Description
Product Overview
The Jamar Digital Grip Strength Dynamometer Model 21434 is a compact, aluminum‑cased device designed for accurate hand‑strength assessment. It replaces traditional hydraulic systems with electronic load sensors, delivering a digital readout from 0 to 200 lb (90 kg). The adjustable handle offers five grip positions, fitting both small and large hands, and the scratch‑resistant UV coating protects internal components. Dimensions are 15 × 11.7 × 4.6 in, weighing 4.14 lb, and it operates on two AAA batteries.
![[Product front view showing all components]](https://www.globallife.store/wp-content/uploads/2026/06/8878cd3a736b456abce4289ccbb3e357.jpg)
Usage
Ideal for physical therapy clinics, sports rehabilitation centers, and home exercise programs, this dynamometer quantifies grip strength improvements over time. Therapists can use it to screen patients, track progress, and customize treatment plans. Athletes benefit from objective data to fine‑tune training regimens, while occupational therapists assess hand function for daily‑living tasks.
Why Choose Us
Jamar’s reputation for clinical precision backs this device, offering a moving‑part‑free design that reduces maintenance. The aluminum body ensures longevity, and the digital interface eliminates guesswork. Included are comprehensive manuals, a reusable storage container, and a one‑year warranty, providing confidence and support throughout the product’s life.
Key Features
- Digital readout delivers precise measurements from 0‑200 lb, eliminating manual interpretation.
- Five adjustable grip positions accommodate all hand sizes for versatile testing.
- Aluminum construction with UV coating protects against scratches and wear.
- Battery‑powered, portable design enables use in clinics or at home without cords.
- One‑year warranty and detailed manuals ensure reliable after‑sales support.
FAQ
What is the measurement range?
The device measures grip force from 0 to 200 lb (90 kg), suitable for most rehabilitation and athletic assessments.
Do I need any special calibration?
No. The digital sensors are factory‑calibrated and maintain accuracy without user intervention.
How long do the batteries last?
Two AAA batteries typically provide several weeks of regular use, depending on testing frequency.
Can the device store multiple readings?
The current model displays a single reading at a time; however, users can record values manually for tracking progress.
Is the device suitable for children?
Yes, the adjustable handle and low‑force start make it safe for pediatric assessments under professional supervision.




Primyteion Mechanical Vibration Meter PM633 30Hz-14kHz TFT Display
HarperOne Transgender Studies Kindle Book – 284 Pages X‑Ray Word Wise
Anarchism Kindle eBook by AK Press – 278‑Page Radical Thought Edition
Digital Force Gauge Beslands Portable 500N Handheld with 4 Units
Reviews
There are no reviews yet.