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The Tronair HC-1385 is a replacement pressure gauge with a range of 0 to 3,000 PSI (206.8 bar).
To confirm that this gauge is compatible with your specific HPU, please provide our aviation specialists with the model and serial number of your unit.
| General Information | |
|---|---|
| Part # | HC-1385 |
| Manufacturer | Tronair |
| Shipping Information | |
|---|---|
| Product Weight | 0.7 lbs. |
| Product Dimensions | 3.8 x 2.5 x 2.5 in. |
| Schedule B | 9026200000 |
| ECCN | EAR99 |
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AIRCRAFT COMPATIBILITY
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QUESTIONS & ANSWERS
The Tronair HC-1385 pressure gauge has a full-scale range of 0 to 3,000 PSI. This range makes it suitable for monitoring hydraulic pressure in aircraft hydraulic power units and related ground support equipment. A 3,000 PSI gauge is commonly used in aviation maintenance environments where high-pressure hydraulic systems are serviced.
The HC-1385 is a direct OEM replacement pressure gauge for select Tronair hydraulic power units, including the 5010, 5020, 5030, and 5F20 Series. It is designed specifically to match the original equipment specifications of these HPUs. Using an OEM replacement gauge helps ensure proper fit, performance, and reliability.
The HC-1385 is used with HPUs designed for both mineral-based and phosphate ester aviation hydraulic fluids. The 5010 and 5020 Series support MIL-PRF-5606 and MIL-PRF-83282 mineral-based fluids, while the 5030 Series supports phosphate ester fluids such as Skydrol and HyJet. Proper gauge selection ensures safe operation across different hydraulic fluid types.
The Tronair HC-1385 pressure gauge offers an accuracy of ±1/2% of full scale. This level of precision ensures reliable pressure readings up to 3,000 PSI, making it well-suited for aircraft hydraulic power unit (HPU) applications. Accurate pressure monitoring is essential for safe and compliant hydraulic servicing operations.
Using a direct OEM replacement, such as the Tronair HC-1385, ensures compatibility with your hydraulic power unit’s design and pressure specifications. OEM gauges are engineered to meet original performance standards, reducing the risk of inaccurate readings or premature failure. This helps protect both ground support equipment and aircraft hydraulic systems.
Yes, the HC-1385 pressure gauge is calibrated and ships with the manufacturer’s Certificate of Conformity (CofC) and a calibration certificate. This documentation supports quality assurance requirements and helps maintenance teams maintain proper compliance records. Always retain calibration paperwork for inspection and audit purposes.
Calibration intervals depend on internal maintenance programs and regulatory requirements, but many aviation operators follow annual calibration schedules. Regular recalibration of a 0 to 3,000 PSI pressure gauge helps maintain measurement accuracy and system safety. Always follow your organization’s quality assurance procedures.
Yes, the HC-1385 is designed as a direct replacement part, meaning it installs in place of the original gauge without modification to the hydraulic power unit. This simplifies maintenance and minimizes downtime. Always follow proper lockout and depressurization procedures before replacing any pressure gauge.
A hydraulic pressure gauge provides real-time monitoring of system pressure during aircraft servicing. Accurate pressure readings help technicians verify proper hydraulic output and prevent over-pressurization. Reliable gauges are critical to maintaining safe and efficient operations of ground support equipment.
An inaccurate pressure gauge can lead to improper hydraulic system pressure settings, potentially affecting aircraft maintenance procedures. Overpressurization may damage components, while underpressurization can result in incomplete servicing. Regular inspection and calibration of the HC-1385 pressure gauge help prevent these risks and ensure safe hydraulic operation.
