1) Measurable parameters:

   - State of tension: frequenc[Hz]

   - Biomechanical properties: Elasticity, Dynamic Stiffness[N/m]

   - Viscoelastic properties: Creep, Relaxation time [ms]

2) Measurement sensor:

   - 3-axis Digital Acceleration Sensor,

   - Measurement range ±8G, Resolution 11 bits,

   - Sensitivity mg 13-bit;

   - Sensitivity range due to temp. ±0.01%

3) Battery:

   - Built-in rechargeable Lithium Polymer Battery

   - 2260mAh, 3.7V, 8.4Wh

   - Replaceable only by manufacturer

   - Recharge time: Max 5 hours

   - Recharge cycles: Min 500 cycles

4) Operational time:

   - Min 8 hours (in case of normal workload)

   - 1 second tap interval