It is mainly used in industrial field liquid level​ measurement and control, urban water supply and sewage treatment, petroleum, chemical industry, power plant, hydrological monitoring, reservoir, dam, hydropower construction and other fields. The key raw materials, components and parts of the new transmitter produced by introducing foreign advanced technology and equipment are imported.

The EJA-E series of transmitters is Yokogawa's most recent evolution of the DPharp family of pressure transmitters. Released in 2012, it combines the ruggedness and success of the work-horse EJA-A series with the performance of the thoroughbred EJX-A series to deliver the type of product you have come to expect from Yokogawa.