°F to 150°F (-40°C to 65°C) | -40°F to 150°F (-40°C to 65°C) |
| Accuracy | ±0.5% ANSI/ASME Grade 2A | ±0.5% ANSI/ASME Grade 2A |
| Enclosure Rating | IP52 | IP52 |
| Warning (brass internals only) | N/A |  Warning: This product can expose you to chemicals including lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.gov. |
