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                    1. 土工布有效孔徑測定儀
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                            YT030G土工布有效孔徑測定儀（干篩法）適用于干篩原理測定單層土工布及相關產品孔徑方法。土工布有效孔徑測定儀原理：用土工布試樣作為篩布，將已知直徑的標準顆粒材料放在土工布上面振篩，稱量通過土工布的標準顆粒材料重量，計算出過篩率。
                        
                      
                    
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                    3. 土工布有效孔徑測定儀
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                            YT030土工布有效孔徑測定儀（濕篩法）適用于所有類型土工布產品有效孔徑的測定。土工布有效孔徑測定儀符合標準：GB/T17634-1998《土工布及其有關產品有效孔徑的測定-濕篩法》
                        
                      
                    
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