土壤比重计诚招全国代理使用说明：

1、 密度计法进行颗粒分析试验宜采用天然含水率土样。也可采用风干（烘干）土样进行;

2、 对于风干（烘干）土样，取代表性土样100~300g，放入研钵中，用带橡皮头的研杵碾散将研散后的土过2mm筛，将筛上土研散再过筛，直到筛上仅留下大于2mm的颗粒为止;

、产品本厂承诺所有的系列产品，严格按照国标、部标标准组织生产，并承诺所提供的产品是全新的未曾使用过的，从原材料进厂到设备出厂都经过严格的和完善的检验。

Our factory promises that all series of products will be produced in strict accordance with the National Standard ａnd the ministry standard, ａnd that the products will be brand-new ａnd unused, from the raw materials into the factory to the equipment factory after strict ａnd perfect inspection.

二、售后服务

产品售后服务工作由本厂售后服务部与全国的授权代理商和经销商共同完成。

The after-sales service of the after-sales service products shall be jointly completed by the after-sales Service Department of our factory ａnd authorized agents ａnd distributors throughout the country.

土壤比重计诚招全国代理