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The Tronair HC-1783 is a pressure gauge with a 0 to 3,000 PSI range. It is designed to be a direct replacement part on select Tronair ground support equipment (GSE). The crystal is made of durable Plexiglass, and the case is constructed of one-piece, die-cast brass.
| General Information | |
|---|---|
| Part # | HC-1783 |
| Manufacturer | Tronair |
| Shipping Information | |
|---|---|
| Product Weight | 0.5 lbs. |
| Product Dimensions | 3.5 x 4 x 2.5 in. |
| Schedule B | 9026200000 |
| ECCN | EAR99 |
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AIRCRAFT COMPATIBILITY
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QUESTIONS & ANSWERS
The HC-1783 uses a 1/4 NPT male bottom connection, allowing it to be mounted into pressure lines or ports with matching female threads.
Yes. The HC-1783 is glycerine-filled, which helps dampen needle movement and improve reading stability under vibration or pulsation.
The HC-1783 is a 2.5" (dial) gauge and is quoted with an accuracy of ±1.5% of full scale.
Yes, the gauge features a dual scale on the dial showing both PSI and bar for ease of use across different unit systems.
The gauge tolerance is listed as ±1% to ±0.5% full scale, meaning that readings should fall within that variance under standard operating conditions.
Yes. With its glycerine fill and durable construction, the HC-1783 is better able to resist needle flutter and maintain readable output even under vibration.
If the HC-1783 shows signs of damage (cracked lens, bent pointer, leakage) or its readings drift beyond tolerance, it should be removed from service, cleaned if possible, and recalibrated or replaced. Using it uncalibrated risks inaccurate readings and potential system damage.
While the HC-1783 is a general-purpose pressure gauge rated 0 to 3,000 PSI, it should be used only with fluids or gases compatible with its materials and internal seals. Check with the system’s fluid compatibility and whether the gauge is rated for that medium.
Yes. Precision gauges like the HC-1783 should be calibrated periodically (often annually) or per your facility’s quality system to ensure measurement accuracy over time.
It depends on the manufacturer’s service policy. Some gauges permit lens or crystal replacement, but you must use OEM parts to preserve calibration, sealing, and warranty integrity.
The HC-1783 is often used in ground support and aircraft maintenance systems for strut servicing, nitrogen charging, hydraulic systems, and wherever high-pressure monitoring is needed. Its 3,000 PSI range makes it suitable for demanding uses in aviation GSE.
