Find HS Code and trade information for GRIPSTRENGTHMETER

Grip Strength Meter

A grip strength meter (also known as a dynamometer) is a medical and fitness device used to measure the maximum isometric strength of the hand and forearm muscles.

Material

Grip strength meters are commonly constructed using a combination of materials:

• Housing: Typically made of durable plastics (ABS, polycarbonate) or metal alloys (aluminum) for robustness and portability.
• Grip Handles: Often feature textured rubber or composite materials to provide a secure and comfortable grip.
• Load Cell/Sensor: The core component responsible for force measurement. These are usually strain gauge-based sensors, often made of steel alloy.
• Display: LCD or digital displays are common, requiring electronic components and potentially a small power source (batteries).
• Mechanical Components: Some analog models utilize springs and levers made of steel.

Purpose

The primary purpose of a grip strength meter is to:

• Assess Baseline Strength: Establish an individual's initial grip strength level.
• Monitor Progress: Track improvements in grip strength over time, particularly during rehabilitation or training.
• Identify Weaknesses: Detect imbalances or deficiencies in hand and forearm strength.
• Evaluate Medical Conditions: Assist in diagnosing and monitoring conditions affecting hand function, such as carpal tunnel syndrome, arthritis, stroke, or nerve damage.
• Functional Capacity Assessment: Determine an individual’s ability to perform daily tasks requiring hand strength.

Function

Grip strength meters operate on the principle of isometric contraction. The user applies maximal force by squeezing the handles of the device, and the meter quantifies the force exerted in kilograms (kg) or pounds (lbs).

• Digital Dynamometers: Utilize a load cell to convert the applied force into an electrical signal, which is then processed and displayed digitally. Many digital models offer features like data storage, averaging of multiple readings, and adjustable grip position settings.
• Analog Dynamometers: Employ a mechanical system, typically a spring, that deflects in proportion to the applied force. A pointer indicates the force level on a calibrated scale.

Usage Scenarios

• Clinical Settings: Physical therapy, occupational therapy, hand surgery, neurology, and sports medicine clinics.
• Rehabilitation: Post-injury or post-surgical recovery, stroke rehabilitation, nerve injury recovery.
• Sports Training: Athletes use grip strength meters to improve performance in activities requiring a strong grip (e.g., weightlifting, rock climbing, gymnastics).
• Ergonomic Assessments: Evaluating workplace tasks to identify potential risk factors for hand and forearm injuries.
• Research: Studies investigating hand muscle function and the effects of interventions.
• Home Use: Individuals may use grip strength meters for personal fitness tracking or to monitor their recovery from minor injuries.

Common Types

• Digital Dynamometers:
  • Handheld Dynamometers: Compact and portable, suitable for a wide range of applications.
  • Rolling Handle Dynamometers: Allow for measurement of grip strength across a wider range of hand sizes and positions.
  • Computerized Dynamometers: Offer advanced data analysis and reporting capabilities.
• Analog Dynamometers:
  • Squeeze Dynamometers: Basic, affordable models commonly used for initial screening.
  • Pinch Dynamometers: Measure the strength of the pinch force between the thumb and fingers.
• Jammer Dynamometers: These are less common now, but used to measure grip strength in a specific position.
• Electronic Grip Strength Testers: These are often more sophisticated digital dynamometers with wireless connectivity and advanced features.

Based on the provided information, the following HS codes may be relevant to “GRIPSTRENGTHMETER”:

• 9024100000: Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics), and parts and accessories thereof: Machines and appliances for testing metals. This code covers machines used to test the mechanical properties of materials, including strength testing, which aligns with the function of a grip strength meter if it tests metal grip strength.

  • 90: Chapter 90 – Instruments and apparatus which measure or check physical quantities, or monitor or control their function; precision, measuring, checking, testing, navigating and control instruments and apparatus; optical instruments and their mountings; photographic, cinematographic, optical and precision equipment; medical instruments and appliances.
  • 24: Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials.
  • 10: Machines and appliances for testing metals.

• 9024800000: Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials (for example, metals, wood, textiles, paper, plastics), and parts and accessories thereof: Other machines and appliances. This code is a broader category for testing machines not specifically for metals. If the grip strength meter tests materials other than metals (e.g., plastics, wood), this code may be applicable.

  • 90: Chapter 90 – Instruments and apparatus which measure or check physical quantities, or monitor or control their function; precision, measuring, checking, testing, navigating and control instruments and apparatus; optical instruments and their mountings; photographic, cinematographic, optical and precision equipment; medical instruments and appliances.
  • 24: Machines and appliances for testing the hardness, strength, compressibility, elasticity or other mechanical properties of materials.
  • 80: Other machines and appliances.

According to the provided reference material, both codes have a base tariff of 0.0%, a surcharge of 25.0%, and a surcharge of 30% after April 2, 2025, resulting in a total tariff of 55.0%.