Hand strength meter 
(dynamometer)

   The wrist dynamometer is designed to measure the muscle strength of the hand in different age and physical condition groups of people. The dynamometer principle of operation is based on the measurement of elastic deformation of a flat spring. The force spring is made of nickel-coated spring steel.
   Carpal dynamometers are used in medical rooms of kindergartens, secondary and higher educational institutions, clinics, polyclinics, hospitals, dispensaries, sanatoriums and sports centres, as well as in households.
   Wrist dynamometers are operated at a temperature of 25° ± 10°С and relative humidity of 80% at 25°С.
   The wrist dynamometer is manufactured in the version DRP-30 (ДРП-30)
- for children of middle and high school age;
- one division on the scale corresponds to 1 kg of force;
- maximum force - 30 kg.