An ELVION replacement lamp for diagnostic instruments that specify the 03100-U Halogen HPX lamp. Match the instrument model and 3.5V requirement before ordering.

The 03100-U reference is listed by the original instrument manufacturer as a 3.5V Halogen HPX replacement lamp. It is associated with selected diagnostic otoscopes, transilluminators, illuminators, and related instrument heads.
| Reference | 03100-U |
| Voltage | 3.5V |
| Lamp technology | Halogen HPX |
| Selection method | Match the device model and specified lamp reference |
Manufacturer documentation lists the 03100-U lamp for selected models including otoscopes 20000, 20200, 20202, 21700, 25000, 25020; transilluminators 26530, 26538, 27000, 27050, 41100, 43300; tongue blade holder 28100; and handle adapter 73500.
Disconnect the instrument from power and allow the old lamp to cool before handling it. Follow the instructions supplied with the instrument. If the reference or voltage is unclear, contact ELVION before ordering.
ELVION is an independent supplier of compatible replacement lamps. Welch Allyn®, Hillrom®, and Baxter® are trademarks of their respective owners. ELVION is not affiliated with or endorsed by those companies. References are used only to identify compatibility.
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