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WY-4 Soil Penetration Resistance Meter
简要描述： Used to measure soil penetration resistance.
产品介绍
1. Main use
Used to measure soil penetration resistance.
2. Main technical parameters
1. Hammer: 2.5Kg
2. Hammer drop height: 30cm
3. Resistance needle area: 1cm2
4. Instrument weight: 3.6Kg
