spring balance definition
spring balance means a mechanical weighing instrument in which the weight is determined by the extensions or compression of a spring, such extension or compression being indicated by a pointer on a dial or by a moving graduated scale;
spring balance means a weighing instrument having a capacity of less than 1,000 kg in which weight indications are dependent on the extension of springs and which is so constructed that the load is below the springs and is suspended directly from them;
spring balance means a weighing instrument in which the weight indications are dependent on the extension, compression or bending of one or more springs and the load pan is connected to the spring or springs without the use of levers;