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RFS100 Compact On-Line Tension Sensor

Made in Germany
RFS100 Compact On-Line Tension Sensor
Click images to enlarge.
Ranges up 10 Kg / 100 N / 22 lbs

The Honigmann RFS® 100 is a single roll tension sensor designed to measure the running line tensions of yarn, wires, optic fibers, cables, tapes and similar process materials. Existing rollers with 20-180 degree wrap angles can be converted for use as RFS100 measurement locations.

The RFS100 features a unique strain-gauge design delivering extremely precise and stable measurements while providing maximum overload protection. RFS sensors are used in a variety of low and high-range applications, such as measuring 1 or 2 grams on fine denier yarns/fibers to measuring wire/cable up to 10 Kg / 100 N / 22 lbs.

High precision mechanical design ensures the calibrated accuracy of the RFS remains unchanged throughout the sensor’s service life. The measurement is not influenced by the force introduction point, i.e. the sensor is not affected by lever arm action or any axial tilt torques which might occur.

Measurement Principle
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 a 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.


  • extremely compact and small design - for 16mm mounting hole
  • overload protection up to 800%
  • no influence of any axial tilt torques or direct axial forces which might appear
  • robust, stainless steel housing
  • existing reversing points can be adapted as measurement points
  • independent of the force introduction point, i.e. the sensor is not affected by lever arm action
  • centrifugal force will take no affect with optimal alignment in rotating purposes
  • thought-through concept of housing for simple mounting

Tension Ranges

ModelCapacity (Resultant Force)Bearing Journal Diameter (mm)
RFS150-2N200 g / 2 N / 0.44 lbs5, 8 or 10 mm
RFS150-3N300 g / 3 N / 0.66 lbs5, 8 or 10 mm
RFS150-4N400 g / 4 N / 0.885, 8 or 10 mm
RFS150-5N500 g / 5 N / 1.1 lbs5, 8 or 10 mm
RFS150-10N1 Kg / 10 N / 2.2 lbs5, 8 or 10 mm
RFS150-20N2 Kg / 20 N / 4.4 lbs5, 8 or 10 mm
RFS150-30N3 Kg / 30 N / 6.6 lbs5, 8 or 10 mm
RFS150-40N4 Kg / 40 N / 8.8 lbs5, 8 or 10 mm
RFS150-50N5 Kg / 50 N / 11 lbs8, 10 or 12 mm
RFS150-60N6 Kg / 60 N / 13 lbs8, 10 or 12 mm
RFS150-100N10 Kg / 100 N / 22 lbs8, 10 or 12 mm

Related Products

RFS 150 Tension Sensor
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On-Line Tension Sensor
- Resolution of 0.1% and better
- Rugged stainless steel housing is environmentally sealed
- Overload protection up to 800%
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On-Line Tension Sensor With Built-In Amplifier
- Integrated measurement amplifier for compact mounting onto the application
- Threaded housing with lock-nuts permits easy mounting and simple alignment
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Strain Gauge Amplifier
- Designed for use with a wide range of strain-gauge-based force, load and tension sensors
- 0-10VDC analog output
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Digital Tension Indicator
- Selectable “damping function” reduces display fluctuations
- 24V DC power supply with galvanic isolation
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Tension Indicator/Amplifier Console
- 1 to 4 measuring channels
- For 24V DC power supply
- Rugged industrial design in steel plate-housing



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