Tatami ( straw mat) Moisture Tester Kett HX-300

The HX-300 displays the moisture ( % ) by the simple insertion of a needle-shaped sensor into the surface matting, or tatami stuffing ( " tatamidoko" ) . It is known that the moisture content of the stuffing and atmospheric temperature are big factors in the outbreak of tatami matt lice infestations. Further, high moisture content in the stuffing can also be the cause of fungi and decay. Recently, there has been an increasing move from rice straw tatami stuffing to different types of building materials. This moisture tester can measure the moisture content of tatami surfacing, rice straw stuffing and tatami board ( wooden board flooring material) , control of the moisture content of which is prescribed by both the Japan Industrial Standard in particular, as well as the Japan Agricultural Standard. Ï Specifications HX-300 Measurement method Electrical Resistance Method Applications Tatami surface matting, Rice straw stuffing, Tatami board ( wooden board flooring material) Measurement range Tatami surface matting: 8-20% , Rice straw stuffing 7- 25% , Tatami board: 7-35% Measurement precision Standard error: Tatami surface matting 0.8% , Rice straw stuffing 1.3% , Tatami board 1.3% Display format Digital ( LCD, smallest displayed unit 0.1% ) Allowable temperature range 0 - 40° C Additional functions Automatic temperature compensation, Average value display, Max value alarm setting ( 10 - 79% , or OFF) , Auto Off ( turns power OFF automatically after approx. 5 min) , Moisture value compensation ( -9.9% - 9.9% ) Power source 6pcs. 1.5V Batteries ( " AA" size Alkaline) Dimensions & weight 110( W) x210( D) x50( H) , Net 0.5kg , Shipment 440( W) x400( D) x160( H) , 4.0kg Accessories 2-Needle sensor, 4pcs Spare needles, Spacer for sensor needles, Wrench, Shoulder strap, 6pcs 1.5V Batteries ( " AA" size Alkaline) , etc.