Models associated with the 03100-U lamp reference
The following Welch Allyn model references appear in existing catalog and lamp-reference documentation. Check the specific instrument head and installed bulb because revisions can differ; a 3.5 V handle alone does not establish which lamp fits.
- Welch Allyn 20000
- Welch Allyn 20200
- Welch Allyn 20202
- Welch Allyn 21700
- Welch Allyn 25000
- Welch Allyn 25020
- Welch Allyn 25200
- Welch Allyn 26538
- Welch Allyn 27000
- Welch Allyn 27050
- Welch Allyn 28100
- Welch Allyn 41100
- Welch Allyn 43300
- Welch Allyn 73500
Model 73500 is a handle adapter reference, not a standalone bulb location. Verify the attached instrument head's lamp requirement.
Manufacturer equipment references
The linked Welch Allyn documentation identifies instruments that use the original 03100-U lamp. Confirm that exact lamp requirement and the instrument revision before choosing this aftermarket replacement; these references are not an OEM endorsement of the replacement.
Additional or more specific manufacturer references:
- Welch Allyn Otoscopes 20260, 25020 and 21760
- Welch Allyn Illuminators/transilluminators 26535, 27050 and 41100
- Welch Allyn 3.5 V handle-adapter references 73500 and 26038
- Welch Allyn Legacy otoscopes 20000, 20262, 25000, 25200 and 21800
Welch Allyn 2016 Animal Health catalog, page 26. Historical models remain subject to their service instructions.
