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Tramex Skipper Plus Moisture Meter

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  • Specifically designed to detect excess moisture in GRP and wooden boats.
  • Identifies presence of osmosis in fibreglass hulls.
  • Monitor hulls during de-humidification and check stripped areas prior to re-coating.

rrp £340.00

now £306.00 (Ex. VAT) £367.20 (Inc. VAT)

rrp £340.00

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  • Description

    Tramex Skipper Plus - Moisture Meter

    • 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 of different materials such as Hardwood, GRP and Surface moisture.
    • Deep signal penetration to detect elevated moisture through most covering and coating materials and deep into the core of composite hulls without having to damage 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.
    • 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.

    Osmosis in GRP

    Osmosis, also known as Gelcoat Blistering, is found in GRP hulls - when moisture soaks into the hull surface, collects between the glassfibre 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.

    Skipper Plus Moisture Meter is used for:

    • Early detection before blistering appears.
    • Identifying the affected area.
    • Monitoring hull during de-humidification and 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 (1.25”). The Skipper Plus can also be used to detect leaks and trace them to source both above and below decks.

  • Specification

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  • Supplied Accessories

    • 9v battery
    • Carry pouch
    • Instruction manual
    • 12 months manufacturers warranty
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  • Delivery Information

    At we understand the importance of a reliable delivery service when shopping online. Especially when the goods are often essential to your working day. If your goods are required by a certain date please feel free to contact us for an honest and realistic indication whether this can be met. We aim to process all orders we receive within 1 to 3 working days, however from time to time we do have an increased demand for certain products or there might be delays from the manufacturer. In such cases delivery of your equipment may be subject to a minor delay.

    We use DPD/Interlink for all larger items and Royal Mail for smaller items and accessories. With DPD/Interlink you will receive a 1 hour delivery window on the day of delivery via e-mail/text and a notification 15 minutes before arrival so you will not have to wait around all day. You can even manage your booking online and re-arrange delivery for another date or arrange the goods to be left with a neighbour of your choice.

    We also offer delivery options for goods required urgently on certain products, all which are sent by DPD/Interlink.

    Our charges for UK deliveries:

    • FREE Delivery (on select products only): typically 3-5 working days*
    • Standard Delivery at £4.95: 2-3 working days
    • Next Working Day Delivery (on select products only) at £7.50
    • Pre-Noon Next Working Day Delivery (on select products only) at £9.50*
    • Pre-10.30am Next Working Day Delivery (on select products only) at £18.50*
    • Saturday Pre-Noon Delivery (on select products only) at £14.50*
    • Sunday Pre-Noon Delivery (on select products only) at £14.50*

    *UK mainland only

    NOTE! For next working day or Saturday/Sunday delivery options the order MUST be placed no later than 3pm on the working day before delivery is required. After 3pm, please arrange with our staff before selecting a priority delivery service. Priority services are available to UK mainland residents only (this might exclude certain areas in the north of Scotland).

    Customers outside the UK: exports to many countries all over the world. Prices for shipping vary on location and weight/dimensions. Costs are calculated for certain countries at the checkout. If your country is not included in this list please e-mail with your name, address and the items you would like to order for an accurate shipping quote or go to for more information.

    For more information on delivery, please see our terms and conditions.