설명
ALF245 Miniature Force Sensor
Key features
- Axial compensated loadcell
- Measurement range: 100N, 200N, 400N, 800N
- Tension, compression and bi-directional
- Non-lin./hysteresis: 0.1/0.1% RL
- Dimensions (mm): Ø30 x 32
- High accuracy
- Misalignment error compensation
- Low deflection at full load
About the ALF245 Miniature Force Sensor
The ALF245 is ideally suited to low range engineering force measurements and process weighing. When precision and easy installation are required various configurations allow the loadcell to be used in both tensile and compressive applications.
We are happy to design variants of this loadcell to meet your specific requirements. Versions can be manufactured for higher temperature operation. Please consult our engineering department.
Geometry: Flexure strain assembly in cylindrical housing, open or weather sealed with end internal fixing. For universal use in tension and compression, with compensation for off axis load inputs.
Additional Features ALF245 Miniature Force Sensor
- Compact axial geometry
- Standard 2 year warranty
- Traceable calibration with certificate
- Included in the standard price
Standard ranges up to 200N have an aluminium body and stainless steel case. Ranges above 200N have stainless steel bodies and cases.
Notes
1. AL = Applied load. 3. Temperature coefficients apply over the compensated range.
2. RL = Rated load.
Connections
The loadcell is fitted with 2 metres of PVC insulated 4 core screened cable type 7-2-4C.
Excitation + = Red Signal + = Yellow Screen = Orange
Excitation – = Blue Signal – = Green
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 | 350 Ω |
| Creep – 20 minutes | ±0.1% AL |
| Excitation voltage – maximum | 10V |
| Excitation voltage – recommended | 10V |
| Hysteresis | ±0.1% RL |
| Insulation resistance – minimum at 50vdc | 500 MΩ |
| Load direction | Tension, compression, bi-directional |
| Measurement range | 100N, 200N, 400N, 800N |
| Non-linearity – terminal | ±0.1% RL |
| Overload – safe | 20% RL |
| Overload – ultimate | 100% RL |
| Rated output – nominal | 2.2mV/V |
| Rated output – rationalised (applies to single direction calibrations) | 2.0mV/V |
| Rationalisation tolerance | ±0.1% RL |
| Repeatability | ±0.02% 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 |
| Weight – nominal (excluding cable) | 40 to 50g |
| Zero load output | ±4% RL |
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