GD4200-USB Hydrogen Compatible Dynamic Digital Pressure Transducer


• USB 2.0 compatible
• Measure & record up to 16 pressure inputs in one test
• Create customized test certificates
• 2m lead & carry case included
• Support for easy integration with applications created by C#, VB, Labview and Excel VBA (api dll library)


The Hydrogen USB Pressure Transducer has been designed to measure, analyze and record pressure directly on your computer without the need for costly I/O interface boards. It allows the user to measure up to 16 pressure inputs simultaneously and easily create customized test certificates.

The suitability of the material for use with Hydrogen is confirmed following compatibility testing based on ISO 11114-2:2017 according to the European Regulations EC 79/2009 and EU 406/2010.

The transducer is powered by the computer’s USB port, data is then presented on the PC via the ESI-USB© configurable Windows Interface software. It has instant connection with auto-detection, and will configure automatically with your desktop, laptop or Windows tablet via USB protocol. The sample rate enables dynamic pressures to be measured with up to 21 bit resolution at user selectable speeds up to 1,000 Hz.

For real-time analysis, data transferred to the PC is achieved without loss of accuracy or bandwidth. This pressure transducer is USB 2.0 compatible, the ESI-USB© interface configuration and analysis software is compatible exclusively with Windows 8, 8.1 and 10. Data can be displayed in graphical or tabular form, with a choice of pressure units and fully adjustable scales. Data can be saved to a file or exported to Excel/PDF.


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Sensor Technology: 

Silicon-on-Sapphire (SoS)

Output Signal:

USB 2.0 compatible

Supply Voltage:

5 VDC via USB bus

Pressure Reference:

Gauge (default); Absolute reference input by user

Standard Pressure Ranges (psi):

-14 to 36 psi; 0 -232 psi; 0 - 1,450 psi; 0 - 5,800 psi; 0-14,500 psi; 0 - 21,755; 0-29,000 psi; 0 - 58,015 psi;
0 - 72,518 psi

Standard Pressure Ranges (bar):

-1 to 2.5 bar; 0 – 16 bar; 0 – 100 bar; 0 – 400 bar; 0 – 1,000 bar; 0 – 1,500 bar; 0 – 2,000 bar; 0 – 4,000 bar,
0 - 5,000 bar

Overpressure Safety:

2x up to 400 bar; 1.5x for 1,000 bar; 1.1x for 1,500 bar; 1.5x for 2,000 bar; 1.25x for 4,000 bar; 1.2x for 5,000 bar;

Accuracy NLHR:

≤ ±0.15 % of span BFSL

Sample Rate:

User selectable to 1,000 samples per second (1,000 Hz)
Resolution: 21 bits for ≤5 Hz; 16 bits for >5 - 1,000 Hz

Operating Ambient Temperature:

-20 °C to +85 °C (-4 °F to +185 °F)

Operating Media Temperature:

-50 °C to +125 °C (-58 °F to +257 °F)

Storage Temperature:

+5 °C to +40 °C (+41 °F to +104°F) Recommended Best Practice




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