Narang scientific & electronic equipments is offering on line conductivity meter, model 681e .The company is engaged in manufacturing and exporting a wide range of analytical instruments for various applications. On line conductivity meter is a water process instrument. It is used to monitor conductivity of pure water running in a pipe-line. The conductivity cell is of platinum dip type and provided with stainless steel electrodes. This instrument is mounted on a ¾" plastic pipe line containing sample liquid. On line conductivity meter is widely used in chemical plants and other industrial purposes.