Introduction
This manual provides comprehensive instructions for the Jamar Plus+ Digital Hand Dynamometer, an electronic evaluation tool designed for accurate measurement of isometric grip force and hand strength. It is suitable for use in rehabilitation, physical therapy, and general strength assessment programs.
Product Overview
Image: The Jamar Plus+ Digital Hand Dynamometer, featuring a digital display, control buttons, an adjustable handle, and a wrist strap.
Key Features:
- Digital measurement of isometric grip force for rehabilitation and physical therapy.
- Utilizes electronic load sensors for superior accuracy in hand and finger strength assessment.
- Digital readout measures from 0-200 lbs or 0-90 kgs.
- Adjustable handle with five grip positions (1.375" to 3.375") to accommodate various hand sizes.
- Durable aluminum body with scratch-resistant UV coating protects internal components.
Setup
Unpacking
- Carefully remove the Jamar Plus+ Digital Hand Dynamometer from its packaging.
- Verify that all components are present, including the dynamometer unit and the reusable storage container.
Battery Installation
The Jamar Plus+ Digital Hand Dynamometer requires two AAA batteries (not included). To install:
- Locate the battery compartment on the back of the device.
- Open the battery compartment cover.
- Insert two AAA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Securely close the battery compartment cover.
Handle Adjustment
The handle can be adjusted to five different grip positions to suit various hand sizes and testing requirements. The positions range from 1.375 inches to 3.375 inches.
- To adjust, gently pull the movable handle outward from the main body.
- Slide the handle to the desired position.
- Release the handle to allow it to lock securely into the chosen position.
Operating Instructions
Power On/Off
- To power on the device, press the ON/OFF button.
- To power off the device, press and hold the ON/OFF button until the display turns off.
Performing a Grip Strength Test
- Ensure the device is powered on and the digital display is clear.
- Adjust the handle to the appropriate grip position for the individual being tested.
- Instruct the user to hold the dynamometer comfortably and squeeze the handle with maximum effort.
- Press the TEST button to initiate a measurement.
- The peak grip force will be displayed on the screen in your selected unit (lbs or kgs).
- The device can store multiple trials and calculate averages and standard deviations automatically. Refer to the full instruction manual for detailed guidance on using the SELECT TEST and NUM TRIALS functions.
Resetting Measurements
To clear all previous measurements and prepare for a new test series, press the RESET button.
Maintenance
Cleaning
- Wipe the exterior of the dynamometer with a soft, slightly damp cloth.
- Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the finish or electronic components.
- Avoid immersing the device in water or any other liquid.
Storage
- Store the dynamometer in its original reusable storage container when not in use.
- Keep the device in a dry, cool environment, away from direct sunlight and extreme temperatures.
- If the device will not be used for an extended period, remove the AAA batteries to prevent potential leakage and damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Dead or incorrectly installed batteries. | Replace the two AAA batteries, ensuring correct polarity. |
| Inaccurate or inconsistent readings. | Device not properly reset before testing, or handle not securely locked. | Press the RESET button before each new test series. Ensure the adjustable handle is firmly locked into one of the five positions. |
| Display is dim or flickering. | Low battery power. | Replace the AAA batteries. |
Specifications
| Parameter | Value |
|---|---|
| Model Number | FAB12-0604 |
| Measurement Range | 0-200 lbs (0-90 kgs) |
| Grip Positions | 5 (1.375" to 3.375") |
| Power Source | 2 x AAA Batteries |
| Construction Material | Aluminum body with UV coating |
| Product Dimensions | 12 x 8 x 6 inches |
| Weight | Approximately 0.01 ounces |
| Manufacturer | Fabrication Enterprises |
Warranty Information
The Jamar Plus+ Digital Hand Dynamometer is covered by a one-year limited warranty provided by Fabrication Enterprises. This warranty typically covers defects in materials and workmanship under normal use.
To make a warranty claim, please retain your original proof of purchase and contact Fabrication Enterprises customer support. Specific terms, conditions, and exclusions may apply; refer to the warranty card included with your product for complete details.
Support
For technical assistance, troubleshooting guidance, or inquiries regarding your product's warranty, please contact the manufacturer:
- Manufacturer: Fabrication Enterprises
- Contact information (phone, email, or website) can typically be found on the product packaging or by visiting the official Fabrication Enterprises website.
Always refer to the official manufacturer's resources for the most up-to-date support information.
