|East Coast Marine Surveying and Thermal Imaging|
Lothian (Annapolis), Maryland
Kenneth Roberts, SAMS® AMS®
Principal Marine Surveyor
Certified Level III Thermographer
Serving Maryland & the US East Coast
| I try to give you as much useful information as I can while performing a survey. Please take a minute and learn about the diagnostic equipment and how it is used.|
I use a laptop with software that allows me to connect to most gasoline engines and several outboard engines. I can access sensor data, trouble codes, overheat history and run history. Run history will tell us how many hours the engines have been run at each RPM, and the highest RPM recorded. This is important in determining how the vessel was used. I have a laser serpentine belt alignment tool that is used to inspect pulleys for proper alignment. I use an impedance tester to test batteries. I can test alternator output as well as starter current draw. I also use a refractometer to test the freezing point of coolant. I will perform thermal imaging on the engine while we are underway. This is a helpful tool with diagnosing partial blockages in manifolds and risers. I also scan oil and transmission hoses for potential blockages. I use a combustible fume detector in the machinery space, and on propane systems. I also test the A/C units for leaks, as well as using a decibel meter to test the sound level in the cabin while on a sea trial. I use a meter on the electrical system that will read line voltage, peak voltage, ohms of resistance, hertzÂ and record the trip time and amount of milliamps used to trip a GFCI. I will test the bonding system of the vessel and give a hull potential measurement using a Silver/Silver chloride electrode.
On the hull of the vessel, I have 2 different moisture meters that I scan the hull with, while using the percussive method. After I am done with the hull, hullsides, transom and decks, I scan everything again using the Fluke Ti125 Thermal Camera. The thermal camera is the best non-destructive method of scanning for moisture in the core, previous repairs, etc...I am also equipped to perform ultrasonic testing on steel and aluminum hull vessels.
With all of the results of testing and scanning different systems, I can give you the information you need to make a well informed decision on the purchase of your next boat.
Thank you for taking the time to learn about what goes on during a survey. Please feel free to call if you have any questions.
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Installed October 27, 2012, Last Update May 28, 2020 - Hosted and Maintained by Don Robertson