|  | Radial force measuring axle RFS® 100
On-line tension measurement up to 100 N resulting force | |
 | | | • designed as a single-roller system -
uses an existing reversing point for tension measurement
• very small size
• robust and easy to adapt
• independent of the force introduction point / lever arm
• available in 11 rated load ranges:
0 to 2N ... 0 to 5N LR - Low Range
0 to 10N ... 0 to 60N SR - Standard Range
0 to 100N HR - High Range |
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| Description | |
RFS® stands for enduring online precision. The specified and calibrated accuracy remains unchanged throughout the unit’s service life and, across wide ranges, is independent of
• the force introduction point, i.e. the sensor is not affected by lever arm action
• any axial tilt torques which might appear
• direct axial forces
The functional principle makes for superb sensitivity while at the same time offering enormous performance capabilities. The force acting radially at the bearing journal, along the measurement vector, causes a microscopically small, elastic deformation of the complex load cell. This deformation is registered at an exactly pre-determined position by way of strain gauges and is then evaluated electronically.
The high mechanical stiffness of the load cell enables measurement with virtually no excursion.
This tension measurement principle is based on the evaluation of the force applied radially and transferred to the sensor by way of the bearing journal. This force is determined by the reversing geometry and the line tension. |
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| Special features | |
• extremely compact and small design - for 16mm mounting hole
• existing reversing points can be adapted as measurement points
• overload protection up to 800%
• independent of the force introduction point, i.e. the sensor is not affected by lever arm action
• no influence of any axial tilt torques or direct axial forces which might appear
• centrifugal force will take no affect with optimal alignment in rotating purposes
• robust, stainless steel housing
• thought-through concept of housing for simple mounting
• suitable to design small measuring rollers
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| Force ranges and bearing journals | |
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Nominal force [N] |
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Bearing journal Ø [mm] |
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2* |
3* |
4* |
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5 |
8 |
10 |
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5* |
10 |
20 |
30 |
40 |
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5 |
8 |
10 |
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50 |
60 |
100** |
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8 |
10 |
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The measuring range of the sensor begins at force’s zero point.
Bearing journals and nominal forces differing from the list are available.
* Special type LR (Low Range)
** Special type HR (High Range)
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| PreView | |
| Options | |
InfoZoom | | Vacuum design
• in vacuum / high-vacuum |
| | |
| Connection types | |
| Measuring amplifiers | |
to product page | | TS 621
• for strain gauge sensors
• optional outputs
• 24V DC power supply
• galvanic isolation
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| | 
to product page | | TS 503
• for strain gauge sensors
• low cost
• only 12,5mm wide
• 24V DC power supply
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| 
to product page | | TSA 723
• for strain gauge sensors
• compact design
• plugged connections
• 24V DC power supply |
| | 
to product page | | MU 481-19" DigaLog
• for strain gauge sensors
• 1-channel meas. amplifier
• digital / analog displays
• rugged desktop housing
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|
| Recommended periphery | |
to product page | | DPM 502
• LED-display, 3½-digit
• freely scalable
• front-side operation
• 24V DC power supply |
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| Accessories | |
InfoZoom | | Ceramic pin with holder
• for bearing journal dia.8mm |
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InfoZoom | | Bearing journal adapter
• customer-specific
• short-term delivery
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| Installation accessories | |
to product page | | Sensor cable strain gauge
female/male
• gold-plated contacts
• cable length custom-specific |
| | 
to product page | | Sensor cable strain gauge
female/open ends
• gold-plated contacts
• cable length custom-specific |
| 
to product page | | Connection terminal 1/1
• aluminium diecast housing
• Skintop cable gland
• gold-plated contacts
• 1 sensor / 1 amplifier |
| | 
to product page | | Connection terminal 2/1
• aluminium diecast housing
• Skintop cable gland
• gold-plated contacts
• 2 sensors / 1 amplifier |
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