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    Fast USB Load Cell Interface | High Speed Strain Gauge | DSCUSB-FQ

    Ultra-Fast Data Capture Direct to Your PC

    At a Glance

    • Simple USB Connection
    • No external power supply required
    • ASCII Protocol
    • High Speed: 4800 Samples/Second max.
    • Free FSU Toolkit Software Included
    • High Stability with 1 part in 8000 noise-free resolution
    • Ultra-Fast Data Analysis – 4800 Samples per Second
    • 13 Bit Resolution for Improved Accuracy
    • Converts a Transducer Signal to a Digital Input Direct to Your PC
    • Easy to Use – Simply Plug & Play
    • Cost Saving – No Need for Additional Amplifiers
    • Works With Any Full-Bridge Strain Gauge Sensor
    • FREE Downloadable Software – Fast Data Capture at 4800Hz


    The DSCUSB-FQ fast USB load cell interface is a fast USB load cell interface ideal for high speed, dynamic applications.  It delivers high-speed readings of 4800 samples per second with a 13-bit noise-free resolution for improved accuracy.

    The DSCUSB-FQ fast USB load cell interface converts a strain gauge transducer inputs into a digital USB Serial output.  It plugs directly into your PC and requires no additional power supplies, as it derives all its power requirements directly from the USB bus.  The unit connects to a strain gauge transducer with a 9-way ‘D’ type socket and connects to a PC via a micro USB socket.  A DIN rail mounting option is also available.

    The DSCUSB-FQ fast USB load cell interface is very compact and housed in a rugged plastic case rated to IP50 making it suitable for all indoor environments.

    PC-based calibration of the DSCUSB-FQ fast strain gauge digitiser is very easy to perform using the FREE downloadable FSU toolkit software.  The logging software allows the capture of up to 30 minutes of data at 4800Hz (4.8kHz).  In addition, the user can switch between engineering units, view a trend chart and export the data to a spreadsheet compatible CSV file.

    For lower speed applications, please see our DSCUSB load cell interface which delivers high-speed readings of 100 readings per second with a high resolution of 1 in 200,000, at a lower cost.

    Technical Specifications

    Strain Gauge Measurement4wire
    Strain Gauge Excitation Voltage5Vdc
    Strain Gauge Drive Capability85 to 5000ohms
    Strain Gauge Sensitivity3mV/V
    Offset Temperature Stability4ppm/˚C
    Gain Temperature Stability5ppm/˚C
    Offset Stability with Time90ppm of FR (1)
    Gain Stability with Time30ppm of FR (2)
    Non Linearity before Linearization25ppm of FR
    Internal Resolution16 MillionCounts/divs
    Resolution @ 4.8kHz readings (noise stable) over 1s8192Counts/divs
    Resolution @ 4.8kHz readings (Noise stable) over 1s13Bits
    Measurement Sample Rate4800Per Second
    Measurement Sample Rate Accuracy±1.1%
    Power Supply Voltage (USB)5Vdc
    Power Supply Current (350 Ohm Bridge)68mA
    Maximum Output Cable Length5metres
    Operating Temperature Range-40 to +85˚C
    Storage Temperature Range-40 to +85˚C
    Maximum Humidity95% RH
    Dimensions – Cased Version70.5 x 51 x 20mm excluding 9-way ‘D’ type socket connector.

    Product Dimensions

    DSCUSB USB Load Cell Interface Dimensions

    DSCUSB-FQ Toolkit Software

    Fast USB Load Cell Interface toolkit software screenshot
    This simply shows a large display and indicates if any error conditions are present by displaying an information box.
    The module serial number, firmware version and last calibration date are also shown.
    If the module has been allocated engineering units these will be displayed in the lower right of the LCD display.
    Fast USB Load Cell Interface toolkit software calibration screenshot
    This page allows you to calibrate the module using various methods, perform system zero and set calibrated
    engineering units.
    Fast USB Load Cell Interface toolkit software capture graph screenshot
    This page helps you to see what is happening in real-time to the input of the module. All the other pages offer you
    the options of Capture All to capture and review everything recorded so far. This page allows you to capture shorter
    durations and to see the state of the input for those times when you can identify when to capture the input data.

    Published Sensor Application Articles

    Below is a published sensor application paper that shows you how the DSCUSB-FQ fast USB load cell interface could be used in a specific application.  See our published sensor application articles page for many more.

    An experimental investigation of tsunami forces on coastal structures

    Lloyd, TO; (2016) An experimental investigation of tsunami forces on coastal structures. Doctoral thesis, UCL (University College London). Available as open access.


    Other Downloads

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    *Please note: The prices shown are valid in the UK only and do not include carriage charges. For overseas pricing please contact a member of our sales team or your local distributor.

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