Tuning forks

Tuning forks can be used in a number of medical procedures as a diagnostic tool. Most commonly for hearing tests by Audiologists and ENT specialists.

Technical Overview

A tuning fork is an effective tool clinicians can utilise to test a patient’s hearing. Because hearing uses mechanical components of the ossicles and neural components of the cochlea, hearing loss can be either conductive (a complication with the physical aspect of hearing), or sensorineural (a problem with the neural component of hearing).

A physician can utilise the simple physics of a tuning fork to determine whether hearing loss is conductive or sensorineural using the Weber and Rinne tests. The Weber test involves placing a tuning fork’s base in the centre of a patient’s forehead. If a patient has unilateral conductive hearing loss, the sound from the tuning fork will seem louder in the affected ear. This is because the sound waves travel through bone and bypass the conduction of sound through air.

The Rinne test takes advantage of this as well; instead of the forehead, a tuning fork is held on the mastoid just behind the ear. Once a patient is no longer able to hear it via bone conduction, the clinician then removes the fork from the bone and holds the tuning fork closer to their ear. Because hearing is more sensitive to air conduction, a patient with normal hearing should still be able to hear the tuning fork.

In addition to hearing loss, the tuning fork can be used to evaluate a wide range of other health problems. A clinician can use tuning forks to identify whether a bone is fractured. This is done by simply striking a tuning fork and placing the vibrating fork close to the affected area.

Riester tuning forks 02 web

Tuning forks without clamps

Riester tuning forks 01 web
Tuning forks with clamps
Riester tuning forks 03 web
Tuning forks with base
Riester tuning forks 5140 Set I web
Tuning forks Set I
Riester tuning forks 5141 Set II web
Tuning forks Set II
Riester tuning forks 5142 Set III web
Tuning forks Set III

Benefit to the clinician

  • Aluminium or stainless-steel construction

  • Wide range of frequency options

  • Available in sets with case for storage

  • Easy clean design


Product details

Tuning forks

  Riester tuning forks 01-Dimension

Riester tuning forks 02 -Dimension

Riester tuning forks 03 -Dimension

Frequency From 64 Hz to 4096 Hz.
Operating conditions 10 °C to 40 °C
Relative humidity 30% to 70% (non-condensing)
Air presssure 700hPa to 1060hPa
Storage/ Transport temperature -10 °C to 55 °C
Storage/ Transport relative humidity 85% (non-condensing)


Ordering information

Tuning forks

5160 All Tuning fork C 64, stainless steel
5161 All Tuning fork C 128, stainless steel
5162 All Tuning fork C 128, aluminum
5163 EU Tuning fork C-1 32, stainless steel
5164 All Tuning fork C-1 256, stainless steel
5165 EU Tuning fork C-1 256, aluminum
5166 All Tuning fork C-2 512, stainless steel
5167 All Tuning fork C-2 512, aluminum
5168 All Tuning fork C-3 1024, stainless steel
5169 EU Tuning fork C-3 1024, aluminum
5170 EU Tuning fork C-4 2048, stainless steel
5171 EU Tuning fork C-4 2048, aluminum
5172 EU Tuning fork C-5 4096, stainless steel
5173 EU Tuning fork C-5 4096, stainless steel with base
5174 EU Tuning fork A-1 440, stainless steel with base
5175 All Tuning fork C 128, Rydel-Seiffer, stainless steel, removable clamp with base


5140 EU Tuning fork set I in wooden case
5141 EU Tuning fork set II in plastic case
5142 All Tuning fork set III in plastic case


92879 EU Wooden case for Tuning fork set I
11245 EU Case for Tuning fork set II
11246 EU Case for Tuning fork set III


Related Products

babyphon® Sphygmomanometer

babyphon® palm-style aneroid sphygmomanometer is designed for use in children and babies.


The Riester portfolio of digital thermometers for home use and professional use.

Riester percussion hammers

Allowing accurate and effective testing of muscle stretch reflexes, superficial or cutaneous reflexes with comfort.

Where to buy?

Riester products are available in over 150 countries. Enter your country to find a Riester distribution partner near you.