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Lafayette Instrument Hand-Held Dynamometer

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Item# Description Pkg reward$ Price Blank
Item #: 01165A
3.1" x 5.11" x 1.6" (8.03 cm x 12.98 cm x 4.1 cm)

Muscle strength can be measured objectively using hand-held dynamometry, a reliable and valid evaluation method. With its high inter- and intra-rater reliability, the Lafayette HHD (formerly known as the Manual Muscle Tester) is the perfect tool for proving medical need or monitoring progress throughout a rehabilitation or strength training program.

Features of Lafayette Instrument Hand-Held Dynamometer

  • Tone to indicate start, stop, or metronome
  • Simple and practical style Hand Held Dynamometer that conveniently fits in the palm of your hand
  • Three (3) stirrups with removable pads made of molded plastic
  • The new algometer attachment allows for kPa measurements
  • Data is automatically stored, and the device memory may hold up to 250 tests
  • Rechargeable lithium-ion batteries power the device
  • Selectable test time from 1 – 10 seconds
  • Tone to indicate start, stop, and entering within a range
  • Microprocessor controlled
  • Built-in stored data browsing capability
  • Easy to read graphical LCD display
  • Automatic shut off after 5 minutes of inactivity
  • Battery indicator on LCD display

What test can be done with Hand Held Dynamometer?

  • End force
  • Peak force
  • Average force
  • Total test time
  • Real-time force
  • Time to reach peak force
  • Average force from peak to end
  • Percentage decrease from peak force to end force

What to buy with Lafayette Hand Dynamometer

How to use Lafayette Manual Muscle Tester?

Function Buttons:

  • Power/Menu/Select Button (1): The round Menu/Select button is located on the bottom middle of the HHD. This is the button used to power on the device. Holding the Menu/Select button for 5 seconds will power off the unit. It is placed for easy access regardless of right or left hand operation. The Menu/Select allows you to enter into the Menu screen and select various options within it.
  • Navigation Buttons (2,3): While on the Test screen the Navigation buttons are used to enlarge the graph and return to the Test screen from the enlarged graph or scroll through tests when in test scrolling mode. While on the Menu screen, the Navigation buttons are used to navigate the various menu screens.
  • Top buttons(4,5): On the main screen, the TOP buttons are used to Send, Clear, and Start tests when applicable. On the menu screen, these buttons are used to return one screen, BACK, or return to the Test screen, TEST. These buttons can be flipped for a specific dexterity by changing the button orientation in the options menu.
Lafayette Instrument Hand-Held Dynamometer

Test Screen:

Lafayette Instrument Hand-Held Dynamometer

  1. Battery Indicator: Indicates the remaining capacity in the charge of the battery.
  2. Force over Time Graph Area: The graph displays the data for the previously conducted test, and automatically populates the chart to maximize the viewing area. The Y-axis label shows the amount of force (in lbs, kg, or N), and the X-axis shows the time in seconds.
  3. Avg Force: Average force exerted over the range.
  4. Total Time: The total time is the total duration of the test in seconds.
  5. Time-Peak: Time to peak is the elapsed time in seconds from the start of the test until the maximum force has been reached.
    Each of these three windows can have any of the following measurements displayed during or after a test is taken:
    • Real-Time Force: This displays the real time force that is measured during the test.
    • Time in Range: Cumulative time within the specified range
    • Time ↑ Range: Cumulative time above the specified range
    • Time ↓ Range: Cumulative time below the specified range
  6. Top Button Function: This area shows the current function for the top button. In the Test screen window, shown above, the clear function clears the current test, and allows the user to take another test.
  7. Wireless Communication Indicator: This character indicates when the wireless is enabled.
  8. Time Display: This time is displayed and can be set manually or synced with a PC in the Options Menu.
  9. Sound Indicator: Indicates whether beeper is on or off for the current test.
  10. Peak Force: The peak force displays the maximum force during the test and displays what units the force is being measured in (lbs, kg, or N).

How to clean Lafayette Manual Muscle Testing System?

  • Hard surfaces can be cleaned with a bleach-free sanitizing wipe.
  • Alcohol wipes may also be used.
  • Cloth or foam surfaces can be cleaned with anti-bacterial soap and water and allowed to air dry.
  • Care must be taken not to allow water to penetrate the enclosure, as damage to the circuit may occur.
  • Disposable sanitary covers are available on the stirrup pad that directly interacts with the patient’s skin. Do not reuse disposable covers.

Lafayette 01165A Hand Held Dynamometer Specifications

Particular Specifications
Size 3.16” x 5.11” x 1.6” (8.03cm x 12.98cm x 4.1cm)
Weight 312 g
Range 0-300 lbs (136.1kg) (1335 N)
Accuracy ± 1 % over full scale or ± 0.2 lbs
Resolution 0.1lbs/0.1kg/0.1N(0-999.9N) / 1N(1000N-1335N)
Battery Life 6 hrs powered on, 30 minutes after low battery condition
Charge Time 80% charge => 45 minutes / Full charge => 2 hrs
Data Storage Capacity 150 tests
Preset Test Length 0.5-10 seconds; in 0.1 second increments

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