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    Bolt-On Load Cell | Bolt-On Strain Sensor | BOSS-F

    Robust, Accurate and Ideal for Retro-Fitting onto Existing Support

    At a Glance

    • Capacity: 2500 to 10,000psi
    • Output: 1mV/V
    • Environmental Protection: IP65
    • Safe Overload: 200%/rated capacity
    • 2x Mounting Blocks Provided
    • Reduces Measurement Errors – No side build-up or air pocket measuring issues.
    • Simple to Setup – Attach directly to existing support.
    • Fast Installation – We offer a full on-site commissioning and calibration service


    The BOSS-F bolt-on strain sensor/bolt-on load cell is designed to be attached directly to the existing support structure of a silo, hopper, bin or other vessel, enabling the contents to be weighed, negating the need for complicated works to retro-fit load cell assemblies underneath the legs or subframe.

    A bolt-on load cell / strain sensor measures changes in the stress levels of vessel supports, eliminating the problems associated with side buildup and air pockets.

    Bolt-on load cells are an extremely cost effective alternative to conventional ‘in-vessel’ level sensing technology.  We offer a full on-site commissioning and calibration service to get your bolt-on measuring system up and running promptly after installation.

    Installation Data

    Note: Due to the availability of on-site support our bolt-on load cells are only available for sale if the installation site is within the UK.

    Technical Specifications

    Rated Capacity (RC)psi2500 to 10,000
    Output at Rated LoadmV/V @ 10000psi1.0 nominal
    Accuracy±%/Rated Load1-10 (depending on installation)
    Zero Balance/Offset±%/Rated Load5
    Zero Return (30 mins)±%/Rated Load0.04
    Temperature Effect on Zero±%/Rated Load/ ˚C0.005
    Temperature Effect Rated Output±%/Applied Load/ ˚C0.003
    Input ResistanceOhms350 nominal
    Output ResistanceOhms350 nominal
    Insulation ResistanceMegohms>5000 @ 50Vdc
    Excitation VoltageVolts DC or AC10 recommended (2-15 acceptable)
    Operating Temperature Range˚C-30 to +70
    Compensated Temperature Range˚C+15 to +65
    Storage Temperature Range˚C-30 to +70
    Safe Overload% of Rated Load200
    Ultimate Overload% of Rated Load600
    Deflection at Rated Capacitymm<0.5
    IP Rating (Environmental Protection)IP65
    Weightkg0.20 (excluding cable)
    Cable Lengthmetres3
    Cable Type4 core + screen PUR sheath, Ø5 nominal
    ConstructionAlloy Tool Steel

    Product Dimensions

    BOSS-F Bolt-On Load Cell Outline Drawing

    Wiring Details

    Red+ve excitation
    Blue-ve excitation
    Green+ve signal
    Yellow-ve signal
    ScreenTo ground - not connected to load cell body

    Why Applied Measurements?

    • Suppliers of top quality strain gauge sensors and transducers to every corner of industry - UK and worldwide
    • Over 100 years of expert transducer knowledge
    • Our high quality products all come with a 3 year warranty
    BSI Assurance Mark ISO 9001:2015 FS677584
    We Are a Living Wage Employer
    Cyber Essentials Certified