毛細(xì)管吸收時(shí)間測(cè)定儀 CST測(cè)定儀 美國(guó) 型號(hào)：FANN 440
 

440型毛細(xì)管吸收時(shí)間測(cè)定儀可用于垃圾處理設(shè)施的控制參數(shù)
440型毛細(xì)管吸力定時(shí)器（CST）由一個(gè)數(shù)字計(jì)時(shí)器，樣品池，和一個(gè)特別選擇由單向纖維濾紙。水樣本被放置在樣品池，導(dǎo)致可變利率水進(jìn)入濾紙通過(guò)毛細(xì)管吸力作用。過(guò)濾速度取決于顆粒的大小，顆粒含量和沉降速度，絮凝狀態(tài)。因此，該儀器可用于垃圾處理設(shè)施的控制參數(shù)和分類(lèi)及巖土利用土壤類(lèi)型條件，土壤/膨潤(rùn)土墊的評(píng)價(jià)，和泥漿槽液和鉆井液分析。
440型毛細(xì)管吸收時(shí)間測(cè)定儀 CST是理想的在野外使用，它運(yùn)行在一個(gè)單一的9伏電池可提供超過(guò)40小時(shí)的使用。一個(gè)電池組是用實(shí)驗(yàn)室提供。完整的CST裝置包括一個(gè)定時(shí)器單元，用漏斗法頭，9伏的電池和電池組（115伏），一盒濾紙，和指令。 
440型毛細(xì)管吸收時(shí)間測(cè)定儀
Capillary Suction Timer (CST) Model 440
Adaptable for use as a control parameter for waste disposal facilities
The Model 440 Capillary Suction Timer (CST) consists of a digital timer, sample cell, and a specially selected filter paper composed of unidirectional fibers. Aqueous samples are placed in the sample cell, resulting in variable rates of water passing into the filter paper through capillary suction action. The rates of filtration are dependent upon particle size, solids content, and settling rates of flocculation state. Thus, the instrument is adaptable for use as a control parameter for waste disposal facilities and for classification and qualification of soil types in geotechnical use, evaluation of soil/bentonite liners, and analysis of slurry trench fluids and drilling fluids.
The CST is ideal for use in the field as it operates on a single 9-volt battery which provides over 40 hours of use. A battery eliminator is supplied for laboratory use. The complete CST device consist of a timer unit, test head assembly with funnel, 9 VDC battery and battery eliminator (115 VAC), one box of filter paper, and instructions.