Inputs

Before readings

Add one row for each relevant space, item, zone, document, or measurement set.

Row 1

Before lux lux Enter a numeric project value in lux at or above 0.

Row 2

Before lux lux Enter a numeric project value in lux at or above 0.

Row 3

Before lux lux Enter a numeric project value in lux at or above 0.

After readings

Add one row for each relevant space, item, zone, document, or measurement set.

Row 1

After lux lux Enter a numeric project value in lux at or above 0.

Row 2

After lux lux Enter a numeric project value in lux at or above 0.

Row 3

After lux lux Enter a numeric project value in lux at or above 0.

Cleaning event Choose the option that best matches the project condition.

Before average lux -- lux

After average lux -- lux

Delta lux -- lux

Improvement -- %

Maintenance insight --

Cleaning event --

Calculation details

Before average lux: -- lux
After average lux: -- lux
Delta lux: -- lux
Improvement: -- %
Maintenance insight: --
Cleaning event: --

Important notes

Use the same grid, instrument, operating condition, and site setup before comparing cleaning effects.

Formula

\(\displaystyle \Delta E = E_{\mathrm{after}} - E_{\mathrm{before}}\)

Compare before and after lux readings from the same grid after a cleaning event.

Cleaning Effect on Lux Comparison is a planning aid. Keep the target source, product data, measurement method, and project assumptions with the result. Confirm compliance, installation, certification, and safety decisions with the responsible professional.

Inputs

Results

Formula

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