DEVICE TESTING IMPURITIES IN LIQUID Russian patent published in 1996 - IPC

FIELD: measurement technology. SUBSTANCE: invention is meant for inspection of condition of water objects and sources of their pollution during physical-chemical analysis of liquid media. Device testing impurities in liquid has case housing vessel with constant level with measurement chamber located in it provided with piston and hole in bottom for examined liquid and holes for reagents. Piston body houses additional pistons and mixer. Tubes resting against seals and connected with pipe-lines to vessel for reagents are installed in vertical sockets of chamber wall. Numbers of pistons, sockets, tubes, pipe-lines and vessels are related to quantity of used reagents. Conductive filaments are included into mix of all used drives. Device also has measurement pickup made in the form of illuminator with photodetector. EFFECT: simplified design, increased operational reliability. 6 cl, 1 dwg