Aircraft Hydraulic Fluid Testing - Kits and Monitors

PJi offers hydraulic fluid test kits, laser contamination monitors, and in-line sensor kits for the most popular aircraft hydraulic fluid types, including:

Aircraft hydraulic fluid testing kits are designed to test the condition of hydraulic fluid used in aircraft in order to help identify potential problems in the aircraft’s hydraulic systems.

Our friendly and knowledgeable aviation specialists can help you find the right hydraulic fluid test equipment for your aircraft. Call or chat with us today!

Tronair 06-5051-6500
Tronair 06-5051-6500
Laser Contamination Monitor - 5606 / 83282 / 87257
Works with: Challenger 300, Learjet 23, Learjet 24, Learjet 31, Learjet 31A, Learjet 35, Learjet 45, Learjet 55, Learjet 60, Falcon 10-100 & more...
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Tronair 06-5051-6600
Tronair 06-5051-6600
Laser Contamination Monitor - Skydrol
Works with: Challenger 600, Challenger 601, Challenger 604, Challenger 605 (CL605), Challenger 850, Challenger 870, Challenger 890, Global Express, G200 (Galaxy), G350 & more...
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Tronair K-2339
Tronair K-2339
In-Line Sensor Kit - 5606 / 83282 / 87257 - 5-26 GPM
Works with: HA-420 HondaJet, Falcon 8X
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Tronair K-2340
Tronair K-2340
In-Line Sensor Kit - Skydrol / Hyjet - 5-26 GPM
Works with: Global Express, Global 5000, Global 6000, Global 7000, Global 8000, Global Express XRS, Challenger 650
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Tronair K-4385
Tronair K-4385
In-Line Sensor - 5606 / 83282 / 87257 - 0.5-7 gpm
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Tronair K-4386
Tronair K-4386
In-Line Sensor Kit - Skydrol / Hyjet - 0.5-7 GPM
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Tronair K-4387
Tronair K-4387
In-Line Sensor Kit - 5606 / 83282 / 87257 - 21-100 GPM
Works with: CS100, CS300, Falcon 8X
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Tronair K-4388
Tronair K-4388
In-Line Sensor Kit - Skydrol / Hyjet - 21-100 GPM
Works with: CS100, CS300
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Tronair K-4008
Tronair K-4008
Hydraulic Fluid Test Kit - 5606 / 83282 / 87257 / 23699
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Tronair K-4061
Tronair K-4061
Skydrol Hydraulic Fluid Test Kit - Analysis
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CGSE KH100
CGSE KH100
250 ml Aviation Hydraulic Fluid & Fuel Sample Kit – Analysis Included
Works with all aircraft
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$522.60/ea.
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Tronair K-4062
Tronair K-4062
Fluid Sample Bottle - All Fluids
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Tronair K-4766
Tronair K-4766
Valve Kit for HPU - 5606 / 83282 / 87257 / 23699
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What are some common issues that can be identified through hydraulic fluid testing?

Hydraulic fluid testing can identify a variety of common issues with aircraft hydraulic systems, including:

  1. Contamination: Aviation hydraulic fluid can become contaminated with dirt, debris, and other materials that can cause wear and damage to system components. Testing can detect the presence and type of contaminants in the fluid.
  2. Degradation: Hydraulic fluid can break down over time due to exposure to high temperatures, moisture, and other factors. Testing can identify the level of degradation in the fluid, which can help determine if it needs to be replaced.
  3. Acidity: Over time, hydraulic fluid can become acidic, which can cause corrosion and damage to system components. Hydraulic fluid testing can measure the acidity level of the fluid and determine whether it is within acceptable limits.
  4. Viscosity: The viscosity, or thickness, of hydraulic fluid, can affect its ability to perform properly. Testing can measure the viscosity of the fluid and determine whether it is within the recommended range.

Identifying these and other possible issues through hydraulic fluid testing can help prevent unscheduled downtime, reduce maintenance costs, and improve the safety and reliability of the aircraft’s hydraulic system.

How often should hydraulic fluid be tested in aircraft?

The frequency of hydraulic fluid testing can vary depending on several factors, such as the type of aircraft, operating conditions, and the manufacturer’s recommendations. Generally speaking, aircraft hydraulic fluid should be tested periodically to ensure that it is performing properly and to identify potential problems before they become major issues.

While the testing frequency for a specific aircraft will often be outlined in the maintenance manual or other documentation provided by the manufacturer, some general guidelines suggest testing hydraulic fluid every 100 flight hours or every 6 months, whichever comes first.

If the aircraft is operated under severe conditions such as high temperatures, high humidity, or dusty environments – or if any issues are identified during testing – more frequent testing may be necessary in order to monitor the condition of the aircraft’s hydraulic systems.

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