IKEA TERTIAL Work Lamp — Dark Gray

TERTIAL 203.554.34 uses an adjustable steel arm and head to direct light over reading or desk tasks. IKEA lists a clamp range up to 2 1/4 inches and an E26 bulb requirement, with the bulb sold separately and a maximum bulb power of 13W. It is a useful alternative to a monitor light bar when the task area and screen need different lighting positions. Check the desk edge before choosing a clamp-mounted lamp, including any bevel or obstruction below it. Bulb brightness and color are separate purchase choices, so the lamp alone does not establish the resulting illumination level.

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Explore the documented specifications below, or find photographed shopping options in the collection.

Where it fits

Focused reading or desk tasks on a surface with a suitable clamp edge.

Worth considering

The E26 bulb is a separate purchase and must meet the listed power limit.
The desk edge must accept a clamp within the 2 1/4-inch range.

Our assessment is based on documented specifications and sources. Hands-on testing is not implied.

Know the details

The facts, at a glance.

Model	203.554.34
Mount	Desk clamp up to 2 1/4 inches
Adjustment	Arm and head
Bulb	E26 sold separately
MaximumBulbPower	13W
Product identity	IKEA TERTIAL Work Lamp — Dark Gray
Manufacturer-described format	Clamp-mounted steel task lamp with an adjustable arm and head.