ERT-300 / 張力計

henrylin424

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1 a' k1 @: }! g$ R9 F網球拍線張力測試器ERT 300(開箱)
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The right tension for every type of player

, X0 F2 {/ q: tDynamic Tension DT ( DT-value) / DT is the string bed stiffness
DT is ball power in kilo pond required to depress the string bed 1 cm at the sweet spot(ball impact)
DT determines the playing characteristics power and control.
Higher DT for more control / Lower DT for more power
Not recommended to play tennis when DT below 28
Restring the racquet when the DT-value has decreased by 10% to 20%
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Lo     DT 28-34      Defensive play / Club
/ o7 ~: O6 r1 l2 a' sMid    DT 35-41      Dynamic,offensive play / Club,WTA
Hi      DT 42-46      Fast,aggressive play / Club , WTA , ATP
- g& Y5 R: L* v2 Q# J. H( `- UHi+    DT 47-54     Very fast,extremely aggressive play / ATP
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Within the first 2 to 4 hours after stringing, there is often a remarkable tension loss of 2 to 4 DT , called stabilization losses.

在stringforum左方DT database 選擇你的球拍,即可查到相關線種掉磅chart.

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) d2 w% \7 }; c% r+ AGamma ATS ERT 300 Tenniscomputer
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