负压式水质采样器的研制及应用

Study and application of the instrument of collecting water samples by utilizing atmospheric pressure

概述了我国目前水质采样技术规范和水质采样器的现状 ;阐述了负压式水质采样器的结构组成、工作原理及采样方法。该采样器不需电源、携带方便 ,可有效地控制采样深度并实现分层采样。

This article introduces the technology specification and the present situation of the instruments of collecting water samples in China. It expounds the form and principle of work of the instrument of collecting water samples by utilizing atmospheric pressure. This instrument needs no electricity, covenient to carry, and it can control the effective degree of depth of collecting water samples and collect water samples by dividing the waters into layers.