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

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

BOSS-F Bolt On Load Cell

This product has been discontinued

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.

Product Dimensions

BOSS-F Bolt-On Load Cell Outline Drawing

BOSS-F 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

BOSS-F Wiring

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

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