PXM 309 SERIES
The PXM309 Series is a family of metric industrial pressure transducers and transmitters manufactured by OMEGA Engineering. These devices are known for their high accuracy, rugged stainless steel construction, and versatile configurations for general-purpose applications.
Omega’s PXM309 Series industrial pressure transducers utilize two of our precision manufacturing techniques. Low pressure ranges from 70 mb to 3.5 bar, and absolute ranges to 20 bar use a precision micromachined silicon sensor protected by a stainless steel diaphragm. A thin film of oil transfers the pressure and assures the high accuracy and stability of the sensor. Medium and high gage pressure ranges, from 7 bar up to 700 bar, use precision semiconductor strain gages that are fused directly to the stainless steel diaphragm yielding a rugged, durable bond that assures long life and high stability. These precision techniques produce an accuracy of 0.25% FS BSL @25°C and a total error band of 1% on most ranges. The PXM309 Series transducers are available in absolute, or gage (relative) pressure and are sealed to an IP65 environmental rating. The PXM309 is also available in Imperial configurations; please see the PX309 for complete details, or contact our Pressure department for more information.
PXM 309 SERIES
| Supply Voltage Reverse polarity and over voltage protected 0 to 10 Vdc Output: 15 to 30 Vdc at 10 mA 4 to 20 mA: 9 to 30 Vdc |
Static Accuracy 350 mB to 700 bar: ±0.25% FS BSL at 25°C (includes linearity, hysteresis and repeatability) |
| Long Term Stability (1 yr) ±0.25% FS |
Total Error Band 70 mB ±4.5% gage 140 mB ±3% gage 350 mB ±1.5% gage and absolute 1 to 20 bar ±1% absolute 1 to 700 bar ±1% gage Note: Total error band includes all accuracy errors, thermal errors, span and zero tolerances. |
| Isolation (Body to Any Lead) 1 M Ω at 25 Vdc |
Pressure Cycles 1 x 10⁷ full scale cycles |
| Pressure Overload 70 mB to 3.5 bar Gage: 3 x rated pressure or 1.38 bar whichever is greater 350 mB to 20 bar Absolute: 3 x rated pressure or 1.38 bar whichever is greater 7 to 700 bar Gage: 2 x rated pressure |
Burst Pressure 70 mB to 3.5 bar Gage: 5 x rated pressure or 1.72 bar whichever is greater 350 mB to 20 bar Absolute: 5 x rated pressure or 1.72 bar whichever is greater 7 to 700 bar Gage: 5 x rated pressure |
| Compensated Temperature 70 to 350 mbar Gage/Abs: 0 to 50°C (32 to 122°F) 1 to 700 bar Gage: -20 to 85°C (-4 to 185°F) 1 to 20 bar Absolute: -20 to 85°C (-4 to 185°F) |
Operating Temperature -40 to 85°C (-40 to 185°F) |
| Response Time 1 mS |
Bandwidth DC to 1 kHz type |
| Pressure Connection G ¼ Male |
Wetted Parts 70 mB to 3.5 bar Gage: 316 SS 350 mB to 20 bar Absolute: 316 SS 7 to 700 bar Gage: 17-4PH SS |
| CE Compliant EC55022, EC55011 Emissions Class A&B |
IEC 61000-2,-3,-4,-5,-6,&-9 |
| Shock 50 g 11 mSec half sine shock |
Vibration ± 20 g |
| Electrical Connections PXM309: 1.5 m (5′) 2 or 3-conductor cable, mA or 10V outputs, respectively PXM319: mini DIN connector with mating connector included PXM359: M12 4-pin connector |
Weight Typical 150 g (5.3 oz) depending upon configuration |
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