ALF302 Pancake Force Sensor
Low profile axial loadcell for use in force measurements in compression
Key features
- Full load range: 5kN, 10kN, 25kN, 50kN
- Non-lin./hysteresis: 0.3/0.3% RL
- Dimensions (mm): Ø38 x 16
About the ALF302 Pancake Force Sensor
The ALF302 is designed for simple mounting on a smooth flat surface. It has an integral load button and is supplied with three tapped holes and three clearance holes enabling fixing or location from either above or below the loadcell. In the event of structural failure of the loadcell the resulting vertical movement of the supported load will be very small.
We are happy to design variants of this loadcell to meet your specific requirements. Please consult our engineering department.
Geometry: Low profile axial loadcell for use in force measurements in compression.
All standard ranges are manufactured in stainless steel.
When this loadcell is rationalized the resistors are housed in a capsule located in the loadcell cable 100mm from the free end. Capsule dimensions are Ø10mm by 57mm.
Notes
1. AL = Applied load. 3. Temperature coefficients apply over the compensated range.
2. RL = Rated load. 4. The load must be applied directly through the central loading axis.
Connections
The loadcell is fitted with 2 metres of PVC insulated 4 core screened cable type 7-1-4C.
Excitation + = Red Signal + = Yellow Screen = Orange
Excitation - = Blue Signal - = Green
The screen is not connected to the loadcell body.
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Talk to an expertTechnical Specifications
| Specification | Value |
|---|---|
| Bridge resistance | 350 Ω |
| Creep - 20 minutes | ±0.05% AL |
| Excitation voltage - maximum | 10V |
| Excitation voltage - recommended | 10V |
| Hysteresis | ±0.3% RL |
| Insulation resistance - minimum at 50vdc | 500 MΩ |
| Load direction | Compression |
| Measurement range | 5kN, 10kN, 25kN, 50kN |
| Non-linearity - terminal | ±0.5% RL |
| Overload - safe | 50% RL |
| Overload - ultimate | 300% RL |
| Rated output - rationalised | 2.0mV/V |
| Rationalisation tolerance | ±0.5% RL |
| Repeatability | ±0.1% RL |
| Sealing | IP65 |
| 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 |
| Weight - nominal (excluding cable) | 78 to 90g |
| Zero load output | ±4% RL |
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