Đồng hồ đo độ cứng cao su Teclock gsd 719k h gsd 719k l gsd 720k h gsd 720k l
This is the model for which peak hold (Maximum value is held)
function is mounted.
This is effective to measure hardness of Elastomer of which
maximum value is unreadable due to relaxation phenomenon.
Minimum read value is o.5 and it is a half of analog type.