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Rated for ±0.25% accuracy, this all-stainless-steel pressure transducer measures 0 to 300 psi (0 to 20.7 bar) absolute pressure and provides a 100 mV ratiometric output through an M12 connector. Its bonded silicon strain gauge keeps drift low. It is used for hydraulic system pressure monitoring and compressor and pump monitoring.
Rated for ±0.25% accuracy, this all-stainless-steel pressure transducer measures 0 to 300 psi (0 to 20.7 bar) absolute pressure and provides a 100 mV ratiometric output through an M12 connector. Its bonded silicon strain gauge keeps drift low. It is used for hydraulic system pressure monitoring and compressor and pump monitoring.
Omega's PX309 Series models below 100 psi use a high-accuracy silicon sensor protected by an oil-filled stainless steel diaphragm.
Units 100 psi and above use silicon strain gauges molecularly bonded to the stainless steel diaphragm.
Features
Applications
| Series | PX309 Series |
| Product type | Pressure transducer |
| Pressure type | Absolute |
| Pressure range | 0 to 300 psi (0 to 20.7 bar) |
| Output | 100 mV |
| Electrical connection | M12 Connector |
| Accuracy (combined linearity, hysteresis and repeatability) | ±0.25% BSL maximum |
| Long-term stability (1 year) | ±0.25% of full scale (typical) |
| Bandwidth | DC to 1 kHz (typical) |
| Response time | <1 millisecond |
| Pressure cycles | 10 million minimum |
| Pressure port | 1/4-18 MNPT |
| Proof (overload) pressure | 3 times rated pressure or 20 psi (1.38 bar), whichever is greater |
| Burst pressure | 4 times rated pressure or 25 psi (1.72 bar), whichever is greater |
| Wetted material | 316 stainless steel (0 to 500 psi models may contain an HNBR O-ring in the wetted pressure port assembly) |
| Sensing element | Silicon strain gauges molecularly bonded to a stainless steel diaphragm |
| Housing | All 316 stainless steel |
| Minimum insulation resistance | 1 MΩ at 25 V DC (transducer body to any wire) |
| Operating temperature | -40 to 185°F (-40 to 85°C) |
| Shock | 50 g, 11 ms half-sine |
| Vibration | ±20 g |
| Enclosure rating | IP65 |
| Calibration | 5-point NIST-traceable; calibrated in the vertical direction with fitting down |
| Approvals | CE, RoHS |
| Excitation (supply) voltage | 10 V DC |
| Ratiometric excitation range | 2 to 10 or 1 to 5 V DC |
| Input impedance | 3 kΩ minimum |
| Output impedance | 3 kΩ minimum |
| Zero and span setting accuracy | ±2% FS (±4% FS for 1 and 2 psi) |
| Thermal zero shift | ±0.03%/°C |
| Thermal span shift | ±0.03%/°C |
| Compensated temperature | 32 to 122°F (0 to 50°C) |
| Dimensions | 0.88" (22.3 mm) body diameter 7/8" (22.2 mm) hex |
| Weight | <0.2 lbs (<90 g) |
| Series | PX309 Series |
| Product type | Pressure transducer |
| Pressure type | Absolute |
| Pressure range | 0 to 300 psi (0 to 20.7 bar) |
| Output | 100 mV |
| Electrical connection | M12 Connector |
| Accuracy (combined linearity, hysteresis and repeatability) | ±0.25% BSL maximum |
| Long-term stability (1 year) | ±0.25% of full scale (typical) |
| Bandwidth | DC to 1 kHz (typical) |
| Response time | <1 millisecond |
| Pressure cycles | 10 million minimum |
| Pressure port | 1/4-18 MNPT |
| Proof (overload) pressure | 3 times rated pressure or 20 psi (1.38 bar), whichever is greater |
| Burst pressure | 4 times rated pressure or 25 psi (1.72 bar), whichever is greater |
| Wetted material | 316 stainless steel (0 to 500 psi models may contain an HNBR O-ring in the wetted pressure port assembly) |
| Sensing element | Silicon strain gauges molecularly bonded to a stainless steel diaphragm |
| Housing | All 316 stainless steel |
| Minimum insulation resistance | 1 MΩ at 25 V DC (transducer body to any wire) |
| Operating temperature | -40 to 185°F (-40 to 85°C) |
| Shock | 50 g, 11 ms half-sine |
| Vibration | ±20 g |
| Enclosure rating | IP65 |
| Calibration | 5-point NIST-traceable; calibrated in the vertical direction with fitting down |
| Approvals | CE, RoHS |
| Excitation (supply) voltage | 10 V DC |
| Ratiometric excitation range | 2 to 10 or 1 to 5 V DC |
| Input impedance | 3 kΩ minimum |
| Output impedance | 3 kΩ minimum |
| Zero and span setting accuracy | ±2% FS (±4% FS for 1 and 2 psi) |
| Thermal zero shift | ±0.03%/°C |
| Thermal span shift | ±0.03%/°C |
| Compensated temperature | 32 to 122°F (0 to 50°C) |
| Dimensions | 0.88" (22.3 mm) body diameter 7/8" (22.2 mm) hex |
| Weight | <0.2 lbs (<90 g) |
