对流式电流检测器（SCD）进行了独立评估，包括实验室研究、SCD用户调查和水处理厂的现场研究。根据理论，发现流动电流与zeta电位成正比，但观察到读数偏移。用户在大多数方面对SCD的评价都很高。最常见的困难是仪器或采样线堵塞。对10个处理厂SCD安装前后的分析表明，化学费用显著降低，尤其是在原水条件发生变化时。水质并没有显著改善，但这可能是因为在比较期间，植物流量增加了。讨论了SCD使用的实际方面。包括17个参考资料、表格、图表和照片。

An independent assessment of streaming current detectors (SCDs) was carried out, including laboratory studies, a survey of SCD users, and on-site studies at water treatment plants. In accordance with theory, streaming current was found to be proportional to zeta potential, although a reading offset was observed. Users rated the SCD highly in most respects. The most commonly reported difficulty was clogging of the instrument or of sample lines. An analysis of periods before and after SCD installation at 10 treatment plants showed significant reductions in chemical expenses, particularly during times of changing raw water conditions. Water quality was not significantly improved, but this may have been because plant flows had increased between the periods being compared. Practical aspects of SCD use are discussed. Includes 17 references, tables, figures, photos.