Smedley Type Hand Dynamometer Arm Leg Exercisers Saturation Sound Pressure Level (SSPL) Select Ear:Left Ear Saturation Sound Pressure Level (SSPL) 118dB Frequency Range 200 4200Hz Total Harmonic Wave Distortion ≤10># td### Reference Test Gain 28±5dB Input noise ≤20dB Sound amplification 45±5dB Max Cover is machine washable *Repairable: The flame resistant black neoprene made without latex support pad can be patched to extend use *This cushion is most effective for individuals who may *Have a history of skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) skin grafts and or myocutaneous flap surgery *Currently have skin soft tissue breakdown and or any stage pressure ulcer (including deep tissue injury) *Be at risk for skin soft tissue breakdown and or deep tissue injury *Have normal or impaired sensation *Require accommodation of pelvic asymmetry up to approximately 1in 2 Accurate repeatable and durable * Custom twisted spring can easily withstand accidental dropping without affecting accuracy * 4 centimeters of infinite handle adjustment for the most comfortable fit * Testing range on dual scale is 0 to 220 pounds * Unit comes complete with carrying case and norms (age 5 to adult) *