Our Converter App

The ESI Pressure 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.

10 reasons why we LOVE our Digital USB Pressure Transmitter

10 Reasons why we LOVE the GD4200-USB© Digital Pressure Transducer…..


1. Plug-in & Play

Pressure measurement has never been easier! With the ESI-USB© software you can connect your transducer to your laptop or PC and away you go. The software recognises the transducer by its serial number. We keep things running smoothly by sending you free software updates.

2. Portable

Whether you are looking to perform test and calibration, spot checks or local, direct monitoring the GD4200-USB is the convenient solution. With no need for any additional hardware or software you can test and record data on-site.

3. SOS Sensor Technology

The GD4200-USB is manufactured with Silicon-on-Sapphire (SOS) sensor technology. Pressure sensors constructed using SOS exhibit exceptional performance and outstanding stability. The sapphire substrate allows the sensor to operate over a very wide temperature range without loss of performance due to its outstanding insulation properties. The SOS sensor element is then bonded to a titanium diaphragm instead of traditional stainless steel. High overpressures, very low hysteresis and great corrosion resistance are the result.

4. Wide Pressure Range

Available in Nine pressure ranges, carefully selected to enable the user to cover any pressure that the application requires, from vacuum up to 5,000 bar, via the use of the ESI-USB© digitally self-scaling software.

5. High Speed and Accuracy

The GS4200-USB boasts a standard accuracy of 0.15% making it the ideal solution for high accuracy applications. The temperature co-efficiency is excellent, so no matter the temperature*, you can rely on the data that the GS4200-USB provides. The sample rate enables dynamic pressures to be measured with up to 21 bit resolution at user selectable speeds up to 1,000 Hz.

6. Price

We all know how expensive data logging can be. The GD4200-USB transducer is an extremely cost effective solution for monitoring and recording pressure data with no need for costly I/O interface boards.

7. Temperature Monitoring

In addition to measuring and recording pressure the GD4200-USB also charts and collects temperature data for analysis by the user.

8. Free Software with Certificate Generator

Using the ESI-USB© software you can now generate customised test certification with your own test parameters and company logos.

9. Measure 16 Inputs at Once!

Using a USB hub you can connect and collect data from up to 16 USB transducers at any one time. Each transducer is recognised by its’ unique serial number.

10. After-Sales Support

Got a question about your GS4200-USB? Need a bit of technical help? We are on the other end of the phone (or email) ready to help.


Would you like more information? Contact our sales team on +44 (0)1978 262255 or email

[email protected].


*The operating temperature range of the GD4200-USB is as follows; Ambient: -20°C to +85°C, Media: -50°C to +125°C