Our Unit Converter

The ESI Unit converter allows you to quickly and easily access a conversion tool to work out your preferred unit of pressure measurement wherever you may be. Whether out on-site or in the office.

ESI logo in white

Download the ESI-USB© Software

The ESI-USB© software allows you to connect your ESI transducer to your laptop or PC and be up and running monitoring pressure data within ten minutes. The software auto-updates and is compatible with Windows 8, 10 & 11.


General Purpose Pressure Transmitter

  • Suitable for the majority of industrial applications
  • Pressure ranges available from 0-500 mbar to 0-700 bar
  • Gauge or Absolute reference
  • Reliable pressure measurement
  • Long service life
  • Robust yet compact designs


The Genspec GS4000 series of general-purpose pressure transducers are designed for applications where economical price and reliable pressure measurement is required. Incorporating bonded strain gauge technology and utilising unique manufacturing techniques results in a low cost, high quality transducer ideal for O.E.M applications.

Constructed from stainless steel with 17/4 PH stainless steel diaphragm for ranges above 20 bar, and a ceramic diaphragm for lower ranges, the GS4000 series of transmitters are of a robust yet compact design.

Standard pressure ranges:

0 – 1 bar Vac; 0 – 0.5 bar; 0 – 1 bar; 0 – 10 bar; 0 – 25 bar; 0 – 100 bar; 0 – 250 bar; 0 – 700 bar (other ranges available)

Typical applications include:

  • Continuous monitoring
  • Oil, gas, and water applications
  • General industrial environments

Technical Specifications


Model Dimension A (type)
GS4000/GS4100 36
GS4101/2/3 55
GS4001/2/3 64


Electrical Connections

mA Vdc Vdc
Pin no. 2 wire 3 wire 4 wire
1 +supply common -supply
2 4-20 mA signal +supply +supply
3 N/C +output +output
to case to case -output


Get a quote

For more information or to request a quote contact our sales team