{"product_id":"rydel-seiffer-tuning-fork-64hz-128hz-semi-quantitative","title":"Rydel-Seiffer Tuning Fork 64Hz 128Hz Semi-Quantitative Neurological Tuning Fork","description":"\u003ch2\u003eRydel-Seiffer Semi-Quantitative Neurological Tuning Fork (C 64 Hz \/ C 128 Hz)\u003c\/h2\u003e\n\u003cp\u003eAccurately evaluate vibration perception threshold (VPT) and screen for early peripheral neuropathy with our professional-grade \u003cstrong\u003eRydel-Seiffer Semi-Quantitative Tuning Fork\u003c\/strong\u003e. Engineered for neurologists, podiatrists, primary care physicians, and medical students, this 2-in-1 diagnostic instrument features a calibrated \u003cstrong\u003e0–8 optical scale\u003c\/strong\u003e for precise, quantitative vibration assessment.\u003c\/p\u003e\n\u003cp\u003eBoth models feature removable weight dampers, allowing you to easily switch between \u003cstrong\u003eC64 Hz (with dampers attached)\u003c\/strong\u003e for semi-quantitative vibration testing and \u003cstrong\u003eC128 Hz (with dampers removed)\u003c\/strong\u003e for standard neurological exams.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eChoose Your Design: Model A vs. Model B\u003c\/h3\u003e\n\u003cp\u003eSelect the damper adjustment design that best fits your clinical practice:\u003c\/p\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px; margin-bottom: 20px;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color: #f8f9fa; border-bottom: 2px solid #dee2e6;\"\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003eFeature \/ Model\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003e\u003cstrong\u003eModel A: External Thumb Screws\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth style=\"padding: 10px; text-align: left;\"\u003e\u003cstrong\u003eModel B: Internal Set Screws\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #dee2e6;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eScrew Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eExternal Hand Thumb Screws\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eInternal Flush Set Screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #dee2e6;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eFrequency Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eDual C64 Hz \/ C128 Hz\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eDual C64 Hz \/ C128 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #dee2e6;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eDamper Adjustment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eTool-free hand adjustment\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eAdjusts via mini hex key\/screwdriver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #dee2e6;\"\u003e\n\u003ctd style=\"padding: 10px;\"\u003e\u003cstrong\u003eBest For\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eQuick \u0026amp; frequent frequency switching on the go\u003c\/td\u003e\n\u003ctd style=\"padding: 10px;\"\u003eSleek, flush design with zero snagging or accidental loosening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eKey Features \u0026amp; Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-Frequency Versatility (C64 \/ C128 Hz):\u003c\/strong\u003e Serves as a 2-in-1 tool. Keep the visual scale dampers on for 64 Hz vibration perception testing, or remove them to perform standard 128 Hz auditory and neurological checks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantifiable Visual Scale (0–8):\u003c\/strong\u003e The optical triangle scale on the dampers converges as the fork vibrates, enabling exact numerical recording of sensory thresholds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEarly Neuropathy Screening:\u003c\/strong\u003e Essential for early detection of Diabetic Peripheral Neuropathy (DPN), impaired vibration sense (pallesthesia), and sensory loss in lower extremities.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMedical-Grade Aluminum Alloy:\u003c\/strong\u003e Crafted from lightweight, high-strength aluminum alloy, offering maximum corrosion resistance, clear tone resonance, and smooth energy transfer through the weighted base.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Rydel-Seiffer Semi-Quantitative Tuning Fork\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequencies:\u003c\/strong\u003e C64 Hz (with dampers) \/ C128 Hz (without dampers)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduated Scale:\u003c\/strong\u003e 0 to 8 visual converging scale\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Premium Medical-Grade Aluminum Alloy\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Includes:\u003c\/strong\u003e 1x Rydel-Seiffer Tuning Fork, 2x Calibrated Dampers, 1x Protective Carrying Pouch(B: mini hex key)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Pures Music","offers":[{"title":"A Thumb Screws","offer_id":47888580182269,"sku":null,"price":39.9,"currency_code":"USD","in_stock":true},{"title":"B Internal Screws","offer_id":47888580215037,"sku":null,"price":39.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0572\/1781\/0602\/files\/Rydel-Seiffer-TuningFork-1.jpg?v=1784879202","url":"https:\/\/www.puresmusic.com\/sv-se\/products\/rydel-seiffer-tuning-fork-64hz-128hz-semi-quantitative","provider":"Pures Music™","version":"1.0","type":"link"}