uni® I Otoscope, uni® II May-Ophthalmoscope, uni® III Otoscope/May-Ophthalmoscope
Please note: Some products have been discontinued and may now be available under different item numbers. For further assistance, please feel free to contact us.
The uni® I Otoscope, uni® II May-Ophthalmoscope and uni® III Otoscope/May-Ophthalmoscope: These instruments are durable and user-friendly.
Riester instruments
Instruments from Riester for ears, eyes, nose and throat offer numerous diagnostic possibilities with a high degree of comfort in use. Riester instruments for ENT and ophthalmology unite good diagnostic characteristics with reliable quality and the most modern illumination technologies in all models.

Features and benefits
uni® I Otoscope
- Removable magnifying lens with 4-fold magnification can be swivelled to both sides
- Removable cover glass for insertion of external instruments
- Suitable for nasal examinations when using the 9 mm speculum
- Sealed system for performing pneumatic otoscopy
- Including ear specula with stainless steel fitting, 2, 3, and 4 mm
- Available with XL 2.5 V xenon lamp
Features and benefits
uni® II May-Ophthalmoscope
- Available with 2.5 V Xenon lamp
- Durable and sturdy ABS plastic head for long service life
- Plug-in connector for fast and secure attachment to handle
- Focusing wheel with corrective lenses from 0 to +20 or 0 to -20 dioptres
- Aperture with large circle for examination for the fundus of the eye
- The corrective lenses from +20 to -20 dioptres guarantee a focus-sed image even in case of strong refractive anomalies.


Features and benefits
uni® III Otoscope and May-Ophthalmoscope
All models are fitted with battery handle type C for two batteries type C, and with rheostat for regulating the light intensity.
Product details
| uni® I, II, III |
|---|
| Dimensions |
uni® I Otoscope
|
| The lamp for uni® I, II, III | Xenon 2.5 V, 700 mA, mean life span 15 h |
| Power supply | Optional 230 V or 120 V version |
| Ambient temperature | 0 °C to 40 °C |
| Relative humidity | 30% to 70% non-condensing |
| Storage/ Transport temperature | -10 °C to 55 °C |
| Storage/ Transport relative humidity | 10% to 95% relative humidity |
| Air pressure | 800 hPa - 1100 hPa |
Ordering information
uni® I, II, III
| ART. NO. | REGION | DESCRIPTION |
|---|---|---|
| 2010-201 | All except US | uni® I otoscope, XL 2.5 V, C-handle |
| 2020 | All | uni® II May-ophthalmoscope, XL 2.5 V, C-handle |
| 2030-201 | All except US | uni® III otoscope/May-ophthalmoscope, XL 2.5 V, C-handle |
uni® I, II, III Head
| ART. NO. | REGION | DESCRIPTION |
|---|---|---|
| 10419 | All except US | uni® I otoscope head, XL 2.5 V, pin contact |
| 10423 | All | uni® II May-ophthalmoscope head, XL 2.5 V, pin contact |
Spare parts and accessories
Accessories
| ART. NO. | REGION | DESCRIPTION |
|---|---|---|
| 10442 | All except US | Bent arm illuminator, XL 2.5 V, pin contact |
| 10440 | All | Nasal speculum, chrome plated |
| 10445 | All | Tongue blade holder |
| 10428 | All except US | uni® otoscope case, black |
| 10450 | All except US | econom® case, black |
| 11504 | All except US | Cover glass for otoscope |
| 10448 | All | Swivel lens for otoscope |
| 10960 | All | Bulb for pneumatic test |
| 12421 | All | Pouch, black, big |
| 12429 | All | Pouch, black, small |
Handle
| ART. NO. | REGION | DESCRIPTION |
|---|---|---|
| 10425 | All | C type battery handle, rheostat, chrome plated w/o bore, for 2 batteries type C |
| 10679 | All | Battery handle cover, chrome plated w/o bore |
| 11682 | All except US | Battery handle cover, chrome plated with bore |
| 10426 | All | Upper handle part with rheostat, chrome plated |
Specula
| ART. NO. | REGION | DESCRIPTION |
|---|---|---|
| 10460 | All | Reusable ear specula Ø 2.0 mm, 1 pc. |
| 10461 | All | Reusable ear specula Ø 3.0 mm, 1 pc. |
| 10462 | All | Reusable ear specula Ø 4.0 mm, 1 pc. |
| 10463 | All | Reusable ear specula Ø 5.0 mm, 1 pc. |
| 10464 | All | Reusable nasal specula Ø 9.0 mm, 1 pc. |
Lamp
| ART. NO. | REGION | DESCRIPTION |
|---|---|---|
| 10590 | All | XL 2.5 V bulbs for uni® otoscope, pack of 6 pcs. |
| 10424 | All | XL2.5 V bulbs for uni® May-ophthalmoscope, pack of 6 pcs. |
Battery
| ART. NO. | REGION | DESCRIPTION |
|---|---|---|
| 10686 | All except US | Alkaline battery type C 1.5 V, pack of 2 pcs. |
| 10681 | All | ri-accu® rechargeable NIMH battery type C 2.5 V for C type battery handles |
| 10682 | All except US | ri-accu® rechargeable NIMH battery type C 3.5 V for C type battery handles |
Downloads
Where to buy?
Riester products are available in over 150 countries. Enter your country to easily find an authorized Riester distributor near you.

