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F256 Axial Compensated Loadcell

Standard Ranges 200, 400, 800N and 1.25, 2.5, 5, 10, 20, 40, 60kN (20kgf to 6tonnef)
  • High accuracy
  • Misalignment error compensation
  • Highly adaptable inert end fixings
  • Standard 1 year warranty
  • Output rationalised to 2mV/V
  • Traceable calibration with certificate included in the standard price
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Geometry: Beam and diaphragm combination. Tension, compression and bi-directional options are available. All standard bi-directional loadcells are calibrated in both modes.

The loadcell’s unique strain system compensates for typical force misalignment in force measurement rigs and industrial weighing systems. Maximum error in axial force component measurement is limited to 0.25% within a 3° angle swept through 360° around the loadcell axis. Its various end fixing options are all inert and easily modified for direct inclusion in mechanical assemblies.

The basic versions are all sealed to IP65 with IP67 available as an option. See Engineering Application Sheet E032 and the ICA6H data-sheet for more information.

We are happy to design variants of this loadcell to meet your specific requirements. Versions can be manufactured for fully compensated operation up to +250°C. Please consult our engineering department.

A special version of the F256 loadcell widely used in Formula 1 racing is the Set-up wheel loadcell.

The loadcell’s unique strain system compensates for typical force misalignment in force measurement rigs and industrial weighing systems. Maximum error in axial force component measurement is limited to 0.25% within a 3° angle swept through 360° around the loadcell axis. Its various end fixing options are all inert and easily modified for direct inclusion in mechanical assemblies.

The basic versions are all sealed to IP65 with IP67 available as an option. See Engineering Application Sheet E032 and the ICA6H data-sheet for more information.

We are happy to design variants of this loadcell to meet your specific requirements. Versions can be manufactured for fully compensated operation up to +250°C. Please consult our engineering department.

A special version of the F256 loadcell widely used in Formula 1 racing is the Set-up wheel loadcell.

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Specification

ParameterValueUnit
Non-linearity - Terminal±0.05% RL
Hysteresis±0.05% RL
Creep - 20 minutes±0.05% AL
Repeatability±0.02% RL
Rated output - Rationalised2.0mV/V
Rationalisation tolerance (applies to single direction calibrations)±0.1% RL
Output symmetry±0.3%AO
Zero load output±4% RL
Temperature effect on rated output per °C±0.005% AL
Temperature effect on zero load output per °C±0.005% RL
Temperature range - Compensated-10 to +50°C
Temperature range - Safe-10 to +80°C
Excitation voltage - Recommended10V
Excitation voltage - Maximum20V
Bridge resistance700Ω
Insulation resistance - Minimum at 50Vdc500MΩ
Inclined load error - concentric at 3°±0.25% RL
Overload - Safe50% RL
Overload - Ultimate100% RL
Sealing - R optionIP65
Sealing - S optionIP67
Weight - Nominal (T version excluding cable)200-800N 0.1kg
1.25-5kN 0.3kg
10-60kN 1.0kg

Order Codes

CodeDescription
F256CFR0KNCompression, flat base, IP65
F256LFR0KNCompression, convex base, IP65
F256TFR0KNTension, stud base, IP65
F256DFR0KNCompression, stud base, IP65
F256UFR0KNBi-directional, stud base, IP65
F256EFR0KNTension, eye base, IP65
F256AFR0KNCompression, female base, IP65
F256GFR0KNTension, female base, IP65
F256JFR0KNBi-directional, female base, IP65
All F256s are rationalised as standard. Change R to an S for IP67. Integral amplifiers are not available with A, G or J options in the standard body height. We can manufacture specials with increased height if integral amplifiers are required.

Structural Stiffness

Range (kN)Stiffness (N/m)
200 (N)7.8 x 106
400 (N)2.3 x 107
800 (N)1.2 x 107
1.251.9 x 107
2.53.9 x 107
57.8 x 107
101.0 x 108
202.0 x 108
404.0 x 108
606.0 x 108

Notes

  • AL = Applied load.
  • RL = Rated load.
  • Temperature coefficients apply over the compensated range.
  • AO=Average of tension and compression outputs for full load.

Connections

For ranges up to 5kN the loadcell is fitted with 2 metres of PVC insulated 4 core screened cable type 7-2-4C. Ranges above 5kN are fitted with 16-2-4C cable.

Excitation + = Red, Excitation – = Blue, Signal + = Yellow, Signal – = Green, Screen = Orange.

Reverse the signal connections to obtain a positive signal in tension mode. The screen is not connected to the loadcell body.

Files

TitleTypeFile
Outline drawing of the product.Outline Download
F256CFR0KN 200N to 5kN (20 to 500kgf)STEP File Download
F256LFR0KN 200N to 5kN (20 to 500kgf)STEP File Download
F256-T/D/U-FR0KN 200N to 5kN (20 to 500kgf)STEP File Download
F256-A/G/J-FR0KN 200N to 5kN (20 to 500kgf)STEP File Download
F256EFR0KN 200N to 5kN (20 to 500kgf)STEP File Download
F256 Loadbutton 200N to 5kN (20 to 500kgf)STEP File Download
F256 Eye attachment 200N to 5kN (20 to 500kgf)STEP File Download
F256 Top plate 200N to 5kN (20 to 500kgf)STEP File Download
F256 Base plate 200N to 5kN (20 to 500kgf)STEP File Download
F256 Locknut 200N to 5kN (20 to 500kgf)STEP File Download
F256 Female attachment 200N to 5kN (20 to 500kgf)STEP File Download
F256CFR0KN 10 to 60kN (1 to 6tonnef)STEP File Download
F256LFR0KN 10 to 60kN (1 to 6tonnef)STEP File Download
F256-T/D/U-FR0KN 10 to 60kN (1 to 6tonnef)STEP File Download
F256-A/G/J-FR0KN 10 to 60kN (1 to 6tonnef)STEP File Download
F256EFR0KN 10 to 60kN (1 to 6tonnef)STEP File Download
F256 Loadbutton 10 to 60kN (1 to 6tonnef)STEP File Download
F256 Eye attachment 10 to 60kN (1 to 6tonnef)STEP File Download
F256 Top plate 10 to 60kN (1 to 6tonnef)STEP File Download
F256 Base plate 10 to 60kN (1 to 6tonnef)STEP File Download
F256 Locknut 10 to 60kN (1 to 6tonnef)STEP File Download
F256 Female attachment 10kN to 60kN (1 to 6tonnef)STEP File Download
Drawing of F256 fittings.Fittings Download
Drawing of a typical size 1 F256 mounting assembly. (20 to 500kgf)Mounting Download
Drawing of a typical size 2 F256 mounting assembly. (1 to 6tonnef)Mounting Download

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