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OMEGA’s PX1005 Sputtered Thin Film Pressure Transducer was designed for cryogenic service; it can operate in temperatures from -196°C to +149°C (-320°F to +300°F.) Yet, even in these difficult temperatures, it provides outstanding accuracy, long-term calibration stability and reliability. Static accuracy is ±0.25%, and thermal zero and sensitivity shifts over the compensated range of -196°C to +27°C (-320°F to +80°F) are less than ±0.01%/°F. The all-welded stainless-steel pressure cavity and double-isolated case ensures reliability in the tough environments normal to cryogenic service. OMEGA’s thin film technology makes this premium performance possible. The strain gages are sputter-deposited, forming a molecular bond with the substrate. There is virtually no shift, drift, or creep to cause the transducer’s calibration to change. OMEGA’s PX1005 is available in many standard ranges from 15 psi to 1,000 psi. A calibration record is supplied with every unit.
SPECIFICATIONS Excitation: 10 Vdc
Full Range Output: 30 mV nominal, 26 mV minimum
Residual Unbalance: 0 mV ±5% FSO at zero pressure
Input Resistance: 400 Ω nominal
Output Resistance: 400 Ω nominal
Insulation Resistance: 100 MΩ or greater @ 45 Vdc
Shunt Calibration: Provisions for single-arm, external shunt calibration
Sensing Element: 4-active-arm bridge using sputter-deposited thin-film elements.
Accuracy: Combined linearity, hysteresis and repeatability: ±0.25% FSO, BSL [Note: Performance is determined at 25°C ±1°C (77°F ±2°F), open circuit, rated excitation, unless otherwise specified]
Operating Temp Range: -196 to 149°C (-320 to 300°F)
Compensated Temp Range: -196 to 27°C (-320 to 80°F)
Span: ±0.01% FSO/°F
Zero: ±0.01% FSO/°F
Vibration Sensitivity: At 35 g peak from 10 Hz to 2000 Hz (1/2' D.A.), the output shall not exceed 0.04% FSO/g for 15 psi units decreasing logarithmically to 0.003% FSO/g for 1000 psi units
Natural Frequency: 35 kHz at 1000 psi decreasing logarithmically 5 kHz at 15 psi
Shock: 100 g, 11 ms half sine wave without calibration shift or damage
Humidity: Per MIL-STD-810, method 507.1
Proof Pressure: 200% of rated pressure will not cause changes in performance beyond the specified tolerances
Burst Pressure: 3 times rated pressure
Wetted Parts: 17-4 PH vacuum melt or 15-5 PH stainless steel
Pressure Fitting: 7/16-20 male per MS33656-4
Mounting Isolation: Case isolation ensures that the sensing element will not be affected by external stresses
Mating Connector: PCS06E-10-6S(SR) (sold separately)
Weight: 145 g (5 oz) maximum