설명
ALF256 Cylindrical Force Sensor
Key features
- Full load range: 200N, 400N, 800N, 1.25kN, 2.5kN, 5kN, 10kN, 20kN, 40kN, 60kN
- Non-lin./hysteresis: 0.05/0.05% RL
- High accuracy
- Misalignment error compensation
- Highly adaptable inert end fixings
- Output rationalised to 2mV/V
About the ALF256 Cylindrical Force Sensor
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. Integral 4 to 20mA or ±10V output amplifiers can be fitted as an option, see the ordering code section.
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.Please consult our engineering department.
Geometry: Beam and diaphragm combination. Tension, compression and bi-directional options are available. All standard bi-directional loadcells are calibrated in both modes.
Connections
For ranges up to 500kg the loadcell is fitted with 2 metres of PVC insulated 4 core screened cable type 7-2- 4C. Ranges above 500kg 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.
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 | Tension, compression, bi-directional |
| Measurement range | 200N, 400N, 800N, 1.25kN, 2.5kN, 5kN, 10kN, 20kN, 40kN, 60kN |
| Non-linearity – terminal | ±0.05% RL |
| Output symmetry | ±0.3%AO |
| Overload – safe | 50% RL |
| Overload – ultimate | 100% RL |
| Rated output – rationalised | 2.0mV/V |
| Rationalisation tolerance (applies to single direction calibrations) | ±0.1% RL |
| Repeatability | ±0.02% RL |
| Sealing – r option | IP65 |
| Sealing – s option | IP67 |
| 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 (t version excluding cable) | 200-800N 0.1kg | 1.25-5kN 0.3kg | 10-60kN 1.0kg |
| Zero load output | ±4% RL |
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