Handheld Moisture Meter: Used to measure the water content of wooden, fibrous objects, measuring range is 0-80%. HD Digital LCD Display: Large readable LCD display with backlight, which can quickly show the measurement, clearly and easily to read. Power source: 3 AAA batteries (included), low battery indicator, automatic shutdown without operation after 10 minutes, convenient and energy saving . 8 kinds of measurements to choose from: "1" is for Rhodesia Teak, Ormosia, Brazil Walnut; "2" is for white poplar, teak, etc. is for lauan, ash wood, elm, etc. "4" is for linden, larch, pine, etc. "A" is for karstenite. Cement mortar. "C" is for lime mortar, "D" for brick. Wide applications: used to measure the water content of objects made of wood, bamboo, cotton, tobacco, paper, cardboard, medical materials, etc. Widely used in home, industry, construction and woodworking. Product Description Wood Moisture Meter 8 groups Calibrated for Selection This instrument is a conductivity moisture meter specially designed for household, industrial, construction and woodworking. The instrument has eight scales of d calibration, allowing the user to take accurate moisture measurements in different wood species. Use objects Used to measure the moisture content of wooden objects and fibrous, such as wooden ware, bamboo ware, cotton, paper, cardboard, medicinal materials, etc. 8 kinds of measurement for selection Type 1: Rhodesian Teak, Ormosia, Brazil Walnut Type 2: Walnut, Clone Wood, White Poplar, Teak Type 3: Fir, Douglas Fir, Lauan, Ash white, White fir, Maple, Ash wood, Cork wood, Sandalwood, Elm, Koombar, Hemlock, Borneol wood, Oak Type 4: Mason pine, Chilean pine, Spurce, Larch , Apitong, Birch, Linden 8 kinds of measurement for selection Other material A: Karstenite Other material B: Cement mortar Other material C: Lime mortar Other material D: brick HD digital LCD display Larger readable LCD display with backlight, which can Quickly display the measurement, clearly and easily Specification 1. Display: LCD large character display with backlight 2. principle of measurement: electrical resistance 3. range: wood 0~80% 4. resolution: 0.1% 5. electrode length: 10mm (0.4in) 6. automatic switch-off: after approx. 10 minutes 7. power supply: three AAA batteries (included) 8. meter housing: ABS plastic 9. operating temperature: 0-40C (32-104F) 10.Operating humidity: 20%RH~90%RH Widely application < p>Used to measure the water content of wooden and fibrous objects, such as wooden articles, bamboo articles, cotton, paper, cardboard, medicinal materials, etc. Widely used in households, industry, construction and woodworking. How to install batteries? 1. Remove the Measure Pins's Protection Caps. 2. Push the device out of the case. 3. Install batteries to the battery door. 4. Assemble the device.And turn on the moisture meter.