Solid State Isolated Transducer in a Transistor Case for Aerospace, OEM and PC Board Mounting


Solid State Isolated Transducer in a Transistor Case for OEM and PC Board Mounting | PX4600

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  • Small, Light Weight, OEM Package
  • Solid State Media Isolation Suitable for use with Most Industrial Fluids and Oils
  • Broad Temperature Compensated Range of -55 to 121°C Yields High Stability with Changing Temperatures
  • Electrical Isolation to 100 MOhms Assures Long Term Reliability
  • Rugged - High Shock and Vibration Design for Commercial Aviation or OEM Applications
  • 100,000 hours MTBF Typical
  • Constant Voltage Operation - Easy to Use
  • Built-In Temperature Sensor Standard
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OMEGA's PX4600 Series consists of accurate, highly reliable pressure transducers suitable for printed circuit board mounting. The small size and light weight of the PX4600 tranducers make them ideal for tough vibration and shock environments. The sensor is a small silicon chip with 4 diffused silicon strain gages. Laser-trimmed resistors provide excellent temperature compensation from -54 to 121ºC (-65 to 250°F), and users can adjust zero balance and span to tight tolerances. The unusually high performance of this transducer comes from a 4-active arm bridge sensor using a micromachined diffused silicon diaphragm and proprietary thin-film media and dielectric isolation barriers.

Electrical Excitation: 10 Vdc
Output: 30 mV ±10% @ 10 Vdc
Zero Balance: 0 mV ±5% FSO
Input Resistance: 2000 Ω minimum
Output Resistance: 1000 to 1500 Ω Dielectric Isolation Resistance: 100 MΩ min @ 50 Vdc applied between the case or conductive media and the bridge circuit

±0.25% FSO combined linearity, hysteresis, and repeatability
Sensing Element: 4-active-arm bridge using a micro-machined diffused silicon diaphragm sensor and thin-film media and dielectric isolation barriers.
Temperature Sensor: Output resistance @ 24°C (75°F) 900 to 1500 Ω
Temperature Coefficient: 8% min, 10% max per 55.5°C (100°F)

Operating Temperature:
-55 to 150°C (-67 to 300°F)
Compensated Temperature: -55 to 121°C (-67 to 250°F)
Thermal Effects:
    Zero: ±0.036% FSO/°C
    Span: ±0.036% FSO/°C
Vibration Sensitivity: At 35 g peak sinusoidal vibration from 10 Hz to 2000 Hz (½" D.A.), the output shall not exceed 0.04% FSO/g for 15 psi range, decreasing to 0.005% FSO/g for 100 psi and above.
Natural Frequency: >35 kHz for 100 psi range
Shock: 100 g, 11 ms half sine wave without damage
MTBF: Typical 100,000 hours @ 55°C (131°F), fixed-wing aircraft service

Standard Ranges:
0 to 15, 20, 50,100, 200, 300 psi gage and absolute pressure
Proof Pressure: 250% rated pressure, 500 psi max, will not cause changes in performance beyond specified tolerance
Burst Pressure: 300% rated pressure, 500 psi max MECHANICAL
Wetted Parts: Nitride, Pyrex® glass, epoxy and Kovar®
Weight: 5 g (0.2 oz) maximum
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