Emergency/Escape Lighting Requirement Lux? (EN 1838)

EN 1838 minimum emergency lighting values: Escape route axis 1 lx, open area (anti-panic) 0.5 lx, high-risk mission area 15 lx (veya sürekli aydınlığın %10’u). Bu değerler asgari korunan aydınlıktır; süre ve düzgünlük ayrıca sağlanır.

Escape route 1 lx · Open space 0.5 lx · High-risk task 15 lx (EN 1838)
Example calculation: Escape path axis minimum 1 lx; measured 1.2 lx → meets the reference (duration and smoothness must also be verified).

Emergency/Escape Lighting (EN 1838)

Check the EN 1838 minimum emergency lighting reference according to the area type; compare it to the lux you measured.

EN 1838 minimum reference
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Measured
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Notes: EN 1838 minimum values: Escape route axis 1 lx, open area (anti-panic) 0.5 lx, high-risk mission area 15 lx (sürekli aydınlığın en az %10'u). Bunlar asgari korunan değerlerdir; Duration (typically 1 hour), smoothness (escape route ≤ 40:1), and activation time must also be provided. The final design is in accordance with the project and relevant regulations.
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How is it calculated?

  1. Select the area type (escape route / open area / high-risk mission).
  2. (Optional) Enter the brightness level (lux) you are measuring.
  3. Press Evaluate; the minimum reference and compliance criteria will be displayed.

Frequently Asked Questions

How many lux of emergency lighting are needed on the escape route?
According to EN 1838, a minimum clearance of 1 lux (horizontal, at ground level) must be provided along the escape route axis.
How long should emergency lighting be on?
Typically, at least one hour is required; some building types may require up to three hours. The duration is determined according to the relevant regulations and building class.
What is the requirement for proper conduct?
The maximum/minimum illumination ratio in the escape route should not exceed 40:1.

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