Yokogawa Targets Upstream Oil and Gas Applications with Release of New Low-power DPharp Series Differential Pressure/Pressure Transmitters - Aiming for the top position in the global sensor market -

Tokyo, Japan - October 23, 2014

Yokogawa Electric Corporation announces that it has developed a new low-power version of the DPharp EJA-E series differential pressure/pressure transmitter and will release this product in all markets other than Japan and Europe on December 15. The European release will follow in 2015. This new low-power product outputs both 1 to 5 V DC and HART signals and has been developed to meet the specific requirements of oil and gas exploration and production (upstream) applications.

Yokogawa's differential pressure/pressure transmitters are playing a key role in achieving the objectives of the Evolution 2015 mid-term business plan, which calls for the company to focus on the booming upstream oil and gas industries, and in the implementation of a control business strategy that commits the company to capturing the No.1 position in the global sensor market. With this new low-power DPharp transmitter, Yokogawa aims to expand its control business and achieve the targets set out in its Evolution 2015 plan.

low-power version of the DPharp EJA-E series
low-power version of the DPharp EJA-E series

Development Background

Differential pressure/pressure transmitters are widely used in the oil, petrochemical, and chemical industries to measure the pressure, flow rate, and level of liquid, gas, and steam. They can be found both in plants and in the field, at locations such as oil and gas wells.

Thanks to the global rise in demand for energy, oil and gas resources are being actively developed. As technological progress in recent years has made it possible to develop and produce oil and gas in places with poor infrastructure (such as electricity and communications), instruments and devices in such areas must be able to function on a limited power supply from solar power or batteries.

Product Features

  1. Superior energy efficiency
    Thanks to a redesign of its power circuitry, this new low-power DPharp EJA-E series transmitter achieves superior energy efficiency, consuming just 27 mW (0.96 to 3 mA) of power.
  2. Superior accuracy and stability
    Like all DPharp transmitters, this new low-power model is both highly accurate and stable. It has a reference accuracy of ±0.055% and will remain within ±0.1% of the upper range limit for seven years. In these respects, this new product outperforms most other generally available low-power models with equivalent specifications.
  3. Easy installation and maintenance
    Basic settings for this new DPharp transmitter can be done easily using a setting switch and an external adjustment screw on the transmitter.

Major Target Markets

Process industries such as oil and natural gas, petrochemicals, chemicals, iron and steel, pulp and paper, power, and water treatment

Applications

Measurement of pressure and flow rate of liquid, gas, and steam; measurement of liquid level

Yokogawa's Approach to This Field

In 1961, Yokogawa became the first company in Japan to release a differential pressure/pressure transmitter to the market. In 1991, we were the first to introduce a monocrystal silicon resonant sensor and a micro-electro-mechanical system (MEMS) technology, for use in the pressure detectors that are at heart of our DPharp differential pressure/pressure transmitter, a truly revolutionary, high-precision measurement instrument. In 1994 we launched the DPharp EJA series of compact, multipurpose transmitters. In 2004 we released the DPharp EJX, a high-end SIL2 certified transmitter with a multi-sensing function that can simultaneously measure both differential and static pressure. In 2013, we added Modbus protocol support to the DPharp EJX multivariable transmitter for gas exploration and production (upstream) applications. With the goal of attaining the No.1 position in the global sensor market, Yokogawa will continue to release new products that meet its customers' needs.

 

About Yokogawa

Yokogawa's global network of 86 companies spans 56 countries. Founded in 1915, the US$4 billion company conducts cutting-edge research and innovation. Yokogawa is engaged in the industrial automation and control (IA), test and measurement, and other businesses segments. The IA segment plays a vital role in a wide range of industries including oil, chemicals, natural gas, power, iron and steel, pulp and paper, pharmaceuticals, and food. For more information about Yokogawa, please visit the company's website www.yokogawa.com.

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