1. Introduction
Thank you for choosing the Handeful HFEH17 Hand Dynamometer. This device is designed to accurately measure and track your grip strength, providing valuable data for fitness assessment, rehabilitation, and personal progress monitoring. Please read this manual thoroughly before using the device to ensure proper operation and to maximize its lifespan.
2. Safety Information
- Do not attempt to disassemble or modify the device. This may void the warranty and cause damage.
- Keep the device away from water and extreme temperatures.
- Use a soft, dry cloth for cleaning. Do not use abrasive cleaners or solvents.
- Store the device in a cool, dry place when not in use.
- Consult a healthcare professional before starting any new exercise or rehabilitation program.
3. Product Overview
The Handeful HFEH17 Hand Dynamometer is an advanced grip strength tester featuring an ergonomic design and enhanced functionality. It is capable of measuring grip strength up to 180 Kgs (397 Lbs).
Key Features:
- High Capacity: Measures up to 180 Kgs / 397 Lbs.
- Backlit LCD Display: Provides clear readings in various lighting conditions with optimized fonts for effortless reading.
- Automatic Storage Function: Stores data for up to 5 user profiles, including gender, age, and unit preferences.
- Unit Conversion: Easily switch between kilograms (Kgs) and pounds (Lbs).
- Ergonomic Design: Improved comfort and ease of use for various hand sizes.
- Durable Construction: Made from plastic with a hard screen for scratch resistance.
Components:
The device consists of a main body with an integrated grip handle, a backlit LCD display, and control buttons.
Figure 3.1: Hand Dynamometer with dimensions. The device measures approximately 19.5 cm in height, 12.9 cm in width, and 3 cm in thickness.
Figure 3.2: Summary of HFEH17 features including 397 Lbs / 180 Kgs capacity, enhanced backlit screen, improved comfort, and ease of use.
4. Setup
4.1. Battery Installation
The device requires batteries for operation. Locate the battery compartment on the back of the dynamometer. Insert the required batteries (typically AAA, refer to the compartment label for exact type and quantity) ensuring correct polarity. Close the battery compartment securely.
4.2. Power On/Off
Press the 'START' button to power on the device. The LCD display will illuminate. The device will automatically power off after a period of inactivity to conserve battery life.
4.3. Setting Up User Profiles
The HFEH17 supports up to 5 user profiles. This allows individual tracking of grip strength over time.
- Press the 'SET' button to enter user profile settings.
- Use the 'UNIT/▲' and '▼' buttons to select a user number (1-5).
- Press 'SET' again to confirm the user number.
- Adjust gender and age using 'UNIT/▲' and '▼', confirming each selection with 'SET'.
- The device will save these settings for the selected user.
Figure 4.1: The automatic storage function allows saving data for up to 5 individual users, each with their own test results.
5. Operating Instructions
5.1. Taking a Grip Strength Measurement
- Ensure the device is powered on and the correct user profile is selected.
- Hold the dynamometer comfortably in your hand, ensuring your fingers wrap around the handle and your palm rests against the base.
- Press the 'START' button to begin a measurement.
- Squeeze the handle with maximum effort for a few seconds. The display will show your peak grip strength.
- The device will automatically record the peak value for the current user.
Figure 5.1: The device allows users to accurately record and compare changes in their grip strength over time.
5.2. Switching Measurement Units
To switch between kilograms (Kgs) and pounds (Lbs), press the 'UNIT/▲' button while the device is displaying a measurement or in standby mode. The unit displayed on the LCD will change accordingly.
Figure 5.2: The upgraded dynamometer can measure grip strength up to 180 Kgs, exceeding previous limits.
5.3. Recalling Previous Measurements
To view past measurements for the currently selected user, press the '▼' button. The device will cycle through stored results, typically showing the last recorded value and potentially other historical data depending on the model's memory capacity.
Figure 5.3: The backlit LCD display ensures clear visibility of measurements in various lighting conditions.
6. Maintenance
6.1. Cleaning
Wipe the device with a soft, slightly damp cloth. Do not use harsh chemicals, abrasive cleaners, or immerse the device in water. Ensure the device is completely dry before storage or next use.
6.2. Storage
Store the dynamometer in a dry environment, away from direct sunlight and extreme temperatures. If the device will not be used for an extended period, it is recommended to remove the batteries to prevent leakage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Dead or incorrectly installed batteries | Replace batteries, ensuring correct polarity. |
| Inaccurate readings | Improper grip technique; device malfunction | Ensure consistent grip. If problem persists, contact support. |
| Display is dim or flickering | Low battery power | Replace batteries. |
| Cannot save user data | User profile not correctly selected or memory full | Ensure a user profile is active. Check if all 5 profiles are in use. |
8. Specifications
- Model: HFEH17
- Brand: Handeful
- Material: Plastic
- Maximum Capacity: 180 Kgs / 397 Lbs
- Measurement Units: Kilograms (Kgs), Pounds (Lbs)
- User Profiles: 5
- Display: Backlit LCD
- Item Weight: Approximately 400 Grams
- Dimensions: Approximately 19.5 cm (Height) x 12.9 cm (Width) x 3 cm (Thickness)
- Tension Level: Extra-Heavy
- UPC/GTIN: 699838178366
9. Warranty and Support
For warranty information or technical support, please refer to the documentation provided at the time of purchase or contact your retailer. Specific warranty terms may vary by region and retailer.