ERT-300 / 張力計

henrylin424

網球拍線張力測試器ERT 300(開箱)
ERT 300 Manual
. L6 k" V% h# ?0 ~( gThe right tension for every type of player

Dynamic Tension DT ( DT-value) / DT is the string bed stiffness
% N) u/ l- K9 J% u6 dDT is ball power in kilo pond required to depress the string bed 1 cm at the sweet spot(ball impact)
- [0 H3 o: r- ?& W4 e+ v/ z. B+ P# J1 CDT determines the playing characteristics power and control.
  ^2 t0 j" `# O! MHigher 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%

  Q6 U  p7 f! `  i: L0 ^Lo     DT 28-34      Defensive play / Club
Mid    DT 35-41      Dynamic,offensive play / Club,WTA
Hi      DT 42-46      Fast,aggressive play / Club , WTA , ATP
Hi+    DT 47-54     Very fast,extremely aggressive play / ATP
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, F$ @# b0 B/ M3 VWithin the first 2 to 4 hours after stringing, there is often a remarkable tension loss of 2 to 4 DT , called stabilization losses.
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5 h5 e8 e6 ^/ Z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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. h% _5 |& q5 k2 oGamma ATS ERT 300 Tenniscomputer
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