The 7-point classroom lighting audit lighting designers actually use
A 15-minute walkthrough that catches flicker, glare, and dim whiteboards before students complain of headaches — or before you fail an inspection. Built from 12 years of K-12 and university retrofits.
- Flicker test using only your phone's slow-mo camera
- UGR < 19 glare check from the back row
- Desk lux + uniformity targets per EN 12464-1
- Whiteboard vertical illuminance (where 90% of rooms fail)
- CCT / CRI rules — why 6500K daylight tubes need to go
- Controls checklist: DALI-2, Casambi, daylight harvesting
- Printable scoring sheet (1 page)
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What's inside the 4-page PDF
1. Flicker
Slow-mo camera test, IEEE 1789 targets, why <1% matters for kids' attention spans.
2. UGR Glare
Back-row visual check + the diffuser fix that costs $8/fixture.
3. Desk Lux
9-point grid, 300–500 lx target, why uniformity beats raw brightness.
4. Whiteboard
Separately-switched vertical lighting — the #1 forgotten requirement.
5. CCT & CRI
Why 6500K 'daylight' tubes hurt afternoon focus. Ra ≥ 90, R9 > 50 rules.
6. Controls
DALI-2 vs Casambi, daylight + occupancy sensors, 2–3yr payback math.
Who made this
The XHL lighting design team · Shenzhen
We've designed and manufactured classroom, office, and retail lighting since 2010 — for schools in Germany, the US, Singapore and the UAE. This is the same checklist our designers use during on-site audits, condensed to one page so anyone can run it.
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