CT33- Pinless with analog meter, 0%-30%, one inch depth Pinless models are popular for marine surveys, appraisal, damage inspection and restoration. Get early warning of osmosis before visible gel coat blistering. Reveal susceptibility to rot of interior wooden cabin fittings. Monitor hull dryness (repairs dehumidification, painting). Use one meter for all fiberglass-composite and wood applications. Advanced electromagnetic sensing gives objective assessment of moisture content-reliable and affordable. Please call to order.