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  2. Sensors
  3. Force sensors
  4. Special automotive force sensors
  5. ALF322 Accelerator Pedal Force Sensor

ALF322 Accelerator Pedal Force Sensor

Compact, low profile loadcell for measuring accelerator pedal application forces


Key features

  • Off center loading compensation
  • Simple cable tie or screw fixing
  • Anti-slip rubber pad
  • Removable loading plate
  • Output rationalized to 1mV/V
  • Lightweight aluminium alloy construction

About the ALF322 Accelerator Pedal Force Sensor

The ALF322 is a compact, low profile loadcell for measuring accelerator pedal application forces. The loadcell is robust in construction with a maximum force range of 250N (25kgf). Its multi-hole fixing allows simple attachment to any shape pedal using screws or cable ties. The low profile design maintains the accelerator pedals ergonomic geometry. Low mass aluminium alloy construction reduces the mass influence upon the accelerator pedal in dynamic testing.

If you require other force ranges the ALF304 or ALF323 may be suitable.

We are happy to design variants of this loadcell to meet your specific requirements.

The standard range is manufactured in aluminium alloy.

Notes
1. AL = Applied load.
2. RL = Rated load.
3. Temperature coefficients apply over the compensated range.

Connections
The ALF322 is fitted with 2 metres of flexible polyurethane jacketed 4 core screened cable.
Excitation + = Red, Excitation - = Blue, Signal + = Yellow, Signal - = Green, Screen = Orange.
The screen is not connected to the loadcell body.
When this loadcell is rationalised the resistors are housed in a capsule located in the loadcell cable 100mm from the free end. Capsule dimensions are Ø10mm by 57mm.

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Have it your way

Not exactly what you’re looking for? We offer standard sensors but can also help you with a tailor-made sensor or a complete measuring solution. Please contact us for advice or budgetary pricing.

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Technical Specifications

Specification Value
Bridge resistance 700 Ω
Creep - 20 minutes ±0.05% AL
Excitation voltage - maximum 20V
Excitation voltage - recommended 10V
Hysteresis ±0.05% RL
Inclined load error - concentric at 3° ±0.25% RL
Insulation resistance - minimum at 50vdc 500 MΩ
Load direction Compression
Measurement range 250N
Non-linearity - terminal ±0.05% RL
Overload - safe 50% RL
Overload - ultimate 200% RL
Rated output - rationalised 1.0mV/V
Rationalisation tolerance ±0.1% RL
Repeatability ±0.02% RL
Sealing IP65
Sideload - safe 100% RL
Structural stiffness 8 x 10^6 N/m
Temperature effect on rated output per °c ±0.005% AL
Temperature effect on zero load output per °c ±0.01% RL
Temperature range - compensated -10 to +50°C
Temperature range - safe -10 to +80°C
Weight - nominal (excluding cable) 80g
Zero load output ±10% RL

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