Interface SI-USB4 Four-Channel Signal Amplifier

The Interface SI-USB4 Four-Channel PC-Connected Signal Amplifier is an all-in-one data acquisition solution engineered to convert passive millivolt signals from up to four independent strain gauge sensors directly into a PC. Developed for multi-axis structural testing, multi-cell vehicle platform scales, and laboratory R&D test beds, this high-performance instrument eliminates the need for complex external digitization racks, standalone indicators, or expensive analogue-to-digital converter blocks.

Featuring a full plug-and-play USB interface, the SI-USB4 draws its operational power directly from the host computer, supplying a highly stable, integrated internal excitation voltage to power your sensor array.  The SI-USB4 is supplied with Windows compatible software to enable immediate collection, evaluation and recording of data with the ability to export data in csv file format so the data can be accessed in external software packages such as LabVIEW.

Interface SI-USB4 Four-Channel Signal Amplifier

Available Downloads:

  • 16-bit resolution, 5,000 measurements per second
  • Input ranges for mV/V and mA
  • Input ranges can be combined with one another
  • Digitally switchable analogue input filter
  • Full synchronisation of all measuring channels.
  • Adjustment and control signal activation via software

SI-USB4 specs
Specifications of Interface's SI-USB4 signal amplifier

The SI-USB4 measures at:

  • Length 130mm x Width 190mm x Height 60mm
  • Weight 1.2kgs.

Available to work with the SI-USB4, you can add:

  • Adjustment amplifier with simulator
  • Proprietary mV/V calibration, 10 steps to ISO10012
  • Proprietary mV/V calibration, 20 steps to ISO10012.

As a standard, the SI-USB4 comes with:

  • SI-USB4, 4 channel signal amplifier
  • Data logging software, Win7-10 32/64-bit compatible.

Why choose Interface Sensor Products?

Interface is an internationally recognised brand and decades of experience have gone into making Interface manufactured load cells the benchmark for thousands of users around the world.

Interface product reliability is second to none and all our product lines have to match this standard before we would consider recommending them to our customers.

Our customer list is a "Who's Who" of household names ranging from the Aerospace Giants through to the most prestigious Universities. This speaks volumes about our reputation for quality solutions on projects of all sizes around the world.

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