à¤Ã×èͧÁ×ÍÇÔ·ÂÒÈÒʵÃì ÍØ»¡Ã³ìÇÔ·ÂÒÈÒʵÃì Moisture Meter à¤Ã×èͧÇÑ´¤ÇÒÁª×é¹äÁéáÅÐÇÑÊ´ MO220 Features: Monitor moisture in wood and other building materials Measure directly with the built-in moisture pins or use remote hand-press probe on hard surfaces Memory contains 8 wood groups with calibrations for approximately 170 species of wood Designed in a rugged double molded housing construction and is pocket sized for one-handed operation Specifications Measuring principle Electrical resistance Electrode length 8mm Electrodes Integrated, replaceable Measuring range Wood: 6-44% (127); Wood: 6-99.9% (129) Material: 0.2-2.0% (127) Display Wood:±1% Accuracy Material:±0.05%(127) Battery 3 x Cr 2032, replaceables; 2 x AAA (129) Housing Impact-proof plastic housing Ambient temperature 0-40℃ Ambient moisture 0-85% à¤Ã×èͧÁ×ÍÇÔ·ÂÒÈÒʵÃì ÍØ»¡Ã³ìÇÔ·ÂÒÈÒʵÃì Moisture Meter à¤Ã×èͧÇÑ´¤ÇÒÁª×é¹äÁéáÅÐÇÑÊ´ MO220