inductive moisture meter ms300 is used for measuring moisture content of wood ,timber,paper,bamboo,carton,concrete ,glasses and other materials.it applicable of woodwork,paper making , flakeboard, furniture , building, and other relevant industry. fetures: 1.1.it is portable, compact, easy to use and the moisture measurement readings are instant. 1.2.digital display with back light gives exact and clearly reading although you stay at the somber conditions. 1.3.it will save time and expense by monitoring dryness and helps to prevent deterioration & decay caused by moisture whilst in storage, therefore processing will be more convenient and efficient. 1.4.the moisture meter operates by electrical resistance and has automatic temperature compensation. 1.5.manual off at any time .auto power off after 5 minutes from last operation. 1.6 data hlold function.low battery alert. 1.7 can testing 10 kinds of materials with different codes. specification display:4 digital lcd measuring range :0-70% temperature:0-60°c humidity:5%-90%rh resolusion:0.1 accuracy: ± 0.5%n operation: electrical resistance method, automatic temperature compensation power supply: 4x1.5 aaa size (um-4) battery dimensions: main unit 140mm×60mm×22mm weight: 120g (not including batteries) guarantee:1 year materials:10 kinds.