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RFS60 On-Line Tension Sensor

Made in Germany
RFS60
Click images to enlarge.
0-100g ... 0-500 grams (0-1N ... 0-5N) = Low Range (LR)
0-1000g ... 0-50 Kg (0-10N ... 0-500N) = Standard Range (SR)

The Honigmann RFS® 60 is a single roll tension sensor designed to measure the running line tensions of yarn, wires, optic fibers, cables, tapes, bands, wraps, webs, foils and similar process materials. Existing rollers with 20-180 degree wrap angles can be converted for use as RFS measurement locations.

The RFS 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 50Kg / 5000 N / 110 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.

Features

  • ultra compact and small design: for 16mm mounting hole, total length incl. angled connector only 54mm (bearing journal dia. 5mm)
  • 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

Tension Ranges

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

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RFS100 Compact On-Line Tension Sensor
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Compact On-Line Tension Sensor
- extremely compact and small design - for 16mm mounting hole
- overload protection up to 800%
- robust, stainless steel housing

Tension & Force Definitions


Specifications

Measuring PrincipleStrain Gauge
Accuracy±0.5% Full Scale or better
Sensor Excitation10 VDC (12 VDC, max.)
Sensor Output1.5 mV/V
Input Resistance350 Ohms
Output Resistance350 Ohms
Overload Protection400 - 800%
Deflection0.07mm (max.)
Housing MaterialStainless Steel
Environmental ProtectionIP50 (Splash-Proof)
Cable Type4.5 mm diameter shielded cable with bare leads
Cable Length3 meter / 10ft standard, longer lengths available, inquire
Operating Temperature15 to 155° F (-10 to 70° C)
Fequency Responce5 msec (200 Hz)
Resultant Force[Line Tension] x sine α [wrap angle]
Mass400g (approximate)

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