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EXTECH MO230 features : Featuring the moisture in wood and other building materials plus air temperature and Relative Humidity Digital LCD readout with analog bargraph and numeric displays Simultaneous digital readout moisture or humidity plus temperature with analog bargraph display moisture , humidity Max values , and programmable wet / dry indication Use on wood , paper , wall board , sheet rock , cardboard , plaster , concrete , and mortar Memory contains 3 groups of 4 groups of wood and building materials with calibration to approximately 150 species and 19 species of wood building materials Mode index values programmed high and low can be used to quickly locate moisture with comparative measurements Replaced threaded pin electrode measurements Impact proof housing Auto power off to save battery energy Built-in battery check and measurement verification test Complete with protective cap , replacement pins , and three button battery CR-2032 specification Wood Moisture 0-75 % range Other Building Materials 0 , 1-24 % Temperature -40 to 158 F ( -40 to 70 C ) Relative humidity 0 to 100 % RH Electrical resistance measurement principle Electrode length 0 , 3 " ( 8mm ) Integrated electrode pin , replaced Auto Power Off After less . 3 minutes Operating temperature 32 to 104 F ( 0 to 40 C ) Operating Humidity 85 % Maximum Relative Humidity Power supply Three- CR-2032 button cell Dimensions of 2.5 x 1.2 x 6: 25 " ( 159 x 63.5 x 30.5mm ) Weight 3 , 5 oz ( 100g )
