This best selling Electrophysics GRP-33 wood moisture meter detects water content in wood and fiberglass. This analog meter indicates moisture levels in fiberglass up to 3% and wood up to 30%. Use on fiberglass boats to detect osmosis before gel coat or topcoat blistering occurs. Check hull dryness before painting, or use to find and trace leaks on boats of all kinds.
Moisture meters are used by surveyors, shipwrights, yacht brokers, painters, repair specialists and etc. Calibration may be checked quickly with the provided test block and may be reset in 2 minutes, this include when purchase the GRP-33.
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