This is inspection machine which simply checks spring load value of analog type durometer. Putting defined
load with 3 pieces of standard weight to the inverted durometer and inspecting whether graduation of 25,
50 and 75 correctly point out. Calibration certificate can be issued. (Digital type durometer and other makes
products can not be calibrated.)
In addition, in the standard of overseas and also domestic, inspection method by using mechanism of even
balance and with normal position of durometer is introduced.