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RFS150-XY Radial force sensor with 2 measuring axis

RFS150-XY Radial force sensor
Click images to enlarge.
Available in 14 rated load ranges:
0 - 5N to 0 - 1000N

The dual-axis radial force sensor offers two measuring axis, vertically to each other. Force introduction occurs radially at the bearing journal. Any acting force can be splitted vectorially into X- and Y-components.

Fields of application:
- for research and industry
- acquisition of axle loads, bearing reactions and unbalances
- XY-force measurement on shafts and axles force measurement on pivot joints and crankshafts
- recording of polar force diagrams

The high mechanical stiffness of the load cell enables measurement with virtually no excursion.

The specified and calibrated accuracy remains unchanged throughout the unit’s service life and, across wide ranges, is independent of direct axial forces.

Both force signals get conditioned with a 2-channel measuring amplifier solution. Value and direction of the acting force are acquired.

For analysis the data can be stored in the PC, e.g. with the software HCC-Easy.

Its export function enables the user to transfer the data to further software for extended analysis, e.g. generating a XY-diagram.

Example: Polar diagram of the force in a crankshaft, force components against angle of rotation


  • 2 measuring axis, vertically to each other
  • independent of the force introduction point, i.e. the sensor is not affected by lever arm action
  • thought-through concept of housing for simple mounting
  • high overload protection
  • no influence of any axial tilt torques or direct axial forces which might appear
  • robust, stainless steel housing
  • Bearing Journal Diameter of 5 mm, 8 mm, 10 mm or 12 mm (refer to technical data sheet)

Tension Ranges

ModelCapacity (Resultant Force) X & Y-AxisBearing Journal Diameter (mm)
RFS150XY-5N500 g / 5 N / 1.1 lbs5, 8 or 10 mm
RFS150XY-10N1 Kg / 10 N / 2.2 lbs5, 8 or 10 mm
RFS150XY-20N2 Kg / 20 N / 4.4 lbs5, 8 or 10 mm
RFS150XY-30N3 Kg / 30 N / 6.6 lbs5, 8 or 10 mm
RFS150XY-40N4 Kg / 40 N / 8.8 lbs8, 10 or 12 mm
RFS150XY-50N5 Kg / 50 N / 11 lbs8, 10 or 12 mm
RFS150XY-60N6 Kg / 60 N / 13 lbs8, 10 or 12 mm
RFS150XY-100N10 Kg / 100 N / 22 lbs8, 10 or 12 mm
RFS150XY-200N20 Kg / 200 N / 44 lbs8, 10 or 12 mm
RFS150XY-300N30 Kg / 300 N / 66 lbs8, 10 or 12 mm
RFS150XY-400N40 Kg / 400 N / 88 lbs8, 10 or 12 mm
RFS150XY-500N50 Kg / 500 N / 110 lb10 or 12 mm
RFS150XY-600N60 Kg / 600 N / 130 lbs10 or 12 mm
RFS150XY-1000N100 Kg / 1000 N / 220 lbs10 or 12 mm

Related Products

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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

Tension & Force Definitions



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)
Weight400g (approximate)
Resultant Force[Line Tension] x sine α [wrap angle]

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