SM5-F Frequency Belt Tension Meter with Flexible Sensor Head


SM5-F Frequency Belt Tension Meter with Flexible Sensor Head

£957.59 Inc VAT
£797.99 Ex VAT

SM5-F Belt Tension Meter with Flexible Sensor Head

The SM5-F is a pocket-sized belt tension meter which measures the static tension of all common toothed, vee, flat and multi-rib belts. Setting the ideal static tension (pretension Fpt) influences the working life, bearing loads, noise levels and positioning accuracy of the belt.


  • Frequency range: from 7Hz to 400Hz Accuracy: +/-5%

  • Supplied with long-life 9V alkaline battery, protective leatherette case and transport case with instructions

  • CE marked

The value of the ideal static tension (pretension Fpt) can be calculated if the peripheral force is known, or empirically where the torque value is unknown. Generally the ideal static tension is that which gives least vibration of the unloaded belt span in operation.

The tension meter is designed to measure static tension of a belt by determining the natural frequency of vibration of the belt under tension.

 Operating instructions

  • On a stationary drive, gently tap the belt between two fixed points using a finger or a small screwdriver

  • Simultaneously hold the flexible sensor head a few millimetres from the belt and press the red button

  • The display will show the frequency of vibration in Hertz (H )

  • To repeat the reading, release the button and repeat the process

  • It is recommended that several readings are taken to obtain an average value in order to eliminate possible errors due to harmonic frequency interference.

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