CONTROL DEVICE USED IN MONITORING WATER POLLUTION Russian patent published in 1995 - IPC

FIELD: environmental protection. SUBSTANCE: device has a channel through which water samples are taken, and is provided with the first pump, control valve and the first mixer, and also the channel for taking in preservative and solvent which is provided with the third control valve, second pump and second control valve. The outlet of the first mixer communicates with the main pipeline in the following sequence: channel cell, third mixer, electromagnetic valves block, collector with containers for storing samples. Hydrophysic fields sensors are fitted into the channel cell and connected to a recording device and to inlets of the block of threshold elements. The device has also a timer and control blocks. EFFECT: higher efficiency and reliability. 1 dwg