String MD - With the ERT 300 Tenniscomputer, you'll know when it's time to restring your racquet. The display shows current stringbed stiffness (dynamic tension), indicating the power and aggressiveness of play
ERT-300 Tenniscomputer, 179,90 €
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ERT300 Tennis String Tester - ERT Technic AG
2 1 3 - ERT 300
ERT300 Tennis String Tester - ERT Technic AG
Electronic Tension Reader - ERT 300 | Tennis Warehouse Australia
String MD - I use an ERT 300 tennis computer to measure the dynamic tension on every string job. The ERT 300 measures the DYNAMIC TENSION DT (string bed stiffness) by electronic