Photometry or illumination (Light) survey
The survey is carried out in the following areas:
- Offices
- Workshops
- Travelling ways
- Waiting places
- Belt drives
- Techniques in mine illumination surveys:
- Separate measurement for direct and diffused light. Maximum reading method.
- Checking illumination reduction over time. Evaluation of discomfort and disability glare.
- Calculation of renectance of mine and mine simulator surfaces. Checking light distribution.
- Calculation of renectance of mine and mine simulator surfaces. Checking light distribution.
Illumination measurements in mines are used for:
- Verifying compliance with mine safety and health.
- lighting regulations or verifying compliance with illumination and luminance specifications in the regulations.
- Evaluation of illumination system design options