MOISTURE METER FOR
THE MARINE INDUSTRY
GRP (GLASS REINFORCED PLASTIC)
AND WOODEN BOATS
Osmosis in GRP
Osmosis, also known as Gelcoat Blistering, is found in GRP hulls -
when moisture soaks into the hull surface, collects between theglassfibre or plastic laminate, resulting in blistering of the gelcoat.
Usually found on or below the waterline,
Osmosis dramatically reduces the structural strength of the hull and the value of a boat.
The Skipper Plus Moisture Meter is used for:
• Early detection before blistering appears.
• Identifying the affected area.
• Monitoring hull during de-humidificationand repairs.
• Checking stripped or peeled areas for dryness prior to re-coating.
To achieve a lasting finish and strength of wooden boats and boat parts it is essential to ensure that they are well maintained and
do not contain excess moisture. Excess moisture can rot and decay the wood itself.
Moisture in Wood
Moisture can cause peeling and blistering of applied finishes and treatments, newly applied finishes can fail
prematurely if the wood it is applied to is not sufficiently dry.
Hidden or trapped moisture can lead to mold and biological growth.
The Skipper Plus can be moved across the surface of the boat to moisture survey in a fast and thorough manner,
detecting moisture non-destructively through paint and coatings on wood up to a depth of 30mm.
The Skipper Plus can also be used to detect leaks and trace them to source both above and below decks.
NO PINS OR PROBES TO CAUSE SURFACE DAMAGE
TheSkipper Plus operates on the principal of non-destructive impedance measurement.
Coplanar electrodes are fitted on the base of the instrument from which low frequency signals are transmitted into the material
being tested measuring the change in impedance caused by the presence of moisture.
This reading is translated by the instrument into a moisture content reading
Material under test
Alternating Electric field
HOW IT WORKS
The Skipper Plus incorporates all the features and benefitsfound in the original Skipper such as:
•Non-destructive detection and measurement of moisture in Wooden boats, GRP (Glass Reinforced Plastic) boat
hulls, wooden parts, components, decks etc.
•Three measurement ranges optimized for testing ofdifferent materials such as Hardwood, GRP and Surface moisture.
•Deep signal penetration to detect elevated moisturethrough most covering and coating materials and deep
into the core of composite hulls without having todamage or puncture the material being tested.
•External rubber electrodes in direct contact with material
being tested for best sensitivity, repeatability and greater depth of signal penetration.
In addition to these features the Skipper Plus offers the following:
•Wide range of readings for wood of 5% to 30% on hard
wood scale and 0 to 100 on comparative scale for GRP and other materials.
•Large, clear, easy to read display giving meaningful readings.
•Hold function enables user to "freeze" the reading, useful
when taking readings in awkward places where the meter face may not be visible.
•High Moisture Audio Warning Tone that can be switched on or off.
•Automatic Power Cutoff switches "Off" when not in use to save battery.
Non - Destructive Moisture Meter for the Marine Industry.
The Skipper Plusis an upgraded version of the world’s best known and successful
non-destructive moisture meter for boats, the Tramex Skipper.
The newSkipper Plus incorporates the latest technology
to give the most accurate analog read out.
TRAMEX Skipper Moisture Meter
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