설명
F305 Seat Belt Tension Loadcell
Its geometry was created by computer program to generate an optimal design with minimal mass, material usage, stress and deflection. The outer bars can easily be removed allowing fitting to a seat belt while it is anchored at both ends.
The performance figures are typical values and are dependant on belt type. We can carry out a 5 point calibration using a 2 metre sample of customer supplied belt to reduce application errors. The calibration data can be used to reduce non-linearity errors in test results.
We are happy to design variants of this loadcell to meet your specific requirements. Please consult our engineering department.
Its geometry was created by computer program to generate an optimal design with minimal mass, material usage, stress and deflection. The outer bars can easily be removed allowing fitting to a seat belt while it is anchored at both ends.
The performance figures are typical values and are dependant on belt type. We can carry out a 5 point calibration using a 2 metre sample of customer supplied belt to reduce application errors. The calibration data can be used to reduce non-linearity errors in test results.
We are happy to design variants of this loadcell to meet your specific requirements. Please consult our engineering department.
Specification
| Parameter | Value | Unit |
|---|---|---|
| Non-linearity – Terminal | ±3 | % RL |
| Hysteresis | ±1 | % RL |
| Creep – 20 minutes | ±0.05 | % AL |
| Repeatability | ±0.2 | % RL |
| Rated output – Nominal | 1.5 | mV/V |
| Zero load output | ±4 | % RL |
| Temperature effect on rated output per °C | ±0.005 | % AL |
| Temperature effect on zero load output per °C | ±0.007 | % RL |
| Temperature range – Compensated | -10 to +50 | °C |
| Temperature range – Safe | -10 to +80 | °C |
| Excitation voltage – Recommended | 10 | V |
| Excitation voltage – Maximum | 10 | V |
| Bridge resistance | 350 | Ω |
| Insulation resistance – Minimum at 50Vdc | 500 | MΩ |
| Structural stiffness (normal to belt axis) | 1.9 x 107 | N/m |
| Overload – Safe | 30 | % RL |
| Overload – Ultimate | 100 | % RL |
| Weight – Nominal (excluding cable) | 50 | g |
Order Codes
| Code | Description |
|---|---|
| F305TF00H0 | Tension, unrationalised |
Notes
- AL = Applied load.
- RL = Rated load.
- Temperature coefficients apply over the compensated range.
Connections
The loadcell is fitted with 2 metres of miniature PVC insulated 4 core screened cable.
Excitation + = Red, Excitation – = Black, Signal + = White, Signal – = Green, Screen = Orange.
The screen is not connected to the loadcell body.
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