Spring Balances

A spring balance (or newton meter) is a type of weighing scale. They are commonly used to measure the force exerted on an object. This force is usually measured in Newtons and is essentially the weight of an object. The weight of an object is a measurement of its mass x gravity (W=mg).

Spring balancers consist of a cylindrical tube with a spring inside. One end (the top) is usually fixed to an adjuster which can be used to calibrate the device. The other end is attached to a hook on which you can hang objects. As objects are added, the spring stretches and the resultant force can be read from the scale.
Many types of spring balancers are available. The more robust models tend to be the cylindrical types however many models are prone to overextension of the spring mechanism. Choosing a model which does not allow the spring to be overstretched will increase its lifespan. Ensure spring balances are calibrated to read 0N when no masses are attached before use.

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Description Price Resolution Weighing Capacity Imperial Metric Calibrated
RS Stock No. 725-1832
BrandRS PRO
£77.37
Each
Units
50 g 1 kg, 10N - Yes RSCAL
RS Stock No. 724-3853
BrandRS PRO
£45.04
Each
Units
50 g 1 kg, 10 N - Yes -
RS Stock No. 725-1810
BrandRS PRO
£60.20
Each
Units
5 g 1 N, 100g - Yes RSCAL
RS Stock No. 724-3841
BrandRS PRO
£27.00
Each
Units
5 g 1 N, 100 g - Yes -
RS Stock No. 724-3847
BrandRS PRO
£45.04
Each
Units
10 g 5 N, 500 g - Yes -
RS Stock No. 725-1804
BrandRS PRO
£77.37
Each
Units
10 g 5 N, 500g - Yes RSCAL
RS Stock No. 725-1826
BrandRS PRO
£77.37
Each
Units
10 g 3 N, 300g - Yes RSCAL
RS Stock No. 724-3850
BrandRS PRO
£45.04
Each
Units
10 g 3 N, 300 g - Yes -