Chongqing Yokogawa Instrument Co., Ltd. (Cys) was founded in 1995 by Yokogawa Electric Co., Ltd., Chongqing Chuanyi Automation Co., Ltd. and Yokogawa electric (China) Investment Co., Ltd., with a total investment of 34.2 million US dollars. Based on the enterprise philosophy of "quality first, pioneering spirit and social contribution", the company has sustained, healthy and rapid development.

EJA-E series high performance differential pressure transmitter is suitable for measuring the flow, liquid level, density and pressure of liquid, gas or steam, and converting it into 4 ~ 20mA DC current signal output. It has the functions of fast response, remote setting and self diagnosis. EJA-E series supports brain, Hart / Hart (1-5V) low power consumption and foundation ™ Fieldbus or PROFIBUS PA communication protocol.

EJA438 E diaphragm sealed pressure transmitter can be used to measure high low temperature level and pressure, high vacuum, high viscosity and easy crystalline medium, it is also converted into a 4 ~ current signal output of 20 ma dc