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Rated for ±0.25% accuracy, this all-stainless-steel pressure transducer measures 0 to 150 psi (0 to 10.3 bar) gauge pressure and provides a 0 to 5 V DC output through a cable lead. 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 150 psi (0 to 10.3 bar) gauge pressure and provides a 0 to 5 V DC output through a cable lead. 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 | Gauge |
| Pressure range | 0 to 150 psi (0 to 10.3 bar) |
| Output | 0 to 5 V DC |
| Electrical connection | Cable, 5' (1.5 m) lead |
| 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 | 2 times rated pressure |
| Burst pressure | 5 times rated pressure |
| Wetted material | 316 or 17-4 PH 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 |
| Total error band (linearity, hysteresis, repeatability, thermal hysteresis and thermal errors; excludes zero and span setting accuracy) | ±1.0% of full scale (±1.5% for 5 psi, ±3.0% for 2 psi, ±4.5% for 1 psi) |
| Supply voltage | 9 to 30 V DC |
| Supply current | <10 mA |
| Compensated temperature | -4 to 185°F (-20 to 85°C); 32 to 122°F (0 to 50°C) for ranges up to 5 psi |
| 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 | Gauge |
| Pressure range | 0 to 150 psi (0 to 10.3 bar) |
| Output | 0 to 5 V DC |
| Electrical connection | Cable, 5' (1.5 m) lead |
| 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 | 2 times rated pressure |
| Burst pressure | 5 times rated pressure |
| Wetted material | 316 or 17-4 PH 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 |
| Total error band (linearity, hysteresis, repeatability, thermal hysteresis and thermal errors; excludes zero and span setting accuracy) | ±1.0% of full scale (±1.5% for 5 psi, ±3.0% for 2 psi, ±4.5% for 1 psi) |
| Supply voltage | 9 to 30 V DC |
| Supply current | <10 mA |
| Compensated temperature | -4 to 185°F (-20 to 85°C); 32 to 122°F (0 to 50°C) for ranges up to 5 psi |
| Dimensions | 0.88" (22.3 mm) body diameter 7/8" (22.2 mm) hex |
| Weight | <0.2 lbs (<90 g) |
