26
SKIPPER 5 MOISTURE METER USER GUIDE
SURVEYING GUIDELINES
Boat hulls should be thoroughly pressure washed with
fresh water to remove all weed, slime and salt. Allow the
hull to become completely dry before taking any read-
ings. Make sure that bilges are thoroughly dry and well
ventilated before the test. Do not take readings in wet or
very humid conditions, or at sub-zero temperatures.
Starting at the bows, take readings from the topsides,
and work downwards to the centreline or keel at regular
intervals. Repeat every half a meter or so along the boat's
length on both sides of the hull. Note down all readings
and record weather conditions at the time of test.
Persistently high moisture readings may indicate an
osmotic condition, but any diagnosis must include a
thorough visual examination. Bilge water and internal
condensation may also cause high readings.
Older boats laid-up with Orthophthalic resins, and boats
coated with epoxies may show high moisture readings
for several weeks after lifting out. If necessary, readings
should be repeated after a period on hard standing.
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