Special precision photometer B 520 L Special photometer for the measurement of photoluminescent pigments and products according to
| DIN 67 510 Part 1: | Measurement and marking by the manufacturer |
| DIN 67 510 Part 2: | Measurement on the spot |
| DIN 81 230 Part 2: | Low-Location Lighting system (LLL) Photoluminescent system (PL) |
| IMO-Resolution A.752(18): | Guidelines for the evaluation, testing and application of
Low-Location Lighting on passenger ships |
| BS 5266-6: 1999 | Emergency lighting - Photoluminescent systems |
| and further regulations | |
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