Precision Engine & Drone Operation Monitor
Product Overview
The YM Aviation Hours Timer D3JZ301 is a high-precision, military-specification operational hours counter engineered for critical aviation and unmanned systems. Designed to monitor cumulative running time of aircraft engines, drone power plants, and train propulsion systems, it ensures accurate maintenance scheduling and lifespan management. As part of YM's extensive portfolio, which includes Military Metal Relay and Automotive Relay solutions, this timer embodies our commitment to reliability in extreme environments. Its core function is to deliver unwavering accuracy for predictive maintenance, directly reducing downtime and operational risk.
Core Advantage: Exceptional durability and precision under variable pressure, temperature, and vibration conditions, making it suitable for both military and commercial high-demand applications.
Technical Specifications
- Model: D3JZ301
- Coil Power Consumption: (0.3 ~ 0.43)W
- Contact Load & Life: Resistive, 1A, 28V DC, 1 x 10^7 cycles
- Contact Resistance:
- Initial: ≤50mΩ
- Post Life Test: ≤200mΩ
- Time Parameters:
- Action Time: ≤4ms
- Release Time: ≤4ms
- Incentive Pulse Width: (10～50) ms
- Dielectric Withstanding Voltage:
- Normal Atmosphere: 500Vr.m.s., 50Hz
- Low Pressure: 250Vr.m.s., 50Hz
- Insulation Resistance:
- Normal Atmosphere: >500MΩ
- Post High-Level Life Test: >50MΩ
- Weight: <3g
- Tightness (Sealing): Leakage rate ≤ 10^-1 Pa·cm³/s
- Operating Temperature (Coil): 25°C Reference (Wide range operable)
Product Features & Advantages
- Military-Grade Reliability: Built to withstand harsh conditions, complementing our Military Metal Relay line in robustness.
- Ultra-Low Power Design: Minimizes energy draw from critical systems, a principle also seen in our PCB Signal Relay series.
- Extended Mechanical Life: High cycle count (1x10^7) ensures longevity, reducing total cost of ownership.
- Superior Sealing: Hermetic sealing protects against moisture, dust, and corrosive atmospheres.
- Rapid Response: Sub-4ms action/release time enables precise timing in fast-paced systems.
- Lightweight & Compact: At under 3g, it integrates seamlessly into weight-sensitive aviation and drone applications.
Our Advantage: YM leverages 18+ years of precision engineering, applying the same rigorous quality control used in our Solid State Relay and Industrial Power Relay manufacturing to this aviation timer, ensuring batch-to-batch consistency.
How to Integrate the D3JZ301 Timer
- System Compatibility Check: Verify the timer's voltage (28V DC) and load (1A) ratings match your engine or drone's auxiliary circuit.
- Mounting: Securely mount the timer in a location protected from direct vibration impact or excessive heat.
- Wiring: Connect the timer in series with the ignition or main power circuit of the monitored engine/system, observing polarity.
- Calibration & Testing: Power the system and verify the timer increments with system operation. Perform a functional test of the output contacts.
- Integration with Monitoring System: Connect the timer's output signal to your central maintenance or flight data system for hour tracking.
Application Scenarios
The D3JZ301 is indispensable across industries requiring precise operational hour logs:
- Unmanned Aerial Vehicles (Drones): Tracks engine and propulsion system hours for scheduled maintenance and component replacement.
- General & Commercial Aviation: Monitors aircraft engine and APU (Auxiliary Power Unit) running time, crucial for lease returns and resale valuation.
- Rail Transportation: Logs operational hours for train engine and generator sets, aiding in predictive maintenance schedules.
- Industrial Power Generators: Works alongside Industrial Power Relays in generator control panels to record run hours for service intervals.
- Military Ground Support Equipment: Provides reliable hour tracking for mobile power units and other critical support machinery.
Value for Buyers: Enables data-driven maintenance, prevents premature failures, ensures compliance with service mandates, and protects asset value through accurate lifetime records.
Certifications & Compliance
Manufactured in an SGS-audited facility, our production processes adhere to stringent international standards. While specific certifications for this component are application-dependent, it is designed and tested to meet the performance and reliability criteria relevant to: CE, UL, and various military specifications. Our expertise in producing certified Automotive Relay and New Energy Relay components ensures a foundational commitment to compliance and safety.
Customization Options
YM specializes in tailored solutions. For the D3JZ301, potential customizations include:
- Specific voltage or current rating adjustments.
- Custom connector types or lead wire lengths.
- Modified mounting brackets or form factors.
- Specialized calibration for different increment intervals.
- Branding and labeling per client requirements.
Our strong ODM/OEM capability, proven in PCB Board Relay and Latching Relay projects, allows us to adapt this timer to your exact system needs.
Production & Quality Process
Every D3JZ301 timer undergoes a controlled manufacturing journey:
- Precision Component Sourcing: High-grade materials are sourced and inspected.
- Automated Assembly: Core assembly is performed in controlled, automated stages to ensure consistency.
- Sealing & Potting: Critical sealing process is conducted in a dedicated environment to guarantee the specified leakage rate.
- Functional Testing: 100% unit testing for time accuracy, contact resistance, and insulation resistance.
- Life Cycle Sampling Test: Rigorous batch sampling under simulated operational stress to validate lifespan claims.
- Final Audit & Packaging: Final inspection and anti-static, protective packaging.
This process mirrors the quality systems applied to our entire range, from Solid State Relays to Polarized Relays.
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