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Press Release

Welcome to ESI Technology Limited

ESI

By ESI

| Read Bio

Published: October 10th, 2022

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ESI Technology Ltd designs and manufactures pressure transducers and transmitters for the aerospace, defence, oil & gas, subsea, medical, automotive, marine, process and general industrial markets.

Welcome to ESI Technology Limited

ESI’s Product innovations include

  • Silicon-On-Sapphire Sensor Technology
  • GD4200 USB Transducer; Designed for the monitoring and recording of pressure data
  • HI6000 Digitally Compensated Transmitter; Capable of withstanding a consistent compensated temperature range of -25°C to +135°C., and up to 150° for limited periods

In 2021 ESI also launched 2 more product lines; The RS-485 Series, and a Hydrogen compatible pressure measurement range, offering yet more capability to ESI’s product scope.

What is Silicon-On-Sapphire (SOS) Sensor Technology?

Welcome to ESI Technology Limited

Incorporated throughout the ESI range, SOS combines Silicon and Sapphire to create a very durable sensor. Because the silicon is grown onto the surface of the sapphire it is incredibly stable and exhibits virtually no hysteresis. With its outstanding insulation properties, the sapphire protects the strain gauge from electromagnetic pulse radiation, and allows the sensor to operate over a very wide temperature range without loss of performance. It can endure high over pressures and provides superb corrosion resistance. The excellent elasticity of the sapphire ensures high repeatability which is a highly desirable characteristic for sensors.

Welcome to ESI Technology Limited

Advantages of SOS

  • Titanium pressure diaphragm is welded to titanium threaded pressure port; no o-ring seals
  • High accuracy 
  • High resistance to over-pressure and pressure transients
  • Excellent chemical resistance
  • Stable at elevated temperatures
  • High sensitivity 10mV/V to 20mV/V
  • Pressures from -1 bar to 5000bar 
  • High pressure HP range is machined from single Titanium piece

Hydrogen Compatible Pressure Measurement

One of ESIs most recent range of pressure measurement solutions, the H2 range is compatible with Hydrogen based environments, and is available in a general industrial, high pressure and high accuracy variant, as well as a digital transducer, available with a combination of ATEX and DNV-GL certification on selected models.

Welcome to ESI Technology Limited

What is Hydrogen Compatibility?

Samples of the materials used in the manufacture of the range were tested based on ISO 11114-2:2017 in accordance to the European Regulations EC 79/2009 and EU 406/2010 to determine an “embrittlement index” of the material when placed in a saturated environment over extended periods of time. Results have provided a pass rating to the compatibility of the material against Hydrogen.

The Material

The pressure diaphragm and threaded pressure port are machined from a specialist Titanium alloy specifically designed to withstand harsh and demanding environments. This, along with the non-oil-filled sensor and high integrity stainless steel housing results in a robust and versatile unit that offers excellent media compatibility across a range of environments.

The Hydrogen range also benefits from the same Silicon on Sapphire (SOS) sensor technology used throughout the ESI brand, providing outstanding performance, stability and highly accurate pressure measurement.

Applications

Hydrogen is already used in a growing variety of industries, and although the Oil & Gas sector still remains the predominant source of energy supply and usage, there are significant efforts being made to find an alternative.

Applications for ESIs H2 range include;

  • Hydrogen storage
  • Hydrogen production
  • Hydrogen re-fuelling
  • Hydrogen engines
  • Marine propulsion
  • Hydrogen fuel cells
  • Laboratory environments
  • Industrial applications

Introducing the RS-485 Series….

The ESI RS-485 series of high performance transducers has been developed due to an increase in demand from our clients and offers pressure measurement solutions through digital, high accuracy communication. The range features a general purpose, high pressure and subsea variant.

Providing a half-duplex digital RS-485 output signal and 0-5V analog output, the range provides high stability, repeatability, and a communication distance of up to 1,200m. With proprietary RS-485 protocol, each unit can operate up to 32 devices on the same BUS, reducing the need for expensive cabling. The range also benefits from excellent noise immunity, making it perfect for use in Programmable Logic Controllers (PLC) and industrial environments.

The use of Silicon-on-Sapphire sensor technology also provides outstanding performance and gives excellent stability over a wide temperature range.

Applications for ESIs RS-485 series include;

  • AUV/ROVs
  • Hydraulic systems monitoring
  • Oil, Gas and other Process liquids
  • Industrial environments
  • Medical and Laboratory testing
  • Aerospace
  • Refrigeration, pneumatic, compressor, HVAC and engine monitoring systems.

For more information on ESIs expansive product range please visit our website www.esi-tec.com or contact our office; call 01978 262 255 or email [email protected]

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ABOUT THE AUTHOR

ESI

ESI

ESI Technology Ltd designs and manufactures pressure transducers and transmitters for the aerospace, defence, oil & gas, subsea, medical, automotive, marine, process and general industrial markets. Our customer base extends across the world, exporting 75% of our sales to more than 45 countries.

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