XI'AN YUMU ELECTRONICS TECHNOLOGY CO.,LTD
Model No.: RJF-9
Brand: YM
High-Precision Pressure Measurement Transducer for Drone and Aircraft Engine Systems
The RJF-9 Military Aviation Pressure Sensor is a precision-engineered transducer designed for accurate pressure measurement in demanding aerospace environments. Engineered specifically for aircraft engine monitoring, drone hydraulic systems, and critical Aviation Applications, this high-quality sensor provides reliable, real-time pressure data essential for system performance optimization, safety monitoring, and predictive maintenance programs.
Manufactured with the same rigorous quality standards as our Military Metal Relay and Polarized Relay product lines, the RJF-9 represents YM's commitment to producing sensing components that deliver exceptional accuracy and durability under extreme operational conditions.
Designed and tested to withstand extreme environmental conditions encountered in military aviation operations, including temperature extremes from -55°C to +125°C, high vibration environments up to 2000Hz, shock loads up to 100g, and rapid pressure transients up to 200% of full scale. The robust construction maintains calibration integrity under conditions that would compromise commercial-grade sensors.
Utilizes a proprietary thick-film ceramic sensing element that provides excellent long-term stability, minimal hysteresis, and superior resistance to media contamination compared to traditional metal diaphragm designs. The ceramic technology, developed through our precision manufacturing expertise, offers exceptional accuracy retention over the sensor's service life.
Incorporates multi-layer hermetic sealing techniques developed through our expertise in Metal Sealing Relay manufacturing. The welding and bonding processes ensure complete media isolation from electronic components, providing reliable operation in corrosive or conductive media applications.
Weighing under 3 grams, the RJF-9 provides essential pressure measurement capabilities without significant weight penalty—critical for aircraft and drone applications where every gram affects performance, range, and fuel efficiency.
With response times under 4 milliseconds, this pressure sensor provides near-instantaneous pressure readings essential for real-time system monitoring and control in critical aviation systems including flight controls and engine management.
Designed to operate accurately in electrically noisy aviation environments, complementing our PCB Signal Relay and Solid State Relay products in integrated electronic systems without measurement interference. Features built-in RFI/EMI protection and filtered outputs.
Optional smart sensor versions include built-in diagnostics that monitor sensor health, detect potential failures, and provide early warning of performance degradation—enabling predictive maintenance strategies.
Operating at just 0.3-0.43W, this sensor minimizes its own power draw—particularly valuable for unmanned aerial vehicles (UAVs) and other battery-dependent systems where every watt of power consumption matters.
Critical for monitoring oil pressure, fuel pressure, hydraulic pressure, and pneumatic system pressures in both turbine and piston aircraft engines. Provides essential data for engine management systems, performance monitoring, and condition-based maintenance programs.
Essential for monitoring hydraulic pressure in flight control systems, landing gear actuation, and payload mechanisms in military and commercial drones. The lightweight design preserves flight endurance while delivering critical operational data for autonomous flight control systems.
Monitors hydraulic pressure in primary and secondary flight control systems, providing essential feedback for fly-by-wire systems and manual flight controls in both military and commercial aircraft platforms.
Provides accurate pressure measurement for landing gear extension/retraction systems, wheel brake systems, and anti-skid braking systems, ensuring safe ground operations.
Critical for fuel pressure monitoring in aircraft fuel systems, including engine feed systems, transfer systems, and refueling systems, ensuring proper fuel delivery and system safety compliance.
Monitors cabin pressure, bleed air pressure, and air conditioning system pressures for passenger comfort and safety in commercial aircraft applications.
Provides accurate pressure measurement for aircraft maintenance equipment, hydraulic test stands, engine test cells, and ground support systems during maintenance operations and system certification testing.
Provides accurate, real-time pressure data enabling early detection of system anomalies before they cause component failures or safety incidents, reducing operational risks and supporting regulatory compliance with aviation authority requirements.
Extended service life (10,000+ pressure cycles), minimal calibration requirements (12-month intervals), and high reliability lower maintenance costs and reduce inventory requirements for spare sensors compared to less durable alternatives.
Accurate pressure monitoring enables optimal system operation, reducing energy consumption, improving system performance, and extending component service life in critical aviation systems—directly impacting fuel efficiency and operational costs.
Standardized electrical and mechanical interfaces compatible with common aviation systems reduce integration time and engineering costs compared to custom sensor solutions. Compatible with existing aircraft data acquisition systems.
High-accuracy, stable measurements support condition-based maintenance strategies, reducing unscheduled maintenance events and increasing aircraft availability—particularly valuable for commercial operators and military fleets.
The RJF-9 Military Aviation Pressure Sensor is designed and manufactured to meet or exceed the following standards:
All sensors include calibration certificates traceable to NIST or equivalent national standards. Full material and process traceability documentation available for quality audits and regulatory compliance.
The RJF-9 is manufactured in YM's Class 1000 clean room facilities using automated assembly systems and precision laser welding equipment. Our manufacturing process incorporates statistical process control and Six Sigma methodologies to ensure consistent quality and performance.
Every sensor undergoes rigorous testing and validation:
Our in-house calibration laboratory, accredited to ISO/IEC 17025, features deadweight testers, digital pressure standards, and environmental chambers traceable to NIST. Regular participation in measurement comparison programs ensures calibration accuracy meets the highest industry standards.
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