ERT-300 / 張力計

henrylin424

( E* g) j) x/ p( b2 }: \7 F網球拍線張力測試器ERT 300(開箱)
$ [/ S; `8 E# I  xERT 300 Manual
The right tension for every type of player
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Dynamic 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)
, s  v* \9 J6 ?# s3 v3 ~" oDT determines the playing characteristics power and control.
8 J# T5 N# ~( I+ F3 d* b* LHigher DT for more control / Lower DT for more power
' I; R5 o; R3 L7 ]7 iNot recommended to play tennis when DT below 28
8 G- d1 {/ h" P( N# l) b, `Restring the racquet when the DT-value has decreased by 10% to 20%
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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
6 [' I8 F7 A  V3 DHi+    DT 47-54     Very fast,extremely aggressive play / ATP

& q8 R& U6 {& T/ n8 G4 T! mWithin 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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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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henrylin424

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: v* i& v/ Z( [, R3 uGamma ATS ERT 300 Tenniscomputer
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