Medical Tuning Forks

Our company has been manufacturing Tuning Forks for over 150 years in Sheffield, England. The Ragg trade mark guarantees accuracy and best quality workmanship. These specialised products are made from hardened and tempered steel or high quality alloys and tuned to 20⁰c to achieve accurate notes for strong duration.

Gardiner Brown

Chrome Plated Forged Steel. Hardened and tempered for notes of long duration. Integral finger grip for general practice and diagnostic use.

Code	No
87	1210	C0 128 Hz
87	1220	C1 256 Hz
87	1230	C2 512 Hz
87	1240	C3 1024 Hz
87	1250	C4 2048 Hz
87	1260	C5 4096 Hz
87	1290	Set of 6 in case

Rydel - Seiffer

For diabetic and other specialist diagnostic testing. Extended, precise duration. Chrome plated steel. Clamps with optical cards.

Code	No
87	1840	C 64/C0 128 Hz
(with detachable clamps)
87	1841	C 64 Hz
(with fixed clamps)

 

Aluminium Alloy

For general diagnostic use. Available with or without foot (base)

Code	No	Code	No
With foot		Without foot
87	1010	87	1110	C0 128 Hz
87	1020	87	1120	C1 256 Hz
87	1030	87	1130	C2 512 Hz
87	1040	87	1140	C3 1024 Hz
87	1050	87	1150	C4 2048 Hz
87	1060	87	1160	C5 4096 Hz
87	1090	87	1190	Set of 6 in case

 

Hartmann

Heavy duty diagnostic forks manufactured from solid hardened and tempered steel. Extended sound duration.

Code	No
87	1610	C0 128 Hz
87	1620	C1 256 Hz
87	1630	C2 512 Hz
87	1640	C3 1024 Hz
87	1650	C4 2048 Hz
87	1660	C5 4096 Hz
(optional)
87	1670	G4 3072 Hz

Set of 6
Cased set of 6 standard forks with rubber striking block. (G⁴ available instead of C⁵ if required)

Code	No
87	1690

Set of 7
As set of 6 above, but also including C64 Gradenigo

Code	No
87	1695

 

Hartmann Light

Light pattern machined from solid steel. Fully heat treated and chrome plated.

Code	No
87	1710	C0 128 Hz
87	1720	C1 256 Hz
87	1730	C2 512 Hz
87	1740	C3 1024 Hz
87	1750	C4 2048 Hz
87	1760	C5 4096 Hz

 

Gradenigo

With fixed weights. Chrome plated steel. Very long note duration

Code	No
87	1410	C 16 Hz
87	1420	C 32 Hz
87	1430	C 64 Hz
87	1440	C0 128 Hz

Additional patterns, special frequencies and customised items available to order, including bespoke forks and promitional products.