Jamar hand dynamometer is a hydraulic device that accurately measures the strength of hands and fingers. This unit allows for several strength readings and can adjust to 5 different positions. The Jamar hand dynamometer is very durable and made to last. It is an invaluable evaluation instrument used for rehabilitation of hand trauma and dysfunction.

Features

1. -  Stainless steel gauge
2. -  Shock proof rubber caps
3. -  Wrist strap for security
4. -  Maximum strength indicator (reset)
5. -  Accurate and reproducible results
6. -  Adjustable handle for 5 grip positions
7. -  Dual scale measures pounds and kilograms
8. -  Comes with instructions and carrying case

Operating the Jamar Hand Dynamometer

1. -  Set the adjustable handle to the correct position
2. -  Rotate the peak-hold needle counter-clockwise to 0
3. -  Squeeze with maximum strength
4. -  Record the reading and reset the peak-hold needle to 0

Jamar Hand Dynamometer Care and Service

Posts

1. Remove the adjustable handle and check for free movement of the posts.
2. Grease the two guides at least once per year

Hydraulics

1. Remove the adjustable handle
2. Push on the bottom post while watching the top post, both should move about 1/8 inch in opposite directions