| Item | Seal |
| Accuracy | -1% to +1% |
| Accuracy Grade | Grade 2A |
| Accuracy Scale | Full Scale |
| Adjustable Pointer | Micrometer Adjustable |
| Ambient Temp. Range | -20°F to +200°F, -29°C to +93°C |
| Application | Industrial, Process Industries |
| Basic Gauge Case Material | Plastic |
| Basic Gauge Sensor Material | Stainless Steel |
| Basic Gauge Socket Material | Stainless Steel |
| Bezel Mounting Type | No Bezel |
| Blowout Safety Back | Yes |
| Bolt Circle Dia. | 5.37" |
| Burst Pressure | 1600 psi |
| Calibration Certificate Included | No |
| Case Color | Black |
| Case Depth | 3 9/25" |
| Case Dia. | 5.81" |
| Characteristics | Halocarbon Filled Seal |
| Cleaned For Oxygen Service | No |
| Clog Resistant | No |
| Color | Black |
| Connection Location | Lower |
| Dial Color | White |
| Diaphragm Seal Process Connection | Threaded |
| Diaphragm Seal Type | Welded |
| Dry Dampening Feature | None |
| Field Fillable | Yes |
| Freeze Resistant Movement | No |
| Gauge Case Color | Black |
| Gauge Case Liquid | None |
| Gauge Connection Location | Bottom |
| Gauge Connection Size | 1/2" |
| Gauge Filled With | Halocarbon |
| Gauge Nominal Dial Size | 4 1/2" |
| Gauge Panel Mountable | No |
| Gauge Primary Range Units | Psi |
| Graduations | 50 psi |
| Hazardous Location Rating | Not Rated |
| Includes | Hastelloy C Seal With Flushing Connection |
| Includes Mounting Hardware | No |
| Includes Vent Plug | No |
| Ip Rating, Nema Rating | IP66 |
| Lens Material | Acrylic , Glass |
| Liquid Filled | No |
| Liquid-filled Case | No |
| Mfr. Series | 1259 Series, 311-312 Series |
| Mounting Hardware Included | No |
| Mounting Type | Surface Mount |
| Movement Type | Adjustable |
| Nominal Dial Size | 4 1/2" |
| Panel Mount Characteristics | 3 0.24" Dia Holes On 5.37" Dia Bolt Circle |
| Panel-mountable | No |
| Pointer Characteristics | Aluminum Micrometer Adjustable |
| Pointer Material | Aluminum |
| Pressure And Vacuum Gauge Type | Pressure Gauge |
| Pressure Gauge Type | Process Pressure Gauge With Diaphragm Seal |
| Pressure Range | 0 psi to 300 psi |
| Pressure Range Type | Pressure |
| Primary Scale Minor Graduations | 2 |
| Primary Scale Units | Psi |
| Process Connection Gender | Male |
| Process Connection Location | Bottom |
| Process Connection Size | 1/2" |
| Process Connection Type | NPT |
| Process Temperature Range | -20°F to +250°F |
| Range | 0 psi to 300 psi |
| Removable Bezel | No |
| Scale Type | Single |
| Seal Compatible Process Media | Oxygen, Oxidizing |
| Seal Connection Size | 1/2" |
| Seal Diaphragm Material | Hastelloy C276 |
| Seal External Material | Hastelloy C276 |
| Seal Fill Liquid | Halocarbon |
| Seal Lower Housing Material | Hastelloy |
| Seal Maximum Working Pressure | 1000 psi |
| Seal Process Temperature Range | -70°F to +300°F |
| Sensor Grade | Grade 316L |
| Sensor Material | Stainless Steel |
| Sensor Type | Bourdon Tube |
| Smallest Graduation | 2 psi |
| Socket Grade | Grade 316L |
| Socket Material | Stainless Steel |
| Vibration Resistance | Field Fillable |
| Wetted Materials | Stainless Steel |
| Wetted Parts Grade | Grade 316L |
| Ambient Operating Temperature Range | -20°F to +200°F, -29°C to +93°C (Dry) |
| Bolt Circle Diameter | 5.37" |
| Case Construction | Solid Front With Pressure Relief Back |
| Case Diameter | 5.81" |
| Case Material | Plastic |
| Gauge Case Material | PBT |
| Includes Calibration Certificate | No |
| Ip/nema Rating | NEMA IP66 |
| Primary Pressure Range | 0 to 300 |
| Process Connection | 1/2" NPT Male |
| Series | 1259, 311-312 |
| Standards | UL 94-V-0 |
| Wetted Parts Material | 316L Stainless Steel, 316L Stainless Steel |
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