美国 NIAN 仪器仪表公司研制生产出一种新型的水域水质污染探测仪,这种探测仪是把探头、缩微电脑芯片和发送器安装在一个陶瓷筒里,把它投进需监测的大海、湖泊、渔场、水库等水域里,底部的浮批装置可以任意调节它在水中的深度来取样,采用长效电池作电源, The United States NIAN instrumentation company developed a new type of water pollution detector, the detector is the probe, microcomputers and transmitters installed in a ceramic tube, put it into the need to monitor the sea, lakes, Fisheries, reservoirs and other waters, the bottom of the float device can adjust its depth in the water to sample, the use of long-lasting battery for power,