PMS710 Digital Soil Moisture Meter 0-50% High Precision Soil Hygrometer Test River Sand Soil Cement Land Plater Sensor Tool Soil moisture meter PMS710 is used for measuring moisture content of soil and cement,especially for soil moisture testing . It applicable of agriculture planting,building, industry production,science experimence and other relevant industry. Features: It is portable, compact, easy to use and the moisture measurement readings are instant. Digital display with back light gives exact and clearly reading although you stay at the somber conditions. 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. The moisture meter operates by electrical resistance and has automatic temperature compensation. Manual off at any time .Auto power off after 5 minutes from last operation. Data hlold function. Low battery alert. Specification: Display:4 digital LCD Measuring range :0-50% Operation condition: Temperature:0-60°C Humidity:5%-90%RH Resolusion:0.1 Accuracy: ± 2%n(Non- saturation condition) Power supply: 4x1.5 AAA size (UM-4)(NOT Include) battery Dimensions:140mm×60mm×22mm Needle: 280mm