Model HKC-30 Soil moisture fast analyzer Purpose: mainly used in road, building and other civil building engineering, 30 type is suitable for the size 5 or less ㎜ various soil (sand), lime, fly ash and other homogeneous material moisture content determination. The type 200 is suitable for the determination of the coarse grained soil water content. Technical parameters: Measuring temperature: 20±5 Max pressure: 4Mpa maximum working pressure: 0.3 Mpa air tight test pressure: 0.4 Mpa