FCI - Model AS-PT - Pressure Transmitter
From Aerospace Products - Pressure Sensors
FCI Aerospace's pressure transmitters combine to meet the demand for full qualification compliance with the performance and measurement capability necessary to meet a variety of applications on the aircraft. FCI pressure sensors are constructed using either thin film sputtered deposition strain-gage or variable capacitive ceramic sensing technologies. Strain-gage elements are directly welded to the pressure port and capacitive elements are sealed to the housing via an O-ring. Both sensor types achieve a leak-proof design that ensure a robust solution for all pressure applications including hydraulic fluid, fuel, coolants, air and other media types.
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Products Details
The electronics provide highly accurate and repeatable pressure measurement output signals by utilizing precision analog signal conditioning circuitry and integrated ASIC (Application Specific Integrated Circuit) for linearization combined with multiple-point pressure calibrations and temperature compensation.
The sensor elements and electronics are enclosed in high strength stainless steel housing that protect them and ensure continuous operation over wide pressure and temperature conditions.
Applications
- Fuel Pressure
- Lubrication systems oil
- Hydraulics
- ECS
- Coolant and heating systems
- Other fluids and gases
Specification
Service: Pressure monitoring of liquid and gas
Material of Construction: All-welded, 300 series stainless steel
Electrical Connection: Military, D38999/25YA35PN
Process Connection: Threaded, per SAE-AS4395E04 (.4375-20UNJF-3A)
Weight: 8 oz [227 g] maximum
Pressure Measurement Range
- Ceramic Capacitive: 0 bar(a) to 35 bar(a) [0 psia to 500 psia)]
- Thin Film Resistive: 0 bar(a) up to 800 bar(a) [0 psia up to 11000 psia]
- Consult factory for gauge and other pressure ranges
Proof Pressure: 2X pressure range
Burst Pressure: up to 4X pressure range
Time Response: 10 mS maximum @ T63
Long Term Stability¹: 0.1% of FS max per year
Accuracy²: 0.25% of FS (BFSL)
Total Error Band³: -55 °C to + 125 °C see Chart 1 below
Chart 1
Notes
- Long Term Stability – The max deviation in transmitter output over a 1 year period, during which time the pressure and temperature do not exceed their specified max ratings.
- Accuracy – Combined arithmetic errors of non-linearity, repeatability and hysteresis at 25°C.
- Total Error Band includes linearity, hysteresis, repeatability, zero and full scale errors and thermal effects
Temperature Range:
- Compensated (Operation): - 55 °C to 125 °C [-67 °F to 257 °F]
- Ambient (Operation): - 55 °C to 125 °C [-67 °F to 257 °F]
- Storage: - 65 °C to 150 °C [85 °F to 302 °F]
Power Supply
- Input Voltage: 28 Vdc; 0.4 W max at 28 Vdc
- Reverse Polarity: No damage at rated power supply range
- Short Circuit: No damage at rated power supply range
- Signal Output: 0.5 Vdc to 4.5 Vdc; impedance: 100 ohms max
- Qualifications: MIL-STD-810, RTCA/DO-160, MIL-STD-704, MIL-STD-461
Vibration, shock ,temp shock, altitude, humidity, explosive atmosphere, fluid susceptibility, salt fog, rain, sand and dust, indirect lightning section 22 (induced cat XXF3X, XXK44), and pin injection cat A3XXX) electrical power characteristics (normal voltage transients, undervoltage, overvoltage), RF susceptibility (CS101, CS114, CS115, CS116, RS103, RS101, RF Emission, CE 101, CE102,RE101, RE102)
Quality System Approval: ISO 9001, AS9100
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